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The table below compares basic information about [[Hardware virtualization|platform virtualization]] hypervisors. == General ==  {| class="wikitable sortable" style="font-size: smaller; text-align: center; width: auto; table-layout: fixed;" |- ! Name ! Creator ! Host CPU ! Guest CPU ! Host OS ! Guest OS ! License |- ! [[86Box]] | Miran Grča | x86, x86-64, ARMv7, AArch64 | x86 (Intel 8086 to Pentium II and compatible) | [[Windows]], [[Linux]] | [[Windows]], [[Linux]], [[DOS]], [[Berkeley Software Distribution|BSD]], [[OS/2]], [[Haiku (operating system)|Haiku]] | {{open source|[[GPL version 3]]}} |- ! [[bhyve]] | [[FreeBSD]] | x86-64 | [[x86]], x86-64 | [[FreeBSD]], [[Illumos]] | [[FreeBSD]], [[FreeNAS]], [[pfSense]], [[OpenBSD]], [[Linux]], [[Windows]], [[Illumos]]<ref name="bhyve1" /> | {{open source|[[BSD licenses|BSD]]}} |- ! [[Bochs]] | Kevin J. Lawton | Any | [[x86]], x86-64 | [[Windows]], [[Linux]], [[FreeBSD]], [[Unix]]/[[X Window System|X11]], {{nowrap|[[Mac OS 9]]}}, [[macOS]], [[BeOS]], [[MorphOS]], [[OS/2]]<ref name="bochs1" /><ref name="bochs2" /> | [[Windows]], [[Linux]], [[DOS]], [[Berkeley Software Distribution|BSD]], [[OS/2]], [[Haiku (operating system)|Haiku]] | {{open source|[[LGPL]]}} |- ! [[Solaris Containers|Containers, or Zones]] | [[Sun Microsystems]] | x86, x86-64, [[SPARC]] (portable: not tied to hardware) | Same as host | [[Solaris (operating system)|Solaris 10, Solaris 11]], [[OpenSolaris]] 2009.06, [[Illumos#Distributions|illumos distributions]] | Solaris (8, 9, 10, 11), [[illumos]], Linux ([[branded zones|BrandZ]]) | {{open source|[[CDDL]]}} |- ! [[Cooperative Linux]] (coLinux) | [[Dan Aloni]], other developers | x86 | Same as host | Windows 2000, XP, 2003, Vista | Linux | {{open source|[[Gpl version 2|GPL version 2]]}} |- ! [[Charon (software)|CHARON]] | [[Stromasys]] | x86, x86-64 | [[PDP-11]], [[VAX]], Alpha, [[HP3000]], Sparc | Windows, Linux | VMS, OpenVMS, Tru64 UNIX, MPE/iX, RSX-11, RT11, RSTS, Solaris, SunOS | {{Proprietary}} |- ! [[Denali (operating system)|Denali]] | [[University of Washington]] | x86 | x86 | Denali | [[Ilwaco (operating system)|Ilwaco]], NetBSD | {{unk|Not distributed}} |- ! [[DOSBox]] | Peter Veenstra, Sjoerd with community | Any | x86 | Linux, Windows, [[classic Mac OS]], macOS, BeOS, FreeBSD, NetBSD, OpenBSD, Solaris, [[QNX]], IRIX, MorphOS, AmigaOS, [[Maemo]], Symbian | Internally emulated MS-DOS shell; [[self-booting disk]]s, unofficially Windows 1.0 to 98 | {{open source|[[GPL]]}} |- ! [[Dosemu|DOSEMU]] | Community project | x86, x86-64 | x86 | Linux | DOS | {{open source|[[Gpl version 2|GPL version 2]]}} |- ! [[FreeBSD Jail]] | [[Poul-Henning Kamp]] / [[FreeBSD]] | Any running [[FreeBSD]] or [[DragonFly BSD]] | Same as host | [[FreeBSD]], [[DragonFly BSD]] | same as host (shared *BSD kernel), plus [[Linux]] [[Application binary interface|ABI]] through [[FreeBSD#OS compatibility layers|compat layer]] | {{open source|[[BSD licenses|BSD]]}} |- ! [[GXemul]] | Anders Gavare | Any | [[ARM architecture|ARM]], [[MIPS architecture|MIPS]], [[Motorola 88000]], PowerPC, [[SuperH]] | Unix-like | [[NetBSD]], [[OpenBSD]], [[Linux]], [[Ultrix]], [[Sprite (operating system)|Sprite]] | {{open source|[[BSD licenses|BSD]]}} |- ! [[Hercules emulator|Hercules]] | Roger Bowler | Any | [[z/Architecture]] | [[Windows]], [[FreeBSD]], [[NetBSD]], [[Linux]], [[macOS]] | [[Linux on IBM Z]], [[z/OS]], [[z/VM]], [[z/VSE]], [[OS/360]], [[DOS/360]], [[DOS/VS]], [[MVS]], [[VM/370]], [[TSS/370]] | {{open source|[[Q Public License|QPL]]}} |- ! [[Hyper-V]] (2008) | [[Microsoft]] | x86-64 with [[Intel VT-x]] or [[AMD-V]] | x86-64, x86 (up to 8 physical CPUs) | [[Windows Server 2008]] ([[Windows Server 2008 R2|R2]]) w/Hyper-V role, Microsoft Hyper-V Server | Supported drivers for [[Windows 2000]], [[Windows 2003]], [[Windows 2008]], [[Windows XP]], [[Windows Vista]], [[FreeBSD]], [[Linux]] ([[SUSE Linux|SUSE]] 10 released, more announced) | {{Proprietary}} |- ! [[Hyper-V]] (2012) | [[Microsoft]] | x86-64 with Intel VT-x or AMD-V, ARMv8<ref>{{cite web |url=https://blogs.windows.com/windowsexperience/2020/02/05/announcing-windows-10-insider-preview-build-19559/ |title=Announcing Windows 10 Insider Preview Build 19559|website=blogs.windows.com |access-date=23 February 2020}}</ref> | x86-64, (up to 64 physical CPUs), ARMv8 | [[Windows 8]], 8.1, 10, and [[Windows Server 2012]] ([[Windows Server 2012 R2|R2]]) w/Hyper-V role, Microsoft Hyper-V Server | Supported drivers for [[Windows NT]], FreeBSD, Linux ([[SUSE Linux|SUSE]] 10, [[Red Hat Enterprise Linux|RHEL]] 6, [[CentOS]] 6) | {{Proprietary}}. Component of various Windows editions. |- ! iCore Virtual Accounts | [[ICore Networks|iCore Software]] | x86 | x86 | Windows XP | Windows XP | {{Proprietary}} |- ! [[Integrity (operating system)|INTEGRITY]] | [[Green Hills Software]] | ARM, x86, PowerPC | Same as host | Linux, [[Windows]] | INTEGRITY native, Linux, [[Android (operating system)|Android]], [[AUTOSAR]], Windows (on some platforms) | {{Proprietary}} |- ! [[HP Integrity Virtual Machines|Integrity Virtual Machines]] | [[Hewlett-Packard]] | [[IA-64]] | IA-64 | [[HP-UX]] | [[HP-UX]], Windows, Linux ([[OpenVMS]] announced) | {{Proprietary}} |- ! [[Java PC|JPC (Virtual Machine)]] | [[University of Oxford]] | Any running the [[Java virtual machine|Java Virtual Machine]] | x86 | Java Virtual Machine | DOS, Linux, Windows up to 3.0 | {{open source|[[Gpl version 2|GPL version 2]]}} |- ! [[Kernel-based Virtual Machine|KVM]] | [[Qumranet]], now Red Hat | x86, x86-64, IA-64, with [[x86 virtualization]], s390, PowerPC,<ref name="linux-kvm" /> [[ARM architecture|ARM]]<ref name="rhel.kvm.arm" /> | Same as host | Linux, illumos | FreeBSD, Linux, Solaris, Windows, [[Plan 9 from Bell Labs|Plan 9]] | {{open source|[[Gpl version 2|GPL version 2]]}} |- ! [[Linux-VServer]] | Community project | x86, x86-64, IA-64, Alpha, PowerPC 64, [[PA-RISC]] 64, SPARC64, ARM, [[S/390]], SH/66, MIPS | Compatible | Linux | Linux variants | {{open source|[[Gpl version 2|GPL version 2]]}} |- ! [[LynxSecure]] | [[LynuxWorks]] | x86 | x86 | No host OS | [[LynxOS]], Linux, Windows | {{Proprietary}} |- ! [[LXC]] | Community project, [[Canonical Ltd.]] | x86, x86-64, IA-64, PowerPC 64, SPARC64, Itanium, ARM | Same as host | Linux | Linux variants | {{open source|[[Gpl version 2|GPL version 2]]}} |- ! [[Open Kernel Labs|OKL4 Microvisor]] | [[Open Kernel Labs]], acquired by [[General Dynamics Corporation]] | ARM, x86, MIPS | ARM (v5, v6, v7, v8; [[paravirtualization]]), ARMv7VE (hardware virtualization) | No Host OS | Various OSes and RTOSes including Linux, Android, [[QNX]] | {{Proprietary}} |- ! [[OpenVZ]] | Community project, supported by [[SWsoft]], now [[Parallels, Inc.]] | x86, x86-64, IA-64, PowerPC 64, SPARC64 | Same as host | Linux | same as host (shared Linux kernel), choice of userland distribution | {{open source|[[GNU General Public License|GPL]]}} |- ! [[Oracle VM Server for x86]] | [[Oracle Corporation]] | x86, x86-64 | x86, x86-64 | No host OS | Microsoft Windows, [[Oracle Linux]], [[Red Hat Enterprise Linux]], [[Solaris (operating system)|Solaris]] | {{open source|[[GPLv2]]}}, Oracle VM Server; Manager is proprietary |- ! [[OVPsim]] | OVP | x86 | OR1K, MIPS32, ARC600/700, ARM; and public API which enables users to write custom processor models, RISC, CISC, DSP, VLIW all possible | Microsoft Windows, Linux | Depends on target machine, for example includes MIPS Malta that runs Linux or SMP-Linux; and includes public API which enables users to write custom peripheral and system models | {{proprietary}}, [[Apache License|Apache 2.0]] for models |- ! [[Parallels Desktop for Mac]] | Parallels, Inc. | x86 | x86, x86-64, aarch64 | macOS | DOS, Windows, Linux, macOS, FreeBSD, OS/2, eComStation, Solaris, [[Haiku (operating system)|Haiku]] | {{Proprietary}} |- ! [[Parallels Workstation]] (discontinued 2013) | Parallels, Inc. | x86 | x86 | Windows, Linux | Windows, Linux, FreeBSD, [[OS/2]], [[eComStation]], DOS, Solaris, [[Haiku (operating system)|Haiku]] | {{Proprietary}} |- ! [[PearPC]] | [[Sebastian Biallas]] | x86, x86-64, PowerPC | PowerPC | Windows, Linux, {{nowrap|OS X}}, FreeBSD, NetBSD | {{nowrap|Mac OS X}}, [[Darwin (operating system)|Darwin]], Linux | {{open source|[[GNU General Public License|GPL]]}} |- ! [[PikeOS]] | [[SYSGO]] | PowerPC, x86, ARM, MIPS, SPARC, [[RISC-V]] | Same as host | No host OS, Linux or Windows as dev. hosts | PikeOS native, Linux, [[ELinOS]], [[Windows]], POSIX, AUTOSAR, Android, [[RTEMS]], [[OSEK]], [[ARINC 653]] APEX, [[ITRON]] | {{Proprietary}} |- ! [[Proxmox VE]] | [[Proxmox Virtual Environment|Proxmox]] | x86-64 | x86, x86-64 | Debian Based | Windows, Linux, Linux variants, Solaris, FreeBSD, [[OSx86]] (as FreeBSD), [[virtual appliance]]s, Netware, OS/2, SCO, BeOS, [[Haiku (operating system)|Haiku]], [[Darwin (operating system)|Darwin]] | {{open source|[[GNU Affero General Public License|AGPLv3]]}} |- ! [[Oracle VM Server for SPARC]] (LDoms) | [[Oracle Corporation]] | [[UltraSPARC T1]], [[UltraSPARC T2]], UltraSPARC T2+, [[SPARC T3]], [[SPARC T4]] | Compatible | [[Solaris (operating system)|Solaris 10, Solaris 11]] | Oracle support: Solaris; unsupported: Linux, FreeBSD | {{Proprietary}} |- ! [[PowerVM]] | [[IBM]] | [[POWER4]], [[POWER5]], [[POWER6]], [[POWER7]], [[POWER8]], [[POWER9]], [[Power10]] | POWER4/5/6/7/8/9/Power10, x86 ([[Lx86|PowerVM-Lx86]]) | PowerVM Firmware | Linux PowerPC, x86; [[AIX]], [[IBM i]] | {{Proprietary}} |- ! [[QEMU]] | [[Fabrice Bellard]], other developers | x86, x86-64, IA-64, PowerPC, SPARC 32/64, ARM, S/390, MIPS | x86, x86-64, Alpha, ARM, CRIS, LM32, [[M68k]], MicroBlaze, MIPS, OpenRisc32, PowerPC, S/390, SH4, SPARC 32/64, Unicore32, Xtensa | Windows, Linux, macOS, Solaris, FreeBSD, OpenBSD, BeOS | Changes regularly<ref name="QEMU" /> | {{open source|[[GNU General Public License|GPL]]/[[LGPL]]}} |- ! QEMU w/ [[kqemu]] module | [[Fabrice Bellard]] | x86, x86-64 | Same as host | Linux, FreeBSD, OpenBSD, Solaris, Windows | Changes regularly<ref name=QEMU/> | {{open source|[[GNU General Public License|GPL]]/[[LGPL]]}} |- ! QEMU w/ [[qvm86]] module | Paul Brook | x86 | x86 | Linux, NetBSD, Windows | Changes regularly | {{open source|[[GNU General Public License|GPL]]}} |- ! [[QuickTransit]] | [[Transitive Corp.]] | x86, x86-64, IA-64, POWER | MIPS, PowerPC, SPARC, x86 | Linux, {{nowrap|OS X}}, Solaris | Linux, {{nowrap|OS X}}, Irix, Solaris | {{Proprietary}} |- ! [[Real-Time Systems (company)|RTS]] Hypervisor | [[Real-Time Systems (company)|Real-Time Systems GmbH]] | x86, x86-64 | x86, x86-64 | No host OS | Windows, Linux, Windows Embedded, QNX, RTOS-32, VxWorks, OS-9, T-Kernel | {{Proprietary}} |- ! ScaleMP vSMP Foundation | ScaleMP | x86, x86-64 | Same as host | No host OS | Linux | {{Proprietary}} |- ! [[SIMH]] | Bob Supnik, The Computer History Simulation Project | Alpha, ARM, HPPA, x86, IA-64, x86-64, M68K, MIPS, MIPSel, POWER, s390, SPARC | [[Data General]] [[Data General Nova|Nova]], [[Data General Eclipse|Eclipse]]; [[Digital Equipment Corporation]] [[PDP-1]], [[PDP-4]], [[PDP-7]], [[PDP-8]], [[PDP-9]], [[PDP-10]], PDP-11, [[PDP-15]], VAX; GRI Corporation GRI-909; [[IBM]] [[IBM 1401|1401]], [[IBM 1620|1620]], [[IBM 1130|1130]], [[IBM 7090|7090/7094]], [[IBM System/3|System/3]]; [[Interdata]] ([[Perkin-Elmer]]) 16b/[[Interdata 7/32 and 8/32|32b]] systems; Hewlett-Packard 2114, 2115, 2116, 2100, 21MX; [[Honeywell]] H316/H516; [[Micro Instrumentation and Telemetry Systems|MITS]] [[Altair 8800]] with [[Intel 8080|8080]] and [[Zilog Z80|Z80]]; [[Royal McBee]] [[LGP-30]], LGP-21; [[Scientific Data Systems]] [[SDS 940]] | BSD, Linux, Solaris, VMS, Windows | Depends on target machine, includes NetBSD/VAX, OpenBSD/VAX, [[OpenVMS|VAX/VMS]], [[Version 6 Unix|Unix v6]], [[Version 7 Unix|Unix v7]], [[TOPS-10]], [[TOPS-20]], [[Incompatible Timesharing System|ITS]] | {{open source|BSD-like, unique}} |- ! [[Simics]] | [[Virtutech]], acquired by [[Intel]] | x86, x86-64 | 8051, 68000, ARM (v4, v5, v6, v7), MIPS32, MIPS64, Cavium cnMIPS, Broadcom XLR MIPS, Freescale (e300, e500, e600, e5500, e6500), IBM (POWER, PPC44x, PPC46x, 47x), SPARC v8 (LEON), SPARC v9 (UltraSparc), x86 (from 80286 to Sandy Bridge), x86-64 (from Pentium4 to Sandy Bridge), TI [[Texas Instruments TMS320|TMS320C64xx]], Renesas H8, Renesas SH | Windows 32-bit and 64-bit, Linux 32-bit and 64-bit | Depends on target machine, typically runs unmodified software stacks from the corresponding real target, including [[VxWorks]], VxWorks 653, [[Operating System Embedded|OSE]], QNX, Linux, Solaris, Windows, FreeBSD, [[RTEMS]], [[TinyOS]], Wind River Hypervisor, VMware ESX, and others | {{Proprietary}} |- ! [[Sun xVM]] Server | [[Sun Microsystems]] | x86-64, SPARC | Same as host | No host OS | Windows XP, 2003 Server (x86-64 only), Linux, Solaris | {{open source|[[Gpl version 3|GPL version 3]]}} |- ! [[SVISTA]] 2004 | [[Serenity Systems International]] | x86 | x86 | Windows, OS/2, Linux | Windows, Linux, OS/2, BSD | {{Proprietary}} |- ! [[Trango Virtual Processors|TRANGO]] | [http://www.trango-vp.com TRANGO Virtual Processors, Grenoble, France] | ARM, [[XScale]], MIPS, PowerPC | [[Paravirtualization|Paravirtualized]] ARM, MIPS, PowerPC | No host OS, Linux or Windows as dev. hosts | Linux, [[eCos]], [[MicroC/OS-II|μC/OS-II]], [[WindowsCE]], [[Nucleus RTOS|Nucleus]], VxWorks | {{Proprietary}} |- ! [[User Mode Linux]] | [[Jeff Dike]], other developers | x86, x86-64, PowerPC | Same as host | Linux | Linux | {{open source|[[Gpl version 2|GPL version 2]]}} |- ! [[VirtualBox]] | Innotek, acquired by [[Oracle Corporation]] | x86, x86-64 | x86, x86-64 (with Intel VT-x or AMD-V, and VirtualBox 2 or later) | Windows, Linux, macOS, Solaris, FreeBSD, eComStation | DOS, Linux, macOS,<ref name="virtualbox" /> FreeBSD, [[Haiku (operating system)|Haiku]], OS/2, Solaris, Syllable, Windows, and OpenBSD (with Intel VT-x or AMD-V, due to otherwise tolerated incompatibilities in the emulated memory management).<ref>{{cite web|url=https://forums.virtualbox.org/viewtopic.php?p=17930|title=virtualbox.org • View topic – Theo de Raadt discourages VirtualBox usage..|website=forums.virtualbox.org|language=en-gb|access-date=2017-10-15}}</ref> | {{open source|GPL version 2; full version with extra enterprise features is proprietary}} |- ! [[Virtual Iron]] 3.1 | Virtual Iron Software, Inc., acquired by Oracle | x86 VT-x, x86-64 AMD-V | x86, x86-64 | No host OS | Windows, Linux | {{proprietary}}, some components GPLv2<ref name="oracle" /> |- ! [[Virtual Machine Manager]] | [[Red Hat]] | x86, x86-64 | x86, x86-64 | Linux | Linux, Windows | {{open source|GPL version 2}} |- ! [[Microsoft Virtual PC|Virtual PC]] 2007 (discontinued) | [[Connectix]] and [[Microsoft]] | x86, x86-64 | x86 | [[Windows Vista]] (Business, Enterprise, Ultimate), XP Pro, XP Tablet PC Edition | DOS, Windows, OS/2, Linux (SUSE, Xubuntu), OpenSolaris (Belenix) | {{Proprietary}} |- ! [[Windows Virtual PC]] (discontinued) | Connectix and Microsoft | x86, x86-64 with Intel VT-x or AMD-V | x86 | Windows 7 | Windows XP, Windows Vista, Windows 7, Windows Server 2003, Windows Server 2008 | {{Proprietary}} |- ! [[Microsoft Virtual PC|Virtual PC]] 7 for Mac | Connectix and Microsoft | PowerPC | x86 | {{nowrap|Mac OS X}} | Windows, OS/2, Linux | {{Proprietary}} |- ! [[VirtualLogix]] VLX | VirtualLogix | ARM, TI DSP C6000, x86, PowerPC | Same as host | No host OS | Linux, Windows XP, C5, [[VxWorks]], Nucleus, [[DSP/BIOS]], proprietary | {{Proprietary}} |- ! [[Microsoft Virtual Server|Virtual Server]] 2005 R2 | Connectix and Microsoft | x86, x86-64 | x86, x86-64 | Windows Server 2003, 2008, XP (Requires IIS) | Windows NT, 2000, 2003, 2008, Linux (Red Hat, SUSE, Ubuntu) | {{Proprietary}} |- ! [[CoWare|Synopsys (CoWare)]] [[Virtual Platform]] | [[CoWare]] | x86, x86-64, SPARC v9 | Devices including (multi) cores from ARM, MIPS, PowerPC, [[Toshiba]] [[MeP]], [[Renesas]] SH, [[Texas Instruments]], [[Tensilica]], ZSP | Windows, Linux, Solaris | Depends on guest CPU; includes: [[Linux]] (various flavors), [[μITRON]] (various flavors), Windows CE, [[Symbian]], more | {{Proprietary}} |- ! [[Virtuozzo]] | [[SWsoft]], now [https://virtuozzo.com/ Virtuozzo Inc] | x86, IA-64, x86-64 | same as host | Linux | same as host (shared Linux kernel) | {{Proprietary}} |- ! [[vkernel]] | [[Matthew Dillon]] / [[DragonFly BSD]] | x86-64 | same as host | [[DragonFly BSD]] | any compatible vkernel binary of DragonFly | {{open source|[[BSD licence|BSD]]}} |- ! VMM | [[OpenBSD]] | x86, x86-64 | same as host | OpenBSD | OpenBSD and Linux guests | {{open source|[[BSD licenses|BSD]]}} |- ! [[VMware ESX Server]] | [[VMware]] | x86, x86-64 | x86, x86-64 | No host OS | Windows, Linux, Solaris, FreeBSD, [[OSx86]] (as FreeBSD), [[virtual appliance]]s, Netware, OS/2, SCO, BeOS, [[Haiku (operating system)|Haiku]], [[Darwin (operating system)|Darwin]], others: runs arbitrary OS{{efn|name="VMware ESX Server"}} | {{Proprietary}} |- ! [[VMware ESXi]] | VMware | x86, x86-64 | x86, x86-64 | No host OS | Same as VMware ESX Server | {{Proprietary}} |- ! [[VMware Fusion]] | VMware | x86, x86-64 | x86, x86-64 | macOS | Same as VMware ESX Server | {{Proprietary}} |- ! [[VMware Server]] | VMware | x86, x86-64 | x86, x86-64 | Windows, Linux | Same as VMware ESX Server | {{Proprietary}} |- ! [[VMware Workstation]] | VMware | x86-64{{efn|Older versions of [[VMware Workstation]] support [[x86]].}} | x86, x86-64 | Windows, Linux | Same as VMware ESX Server | {{Proprietary}} |- ! [[VMware Player]], later VMware Workstation Player | VMware | x86-64{{efn|Older versions of [[VMware Player]]/VMware Workstation Player support x86.}} | x86, x86-64 | Windows, Linux | Same as VMware ESX Server | {{Proprietary}}, free for personal non-commercial use<ref name="vmware" /><ref name="vmware2">[http://www.vmware.com/download/eula/player31.html ] {{webarchive |url = https://web.archive.org/web/20110615075910/http://www.vmware.com/download/eula/player31.html |date = 15 June 2011 }}</ref> |- ! [[Wind River Systems|Wind River]] Hypervisor | Wind River | x86, x86-64, PowerPC, ARM | Same as host | No host OS | Linux, VxWorks, unmodified guests (including MS Windows and RTOSes such ach OSE, QNX and others), bare metal virtual board | {{Proprietary}} |- ! [[Xen]] | [[Xensource]], Now [[Citrix Systems]] | x86, x86-64, ARM, IA-64 (inactive), PowerPC (inactive) | Same as host | Linux, Unix-like | Linux, FreeBSD, MiniOS, NetBSD, Solaris, Windows 7/XP/Vista/Server 2008 (requires Intel VT-x (Vanderpool) or AMD-V (Pacifica)-capable CPU), [[Plan 9 from Bell Labs|Plan 9]] | {{open source|[[GNU GPLv2]] +}} |- ! [[XCP-ng]] | By Vates SAS | x86, x86-64, ARM, IA-64 (inactive), PowerPC (inactive) | Same as host | No host OS | Linux, FreeBSD, MiniOS, NetBSD, Solaris, Windows, Windows Server 2008 (with Intel VT-x or AMD-V), [[Plan 9 from Bell Labs|Plan 9]] | {{open source|[[GNU GPLv2]] +}}<ref>{{cite web |title=Licenses – xcp-ng/xcp Wiki |website=[[GitHub]] |url=https://github.com/xcp-ng/xcp/wiki/Licenses |access-date=22 January 2019}}</ref> |- ! [[XenServer]] | By [[Citrix Systems]] | x86, x86-64, ARM, IA-64 (inactive), PowerPC (inactive) | Same as host | No host OS | Linux, FreeBSD, MiniOS, NetBSD, Solaris, Windows 7/XP/Vista/Server 2008 (with Intel VT-x or AMD-V), [[Plan 9 from Bell Labs|Plan 9]] | {{open source|[[GNU GPLv2]] +}} |- ! [[XtratuM]] | fentISS | SPARC v8 LEON2/3/4, ARM v7 | Same as host | No host OS | GPOS: Linux, RTOS: LithOS, RTEMS | {{Proprietary}}, [[GPL version 2]] depending on versions |- ! [[z/VM]] | [[IBM]] | z/Architecture | z/Architecture, z/VM does not run on predecessor mainframes | No host OS, itself (single or multiple levels/versions deep; e.g., VM/ESA running in z/VM 4.4 in z/VM 5.2 in z/VM 5.1.) | [[Linux on IBM Z]], [[z/OS]], [[z/VSE]], [[z/TPF]], z/VM, [[VM/CMS]], [[MUSIC/SP]], [[OpenSolaris for System z]], predecessors | {{Proprietary}} |- ! z [[LPAR]]s | IBM | z/Architecture | z/Architecture | Integrated in firmware of [[System z]] mainframes | Linux on IBM Z, z/OS, z/VSE, z/TPF, z/VM, MUSIC/SP, and predecessors | {{proprietary}} |- class="sortbottom" ! Name ! Creator ! Host CPU ! Guest CPU ! Host OS(s) ! Guest OS(s) ! License |} == Features == {| class="wikitable sortable" style="font-size: smaller; text-align: center; width: auto; table-layout: fixed;" |- class="sortbottom" ! Name ! Guest OS [[symmetric multiprocessing|SMP]] available ! Runs arbitrary OS ! Supported guest OS [[device driver|drivers]] ! Method of operation ! Typical use ! Speed relative to host OS ! Commercial support available |- ! [[Solaris Zones|Containers]], or Zones | {{Yes}}, over 500-way on current systems | {{No}} | Uses native device drivers | [[Operating system-level virtualization]] | Server consolidation with workload isolation, single workload containment, hosting, dev/test/prod | Near native | {{Yes}} |- ! [[Hyper-V]] Server 2008 R2 | {{Yes}}, up to 4 VCPUs per VM | {{Yes}} | {{Yes}} | Virtualization | Server consolidation, service continuity, dev/test, desktop virtualization, cloud computing | Up to near native{{Citation needed|date=November 2010}}{{ref|osvirt}} | {{Yes}} |- ! [[OpenVZ]] | {{yes}} | {{no}} | Compatible | [[Operating system-level virtualization]] | Virtualized server isolation | Up to near native{{Citation needed|date=November 2010}}{{ref|osvirt}} | {{yes}} |- ! [[Kernel-based Virtual Machine|KVM]] | {{yes}}<ref name="linux-kvm mainpage" /> | {{yes}} | {{yes}} | [[x86 virtualization|AMD-V and Intel-VT-x]] | Virtualized server isolation, server/desktop consolidation, software development, cloud computing, other purposes | Up to near native{{Citation needed|date=November 2010}}{{ref|osvirt}} | {{Yes}}<ref name="KVM" /> |- ! [[Linux-VServer]] | {{yes}} | {{no}} | Compatible | [[Operating system-level virtualization]] | Virtualized server isolation and security, server consolidation, cloud computing | Up to near native{{Citation needed|date=November 2010}}{{ref|osvirt}} | {{Yes}} |- ! [[Oracle VM Server for x86]] | {{yes}} | {{yes}} | {{yes}} | [[Paravirtualization]] and hardware virtualization | Server consolidation and security, enterprise and business deployment | Up to near native{{Citation needed|date=November 2010}} | {{yes}} |- ! [[Oracle VM Server for SPARC]] (LDoms) | {{yes}} | {{Yes}}, but needs porting<ref name="Logical Domains" /> | {{yes}} | [[Paravirtualization]] and hardware virtualization | Server consolidation and security, enterprise and business deployment | Up to near native{{Citation needed|date=November 2010}} | {{yes}} |- ! [[OVPsim]] | {{Yes}} | {{Yes}} | {{dunno}} | Full system simulation with optional component virtualization | Software development (early, embedded), advanced debug for single and multicore software, compiler and other tool development, computer architecture research, hobbyist | Depends on target architecture (full and slow hardware emulation for guests incompatible with host){{Citation needed|date=November 2010}} | {{Yes}}, with commercial license from Imperas<ref name="imperas" /> |- ! [[PikeOS]] | {{Yes}} | {{Yes}}, but modifications required as [[paravirtualization]] is used | {{Yes}} | [[Paravirtualization]] | Safety and security critical [[embedded system]]s. | Up to near native{{Citation needed|date=November 2010}} | {{Yes}} |- ! ScaleMP vSMP Foundation | {{Yes}}, up to 8,192 CPUs and 64 TB per VM{{Citation needed|date=November 2010}} | {{Yes}} | {{Yes}} | [[x86 virtualization|Virtualization]] | Server consolidation, Cloud computing | ? | {{Yes}} |- ! [[Simics]] | {{Yes}} | {{Yes}} | {{Yes}} | Full system simulation of processors, MMUs, devices, disks, memories, networks, etc. | Software development, advanced debug for single and multicore software, compiler and other tool development, computer architecture research, bug transportation, automated testing, system architecture, long-term support of safety-critical systems, early hardware availability, virtual prototyping | Depends on host machine and target architecture. Runs at near-native speeds for x86-on-x86 using VT-x, cross-simulation of other architectures can be faster or slower than real-time depending on how fast the target is and how big the target is (number of processors, number of target machines, and how much the simulation can be parallelized) | {{Yes}} |- ! [[Sun xVM]] Server | {{Yes}} | {{Yes}} | {{Yes}} | [[Paravirtualization]] and porting or hardware virtualization | Servers, Development | Up to near native{{Citation needed|date=November 2010}} | Yes |- ! [[SVISTA]] 2004 | {{no}} | {{dunno}} | {{dunno}} | {{dunno}} | Hobbyist, Developer, Business workstation | {{dunno}} | {{dunno}} |- ! [[Trango Virtual Processors|TRANGO]] | {{yes}} | {{yes}}{{ref|patch}} | {{yes}} | [[Paravirtualization]] and [[porting]] or hardware virtualization | Mob. phone, STB, routers, etc. | Near native{{ref|native}}{{Citation needed|date=November 2010}} | {{dunno}} |- ! [[User Mode Linux]] | {{dunno}} | {{no}} | special guest kernel+modules required | [[Porting]] | Developer (as a separate machine for a server or with X11 networking) | Non-significantly slower than native {{ref|native speed}} (all calls to kernel are proxied){{Citation needed|date=November 2010}} | {{dunno}} |- ! [[Open Kernel Labs|OKL4 Microvisor]] | {{yes}} | {{yes}}, (either with para-virtualization or HW virtualization) | {{yes}} | [[Paravirtualization]], Hardware assisted virtualization | Mobile, embedded, security, safety critical, networking, legacy OS, etc. | Near native | {{yes}} |- ! Oracle [[VirtualBox]] | {{yes}} | {{yes}} | {{yes}} | [[x86 virtualization|Virtualization]] | Business workstation, server consolidation, service continuity, developer, hobbyist | Up to near native{{Citation needed|date=November 2010}} | {{Yes}} (with commercial license) |- ! [[Virtual Iron]] 3.1 | {{yes}}, up to 8 way | {{yes}} | {{yes}} | [[x86 virtualization|Native virtualization]] | Server consolidation, service continuity, dev/test | ? | {{Yes}} |- ! [[Microsoft Virtual PC|Virtual PC]] 2007 | {{no}} | {{yes}} | {{yes}} | [[x86 virtualization|Virtualization]], guest calls trapping where supported | Hobbyist, Developer, Business workstation | Up to near native{{Citation needed|date=November 2010}} with virtual machine additions | {{dunno}} |- ! [[Windows Virtual PC]] | {{yes}}{{Citation needed|date=December 2019}} | {{yes}} | {{yes}} | [[x86 virtualization|Hardware virtualization]] | Developer, Business workstation, support for Compatibility with Windows XP applications | Up to near native{{Citation needed|date=November 2010}} with virtual machine additions | {{no}} |- ! [[Microsoft Virtual PC|Virtual PC]] 7 for Mac | {{no}} | {{yes}} | {{yes}} | [[dynamic recompilation]] (guest calls trapping where supported) | Hobbyist, Developer, Business workstation | Slow {{Citation needed|date=November 2010}} | {{dunno}} |- ! [[Microsoft Virtual Server|Virtual Server]] 2005 R2 | {{no}} | {{yes}} | {{yes}} | [[x86 virtualization|Virtualization]] (guest calls trapping where supported) | Server, server farm | Up to near native with virtual machine additions but slower than with hypervisor due to proxied calls{{Citation needed|date=November 2010}} | {{dunno}} |- ! [[CoWare]] [[Virtual Platform]] | {{Yes}} | {{Yes}} | {{Yes}} ( Same compiled Software image as for the real device) | Full-system virtualization (Processor Core ISA + Hardware + External connections) | Early embedded software development and integration (from driver to application), [[Multi-core]] software debugging and optimization | Depending on the system characteristics and the software itself, ranges from faster than real time to slow{{Citation needed|date=November 2010}}. | {{yes}} |- ! [[Virtuozzo]] | {{yes}} | {{no}} | Compatible | [[Operating system-level virtualization]] | Server consolidation, service continuity, disaster recovery, service providers | Up to near native{{Citation needed|date=November 2010}} | {{Yes}} |- ! [[VMware ESXi Server]] 5.5 (vSphere) | {{yes}}, add-on, up to 64 way | {{no}} | {{yes}} | [[x86 virtualization|Virtualization]] | Server consolidation, service continuity, dev/test, cloud computing, business critical applications, Infrastructure as a Service [[IaaS]] | Up to near native{{Citation needed|date=November 2010}} | {{Yes}} |- ! [[VMware ESX Server]] 4.0 (vSphere) | {{yes}}, add-on, up to 8 way | {{yes}} | {{yes}} | [[x86 virtualization|Virtualization]] | Server consolidation, service continuity, dev/test, cloud computing | Up to near native{{Citation needed|date=November 2010}} | {{Yes}} |- ! [[VMware ESX Server]] 3.0 | {{yes}}, add-on, up to 4 way | {{yes}} | {{yes}} | [[x86 virtualization|Virtualization]] | Server consolidation, service continuity, dev/test | Up to near native{{Citation needed|date=November 2010}} | {{Yes}} |- ! VMware ESX Server 2.5.3 | {{yes}}, add-on, 2 way | {{yes}} | {{yes}} | [[x86 virtualization|Virtualization]] | Server consolidation, service continuity, dev/test | Up to near native{{Citation needed|date=November 2010}} | {{Yes}} |- ! [[VMware Fusion]] | {{yes}} | {{yes}} | {{yes}} | Virtualization | Hobbyist, Developer, Tester, Business workstation | Up to near native{{Citation needed|date=November 2010}} | {{Yes}} |- ! [[VMware Server]] | {{yes}} (2-way) | {{yes}} | {{yes}} | [[x86 virtualization|Virtualization]] | Server/desktop consolidation, dev/test | Up to near native{{Citation needed|date=November 2010}} | {{Yes}} |- ! [[VMware Workstation]] | {{yes}} (2-way) | {{yes}} | {{yes}} | [[Paravirtualization]] ([[Virtual Machine Interface|VMI]]) and [[x86 virtualization|virtualization]] | Technical professional, advanced dev/test, trainer | Up to near native{{Citation needed|date=November 2010}} | {{Yes}} |- ! [[VMware Player]] | {{yes}}<ref name="vmware9" /> | {{yes}} | {{yes}} | [[x86 virtualization|Virtualization]] | Technical professional, advanced dev/test, trainer, end user on prebuilt machines | Up to near native{{Citation needed|date=November 2010}} | {{No}} |- ! [[Xen]] | {{yes}}, v4.0.0: up to 128 VCPUs per VM | {{yes}} | {{yes}} | [[Paravirtualization]] and porting or hardware virtualization | Virtualized server isolation, server/desktop consolidation, software development, cloud computing, other purposes. Xen powers most public cloud services and many hosting services, such as Amazon Web Services, Rackspace Hosting and Linode. | Up to native<ref name="unf.edu" /> | {{yes}} |- !XCP-ng | {{yes}} | {{yes}} | {{yes}} | [[Paravirtualization]] and porting or hardware virtualization | Virtualized server isolation, server/desktop consolidation, software development, cloud computing, desktop virtualization, public cloud services, hostings services and other purposes. | Up to native{{Citation needed|date=January 2018}} | {{yes}} |- ! [[XenServer]] | {{yes}} | {{yes}} | {{yes}} | [[Paravirtualization]] and porting or hardware virtualization | Virtualized server isolation, server/desktop consolidation, software development, cloud computing, other purposes. Xen powers most public cloud services and many hosting services, such as Amazon Web Services, Rackspace Hosting and Linode. | Up to native<ref name="unf.edu" /> | {{yes}} |- ! [[XtratuM]] | {{yes}} | {{no}} | {{yes}} | [[Paravirtualization]] | Embedded, safety critical, secure | Near to native{{Citation needed|date=May 2020}} | {{yes}} |- ! [[z/VM]] | {{yes}}, both real and virtual (guest perceives more CPUs than installed), incl. dynamic CPU provisioning and reassignment | {{yes}} | {{yes}}, but not required | Virtualization (among first systems to provide hardware assists) | Servers | Near native{{ref|zvm_performance}} | {{yes}} |- ! z [[LPAR]]s | {{yes}}, both real and virtual (guest perceives more CPUs than installed), incl. dynamic CPU provisioning and reassignment; up to 64 real cores | {{yes}} | {{yes}}, but not required | [[Microcode]] and hardware hypervisor | Servers | Native: [[IBM System z|System z]] machines always run with at least one LPAR | {{yes}} |- class="sortbottom" ! Name ! Guest OS [[symmetric multiprocessing|SMP]] available ! Runs arbitrary OS ! Supported guest OS [[device driver|drivers]] ! Method of operation ! Typical use ! Speed relative to host OS ! Commercial support available |} * {{note|native}} Providing any virtual environment usually requires some overhead of some type or another. Native usually means that the virtualization technique does not do any CPU level virtualization (like Bochs), which executes code more slowly than when it is directly executed by a CPU. Some other products such as VMware and Virtual PC use similar approaches to Bochs and QEMU, however they use a number of advanced techniques to shortcut most of the calls directly to the CPU (similar to the process that JIT compiler uses) to bring the speed to near native in most cases. However, some products such as coLinux, Xen, z/VM (in real mode) do not suffer the cost of CPU-level slowdowns as the CPU-level instructions are not proxied or executing against an emulated architecture since the guest OS or hardware is providing the environment for the applications to run under. However access to many of the other resources on the system, such as devices and memory may be proxied or emulated in order to broker those shared services out to all the guests, which may cause some slow downs as compared to running outside of virtualization. * {{note|osvirt}} OS-level virtualization is described as "native" speed, however some groups have found overhead as high as 3% for some operations, but generally figures come under 1%, so long as secondary effects do not appear. * {{note|parav}} See<ref name="princeton" /> for a paper comparing performance of paravirtualization approaches (e.g. Xen) with OS-level virtualization * {{note|patch}} Requires patches/recompiling. * {{note|zvm_performance}}Exceptional for lightweight, [[Paravirtualization|paravirtualized]], single-user VM/CMS interactive shell: largest customers run several thousand users on even single prior models. For multiprogramming OSes like [[Linux on IBM Z]] and [[z/OS]] that make heavy use of native supervisor state instructions, performance will vary depending on nature of workload but is near native. Hundreds into the low thousands of Linux guests are possible on a single machine for certain workloads. == Image type compatibility == {| class="wikitable sortable" style="text-align: center; width: auto; table-layout: fixed;" |- ! Name  ! [[Disk image|floppy]] ! [[ISO image|ISO]] ! [[Directory (computing)|folders]] on host ! physical disk / device ! raw / flat (whole disk) ! raw / flat ([[Disk partitioning|partition]])   ! hdd ([[Parallels Workstation|Parallels]]) ! [[qcow|QCOW]] ([[QEMU]]) ! [[qcow#qcow2|QCOW2]] ([[QEMU]]) ! QED ([[QEMU]]) ! [[VDI (file format)|VDI]] ([[VirtualBox]]) ! [[VHD (file format)|VHD]] ([[Connectix Virtual PC]]) ! VHDX ([[Hyper-V]]) ! [[VMDK]] ([[VMware Workstation|VMware]])   |- ! [[86Box]] | {{yes}}  | {{yes}}  | {{partial|CD-ROM drive only}}  | {{no}}  | {{yes}}  | {{no}}  | {{no}}  | {{no}}}  | {{no}}  | {{no}}  | {{no}}  | {{yes}}  | {{no}}  | {{no}}  |- ! [[Bochs]]<ref>{{cite web |url=http://bochs.sourceforge.net/doc/docbook/user/harddisk-modes.html |title=8.19. Disk Image Modes |publisher=Bochs.sourceforge.net |access-date=2013-10-08}}</ref> | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{yes}}  | {{yes}}  | {{no}}  | {{yes|v3, v4}} |- ! [[Solaris Containers|Containers, or Zones]] | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[Cooperative Linux]] (coLinux) | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[Charon (software)|CHARON]] | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[Denali (operating system)|Denali]] | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[DOSBox]] | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{dunno}}  | {{no}}  | {{no}}  | {{partial|DOSBox-X fork}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  |- ! [[Dosemu|DOSEMU]] | {{dunno}} | {{dunno}} | {{yes}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[FreeBSD Jail]] | {{no}} | {{no}} | {{yes}} | {{no}} | {{no}} | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  |- ! [[GXemul]] | {{dunno}} | {{yes}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[Hercules emulator|Hercules]] | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[Hyper-V]] (2008 R2) | {{yes}} | {{yes}} | {{no}} | {{yes}} | {{no}} | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{yes}}  | {{no}}  | {{no}}  |- ! [[Hyper-V]] (2012) | {{yes}} | {{yes}} | {{no}} | {{yes}} | {{no}} | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{yes}}  | {{yes}}  | {{no}}  |- ! [[Hyper-V]] (2012 R2) | {{yes}} | {{yes}} | {{no}} | {{yes}} | {{no}} | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{yes}}  | {{yes}}  | {{no}}  |- ! iCore Virtual Accounts | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[HP Integrity Virtual Machines|Integrity Virtual Machines]] | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[Java PC|JPC (Virtual Machine)]] | {{yes}} | {{yes}} | {{yes}} | {{dunno}} | {{yes}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[Linux-VServer]] | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[LynxSecure]] | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[LXC]] | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[OpenVZ]] | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[Oracle VM Server for x86]] | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[Oracle VM Server for SPARC]] (LDoms) | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[OVPsim]] | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[Parallels Desktop for Mac]] | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{yes}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[Parallels Workstation]] | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{yes}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[PearPC]] | {{no}} | {{yes}} | {{no}} | {{yes}} | {{yes}} | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  |- ! [[PikeOS]] | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[PowerVM]] | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[QEMU]] | {{yes}} | {{yes}}  | {{yes}} | {{yes}} | {{yes}}  | {{yes}}  | {{partial|read-only}} | {{yes}}  | {{yes}}  | {{yes}} | {{yes}}  | {{yes}}  | {{partial|except difference type}} | {{yes}}  |- ! [[QEMU]] w/ [[kqemu]] module | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{yes}}  | {{no}}  | {{no}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[QEMU]] w/ [[qvm86]] module | {{dunno}} | {{dunno}} | {{dunno}} | {{yes}} | {{yes}} | {{dunno}}  | {{dunno}}  | {{yes}}  | {{yes}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{yes}}  |- ! [[QuickTransit]] | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! ScaleMP vSMP Foundation | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[SIMH]] | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[Simics]] | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[Sun xVM]] Server | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[SVISTA]] 2004 | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[Trango Virtual Processors|TRANGO]] | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[User Mode Linux]] | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[VirtualBox]] | {{yes}} | {{yes}} | {{partial|With guest integration installed on guest os.}} | {{yes}}<ref name="virtualbox4" /> | {{yes}}<ref name="virtualbox4" /> | {{yes}}<ref name="virtualbox4" /> | {{yes|up to v2}}  | {{yes}}  | {{partial|read-only}}  | {{yes}}  | {{yes}}  | {{yes}}  | {{partial|Can read existing disks, but not create new disks.}}  | {{yes}}  |- ! [[Virtual Iron]] 3.1 | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[Microsoft Virtual PC|Virtual PC]] 2007 | {{yes}} | {{yes}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{yes}}  | {{no}}  | {{no}}  |- ! [[Windows Virtual PC]] | {{yes}} | {{yes}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{yes}}  | {{yes}}  | {{no}}  |- ! [[Microsoft Virtual PC|Virtual PC]] 7 for Mac | {{yes}} | {{yes}} | {{no}} | {{no}} | {{no}} | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{yes}}  | {{no}}  | {{no}}  |- ! [[VirtualLogix]] VLX | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[Microsoft Virtual Server|Virtual Server]] 2005 R2 | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[CoWare|Synopsys (CoWare)]] [[Virtual Platform]] | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[Virtuozzo]] | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[VMware ESX Server]] | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{yes}}  | {{dunno}} | {{dunno}} |- ! [[VMware ESXi]] | {{yes}}  | {{yes}}  | {{no}}  | {{yes}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{no}}  | {{yes}}  |- ! [[VMware Fusion]] | {{dunno}} | {{yes}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{yes}}  |- ! [[VMware Server]] | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{yes}}  |- ! [[VMware Workstation]] | {{yes}} | {{yes}} | {{dunno}} | {{yes}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{yes}}  |- ! [[VMware Player]] | {{yes}} | {{yes}} | {{dunno}} | {{partial}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{yes}}  |- ![[Wind River Systems|Wind River]] Hypervisor | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[Wind River Systems|Wind River]] VxWorks MILS Platform | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[Xen]] | {{yes}}  | {{yes}}  | {{dunno}} | {{yes}}  | {{yes}}<ref name="blktap2">{{cite web |url=http://wiki.xenproject.org/wiki/Blktap2 |title=Xen blktap2 driver |access-date=2014-02-03}}</ref> | {{dunno}} | {{dunno}} | {{yes}}<ref name=blktap2 />  | {{yes}}<ref name=blktap2 />  | {{dunno}} | {{dunno}} | {{yes}}<ref name=blktap2 />  | {{dunno}} | {{dunno}} |- !XCP-ng | {{dunno}} | {{yes}} | {{dunno}} | {{yes}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{yes}} | {{no}} | {{dunno}} |- ! [[XenServer]] | {{yes}}  | {{yes}}  | {{dunno}} | {{yes}}  | {{yes}}<ref name="blktap2"/> | {{dunno}} | {{dunno}} | {{yes}}<ref name=blktap2 />  | {{yes}}<ref name=blktap2 />  | {{dunno}} | {{dunno}} | {{yes}}<ref name=blktap2 />  | {{dunno}} | {{dunno}} |- ! [[XtratuM]] | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! [[z/VM]] | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- ! z [[LPAR]]s | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  | {{dunno}}  |- class="sortbottom" ! Name ! [[Disk image|floppy]] ! [[ISO image|ISO]] ! [[Directory (computing)|folders]] on host ! physical disk / device ! raw / flat (whole disk) ! raw / flat ([[Disk partitioning|partition]]) ! hdd ([[Parallels Workstation|Parallels]]) ! [[qcow|QCOW]] ([[QEMU]]) ! [[qcow#qcow2|QCOW2]] ([[QEMU]]) ! QED ([[QEMU]]) ! [[VDI (file format)|VDI]] ([[VirtualBox]]) ! [[VHD (file format)|VHD]] ([[Connectix Virtual PC]]) ! VHDX ([[Hyper-V]]) ! [[VMDK]] ([[VMware Workstation|VMware]]) |} == Other features == {| class="wikitable sortable" style="font-size: smaller; text-align: center; width: auto; table-layout: fixed;" |- class="sortbottom" ! Name ! Can boot an OS on another disk partition as guest ! USB support ! GUI ! Live memory allocation ! 3D acceleration ! [[Snapshot (computer storage)|Snapshots]] per VM  ! Snapshot of running system ! Live migration ! Shared folders ! Shared clipboard ! PCI passthrough |- ! [[Kernel-based Virtual Machine|KVM]] | {{yes}} | {{yes}} | {{yes}}<ref name="virt-manager" /> | {{yes}} | {{yes}} (via [[AIGLX]]) | {{yes}} | {{yes}}<ref name="sheepdog" /> | {{yes}}<ref name="kvm" /> |  |  | {{yes}} |- ! [[User Mode Linux]] | {{yes}} | {{no}} | {{no}} | {{no}} | {{no}} | | | {{no}} | {{yes}} | N/A |  |- ! [[Solaris Containers|Containers, or Zones]] | {{yes}} | {{yes}} | {{yes}} | {{yes}} | Not needed | {{yes}}<ref>{{cite web|url=http://docs.oracle.com/cd/E36784_01/html/E36803/zonelimit.html|title=beadm in Non-Global Zones – Creating and Administering Oracle Solaris 11.2 Boot Environments|date=11 November 2014|work=oracle.com}}</ref> | {{yes}} | {{no}} | {{yes}} | Not needed | Not needed |- ! [[DosBox]] | {{no}} | {{no}} | {{partial|SVN builds only}} | {{no}} | {{partial|Glide (SVN builds only)}} | {{no}} | {{yes}} | {{no}} | {{no}} | {{no}} | {{no}} |- ! Oracle [[VirtualBox]] (formerly OSE, GPLv2), with ''Guest Additions'' (GPLv2)<ref name="vboxguestadditionslic" /> | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} branched<ref name="vbox310" /> | {{yes}} | {{yes}} | {{yes|with Guest Additions<ref name="vboxguestadditionsintro" />}} | {{yes|with Guest Additions<ref name="vboxguestadditionsintro" />}} | {{no}} |- ! Oracle [[VirtualBox]] with ''Extension Pack'' (PUEL) and ''Guest Additions'' (GPLv2)<ref name="vboxguestadditionslic" /> | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes| OpenGL 2.0 and Direct3D 8/9<ref name="vbox300"/>}} | {{yes}} branched<ref name="vbox310"/> | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{partial|Retired (Until 6.0;<ref>{{cite web |url=https://www.virtualbox.org/wiki/Changelog-6.1#v0 |title=Changelog for VirtualBox 6.1 |quote=Linux host: Drop PCI passthrough, |access-date=2020-02-16 }}</ref> Linux only<ref name="vboxpci" />)}} |- ! [[Oracle VM Server for SPARC]] (LDoms) | {{yes}} | {{yes|USB 2.0}} | {{yes}} | {{yes}} | {{no}} | {{yes}} | {{no}} | {{yes}} | {{yes}} | {{no}} | {{yes}} |- ! [[Open Kernel Labs|OKL4 Microvisor]] | {{yes}} | {{yes}} | VMs only | {{yes}} | {{yes}} | | | {{no}} |  |  | {{partial|Static assignment}} |- ! [[Virtual Iron]] 4.2 | | | | | | | | {{yes}} |  |  |  |- ! [[Virtual PC]] 2007 | {{no}} | {{no}} | {{yes}} | {{no}} | {{no}} | | | {{no}} | {{yes}} | {{yes}} |  |- ! [[Windows Virtual PC]] | {{no}} | {{partial|partially}} | {{yes}} | {{no}} | {{no}} | | | {{no}} | {{yes}} | {{yes}} |  |- ! [[VirtualPC]] 7 for Mac | {{no}} | {{yes}} | {{yes}} | {{yes}} | {{no}} | | | {{no}} | {{yes}} | {{yes}} |  |- ! [[Microsoft Virtual Server]] 2005 R2 | | {{no}} | {{yes}} | {{no}} | {{no}} | ? | {{yes}} | {{no}} |  |  |  |- ! [[Hyper-V|Microsoft Hyper-V Server]] 2008 R2 | {{yes}} | {{partial|Partial support over remote desktop connections}} {{ref|Hyper-V-USBRedirection}} | {{yes}} | {{yes}} | {{yes|DirectX 9.0c}} {{ref|Hyper-V-3DAcceleration}} (via [[RemoteFX]]) | {{yes}} branched | {{yes}} | {{yes}} |  |  | {{no}} |- ! [[Hyper-V|Microsoft Hyper-V Server]] 2012 R2 | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes|DirectX 9.0c}} {{ref|Hyper-V-3DAcceleration}} (via [[RemoteFX]]) | {{yes}} branched | {{yes}} | {{yes}} |  |  | {{no}} |- ! [[Virtuozzo]] | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{no}} | | | {{yes}} |  |  |  |- ! [[VMware ESX Server]] 3.0 atp | | | {{yes}} | | {{no}} | ? | {{yes}} | {{yes}} |  |  | {{no}} |- ! [[VMware ESX Server]] 2.5.3 | | | {{yes}} | | {{no}} | | | |  |  | {{no}} |- ! [[VMware ESX Server]] 4.0 – 6.x (vSphere) | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{no}} | {{no}} | {{yes}}<ref name=esxpci /> |- ! [[VMware Fusion]] 2.0 | {{yes}} | {{yes}} | {{yes}} | {{no}} | {{yes|[[DirectX]] 9 Shader model 2}} | | | {{no}} |  |  | {{no}} |- ! [[VMware Server]] | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{no}} | [[VMware Server|1]] | {{yes}} | {{no}} | {{yes}} | {{yes}} |  |- ! [[VMware Workstation]] 5.5 | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{partial|Experimental support for DirectX 8}}; also supported with [[VMGL]]<ref name="VMGL" /> | {{yes}} branched | {{yes}} | {{no}} | {{yes}} | {{yes}} | {{no}} |- ! [[VMware Workstation]] 6.0 | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{partial|Experimental support for DirectX 8}}; Also supported with [[VMGL]]<ref name="VMGL"/> | {{yes}} branched | {{yes}} | {{no}} | {{yes}} | {{yes}} | {{no}} |- ! [[VMware Workstation]] 7.0 and 8.0 | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes|Support for DirectX 9.0c Shader Model 3 and OpenGL 2.13D}}.<ref name="vmware3" /> | {{yes}} branched | {{yes}} | {{no}} | {{yes}} | {{yes}} | {{no}} |- ! [[VMware Player]] | {{yes}} | {{yes}} | {{yes}} | {{yes}} | supported with [[VMGL]]<ref name="VMGL"/> | {{no}} | {{no}} | {{no}} | {{yes}} |  | {{no}} |- ! [[Wind River Systems|Wind River]] hypervisor | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | | | {{no}} |  |  |  |- ! [[Wind River Systems|Wind River]] VxWorks MILS Platform | {{yes}} | | | | | | | |  |  |  |- ! [[Xen]] | {{yes}} | {{yes}}<ref name="xenproject1">{{cite web|url=https://wiki.xenproject.org/wiki/Xen_USB_Passthrough|title=Xen USB Passthrough|access-date=12 April 2018}}</ref> | {{yes}}<ref name="virt-manager" /> | {{yes}} | Supported with [[VMGL]]<ref name="VMGL"/> | ?  | {{yes}} | {{yes}} |  |  | {{yes}} |- !XCP-ng | {{yes}} | {{yes}} | {{yes}} | {{yes}} | | | {{yes}} | {{yes}} | | | |- ! [[XenServer]] | {{yes}} | | {{yes}}<ref name="virt-manager" /> | {{yes}} | Supported with [[VMGL]]<ref name="VMGL"/> | {{yes}} | {{yes}} | {{yes}} |  |  | {{yes}} |- ! [[z/VM]] | {{yes}} | Not applicable | {{yes}} (zURM/HMC) | {{yes}} | Not applicable | | | {{yes}} (2011) |  | Not applicable | Not applicable |- ! z [[LPAR]]s | {{yes}} | Not applicable | {{yes}} (HMC) | {{yes}} | Not applicable | | | {{yes}} (2007) |  | Not applicable | Not applicable |- |- class="sortbottom" ! Name ! Can boot an OS on another disk partition as guest ! USB ! GUI ! Live memory allocation ! 3D acceleration ! Snapshots per VM ! Snapshot of running system ! Live migration ! Shared folders ! Shared clipboard ! PCI passthrough |} * {{note|Hyper-V-USBRedirection}} Windows Server 2008 R2 SP1 and Windows 7 SP1 have limited support for redirecting the USB protocol over [[Remote Desktop Protocol|RDP]] using [[RemoteFX]].<ref name="technet1" /> * {{note|Hyper-V-3DAcceleration}} Windows Server 2008 R2 SP1 adds accelerated graphics support for certain editions of Windows Server 2008 R2 SP1 and Windows 7 SP1 using RemoteFX.<ref name="technet2" /><ref name="technet3" /> == Restrictions == This table is meant to outline restrictions in the software dictated by licensing or capabilities. {| class="wikitable sortable" style="font-size: smaller; text-align: center; width: auto; table-layout: fixed;" ! Name ! Maximum host cores / CPUs ! Maximum host memory ! Maximum host disk volume size ! Maximum number of guest VM running ! Maximum number of logical CPU per VM guest ! Maximum amount of memory per VM guest ! Maximum number of SCSI + IDE disks per VM guest ! Maximum disk size per VM guest |- ! [[Solaris Containers|Containers, or Zones]] | No theoretical limit (largest SPARC has 384 physical cores) | 32 TB (largest SPARC) | No limit | 8191 | No limit | No limit | No limit | No limit |- ! [[VMware Player]] 15.0<ref>{{Cite web |url=https://docs.vmware.com/en/VMware-Workstation-Player-for-Windows/15.0/workstation-player-15-windows-user-guide.pdf |title=Using VMware Workstation Player for Windows |date=2020-03-02}}</ref> | No limit | No limit | No limit | No limit | 16 | 4 GB (32-bit); 64 GB (64-bit) | ? | 8 TB |- ! [[VMware vSphere]] Hypervisor (ESXi 4.1)<ref name="vmware4" /> | 160 logical cores | 1 TB | 2 TB minus 512 bytes | 320 | 8 | 255 GB | 4 IDE; 60 SCSI | 2 TB minus 512 bytes |- ! [[VMware vSphere]] Hypervisor (ESXi 5.0)<ref name="vmware5" /> | 160 logical cores | 2 TB | 64 TB | 512 | 32 | 1 TB | 4 IDE; 60 SCSI | 2 TB minus 512 bytes |- ! [[VMware vSphere]] Hypervisor (ESXi 5.5) (free)<ref>{{cite web |url = http://www.vmware.com/uk/products/vsphere-hypervisor/gettingstarted.html |title = Free Virtualization with VMware vSphere Hypervisor (ESXi) |language = nl |publisher = Vmware.com |access-date = 2014-01-17 }}</ref> | 16 NUMA Nodes / 320 logical CPUs | 4 TB | Depending on filesystem | 512 | 8 | 1 TB | 4 IDE; 60 SCSI; 120 SATA | 62 TB |- ! [[VMware vSphere]] Hypervisor (ESXi 5.5)<ref name="vmware55" /> | 16 NUMA Nodes / 320 logical CPUs | 4 TB | Depending on filesystem | 512 | 64 | 1 TB | 4 IDE; 60 SCSI; 120 SATA | 62 TB |- ! [[VMware vSphere]] Hypervisor (ESXi 6.7)<ref name="vmware67" /> | 16 NUMA Nodes / 768 logical CPUs | 16 TB | Depending on filesystem | 1024 | 256 | 6128 GB | 4 IDE; 256 SCSI; 120 SATA; 60 NVMe | 62 TB |- ! [[VMware vSphere]] Hypervisor (ESXi 7.0)<ref name="vmware70" /> | 16 NUMA Nodes / 896 logical CPUs | 24 TB | Depending on filesystem | 1024 | 768 | 24 TB | 4 IDE; 256 SCSI; 120 SATA; 60 NVMe | 62 TB |- ! [[VirtualBox]] | No limit | No limit | No limit | No limit<ref name="virtualbox2" /> | 32 | No limit | 4 IDE; no limit for SATA, SCSI, SAS | GUI: 2 TB<br />Command line: no limit |- ! [[Hyper-V|Microsoft Hyper-V Server]] 2008 R2<ref name="technet5" /> | 64 cores / 8 CPUs<ref name="arstechnica" /> | 1 TB | No limit | 384 | 4 | 64 GB | 4 IDE; 256 SCSI | 2 TB |- ! [[Hyper-V|Microsoft Hyper-V Server]] 2012<ref name="technet4" /> | 320 cores / 64 CPUs<ref>{{cite web |url=https://support.microsoft.com/en-us/help/2812283/hyper-v-limits-the-maximum-number-of-processors-in-the-hyper-v-host-os |title=Hyper-V Limits the Maximum Number of Processors in the Hyper-V Host OS to 64 | access-date=2020-02-16 }}</ref> | 4 TB | No limit | 1024 | 64 | 1 TB | 4 IDE; 256 SCSI | 64 TB |- ! [[Hyper-V|Microsoft Hyper-V Server]] 2016<ref>{{cite web |url=https://docs.microsoft.com/en-us/windows-server/virtualization/hyper-v/plan/plan-hyper-v-scalability-in-windows-server |title=Plan for Hyper-V scalability in Windows Server 2016 and Windows Server 2019 |date=2016-09-28 |access-date=2020-02-16 }}</ref> | 512 cores / 320 CPUs | 24 TB | No limit | 1024 | 240 | 12 TB | 4 IDE; 256 SCSI | 64 TB |- ! Xen<br>XCP-ng<br>Xen Server<ref>{{cite web|url=https://wiki.xen.org/wiki/Xen_Project_Release_Features#Limits|title=Xen Project Release Features – Xen|website=wiki.xen.org|language=en|access-date=2018-08-14}}</ref><ref>{{cite web|url=https://wiki.xenproject.org/wiki/Xen_Project_4.19_Feature_List|title=Xen Project 4.19 Feature List - Xen|website=Wiki.xenproject.org|language=en|date=2024-07-30|access-date=2024-08-04}}</ref><ref>{{cite web|url=https://www.phoronix.com/news/Xen-4.19-Released|title=Xen 4.19 Released With New 9pfs Backend, Scales Up To 16,383 CPUs - Phoronix|website=[[Phoronix_Test_Suite#Phoronix_website|www.phoronix.com]]|language=en|date=2024-07-31|access-date=2024-08-04}}</ref><ref>{{cite web|url=https://www.linuxfoundation.org/press/xen-project-announces-performance-and-security-advancements-with-release-of-4.19|title=Xen Project Announces Performance and Security Advancements with Release of 4.19|website=[[Linux Foundation|www.linuxfoundation.org]]|language=en|date=2024-07-31|access-date=2024-08-04}}</ref> | 16383 CPUs<sub>x86</sub><br>8 CPUs<sub>ARM32</sub><br>128 CPUs<sub>ARM64</sub> | 16 TB<sub>x86</sub><br>16 GB<sub>ARM32</sub><br>5 TB<sub>ARM64</sub> | No limit | No limit | 512&nbsp;PV<sub>x86</sub>&nbsp;/&nbsp;128&nbsp;HVM<sub>x86</sub><br>8<sub>ARM32</sub><br>128<sub>ARM64</sub> | >1&nbsp;TB&nbsp;PV<sub>x86</sub>&nbsp;/&nbsp;1&nbsp;TB&nbsp;HVM<sub>x86</sub><br>16 GB<sub>ARM32</sub><br>1 TB<sub>ARM64</sub> | ? | ? |- ! Name ! Maximum host cores / CPUs ! Maximum host memory ! Maximum host disk volume size ! Maximum number of guest VM running ! Maximum number of logical CPU per VM guest ! Maximum amount of memory per VM guest ! Maximum number of SCSI + IDE disks per VM guest ! Maximum disk size per VM guest |} Note: No limit means no enforced limit. For example, a VM with 1 TB of memory cannot fit in a host with only 8 GB memory and no memory swap disk, so it will have a limit of 8 GB physically. == See also == * [[List of computer system emulators]] * [[Comparison of application virtualization software]] * [[Comparison of OS emulation or virtualization apps on Android]] * [[Popek and Goldberg virtualization requirements]] * [[Virtual DOS machine]] * [[x86 virtualization]] {{Virtualization software}} == Notes == {{Notelist |refs = <ref name="VMware ESX Server">Can run a guest OS without modifying it, and hence is generally able to run any OS that could run on a physical machine the VM simulates.</ref> }} == References == {{Reflist |refs = <ref name="arstechnica">{{cite web |last = Protalinski |first = Emil |url = https://arstechnica.com/information-technology/2009/08/microsoft-hyper-v-server-2008-r2-arrives-for-free |title = Microsoft Hyper-V Server 2008 R2 arrives for free |publisher = Ars Technica |date = 2009-09-01 |access-date = 2013-10-08 }}</ref> <ref name="bochs1">{{cite web |url = http://bochs.sourceforge.net/doc/docbook/user/supported-platforms.html |title = 1.8. Supported Platforms |website = Bochs.sourceforge.net |access-date = 2015-02-22 }}</ref> <ref name="bochs2">{{cite web |url = http://bochs.sourceforge.net/doc/docbook/user/compiling.html |title = 3.4. Compiling Bochs |website = Bochs.sourceforge.net |access-date = 2015-02-22 }}</ref> <ref name="bhyve1">{{cite web |url = https://wiki.freebsd.org/bhyve/Windows |title = Bhyve supports Windows |access-date = 2015-12-22}}</ref> <ref name="esxpci">{{cite web |title = VMware VMDirectPath I/O |url = http://communities.vmware.com/docs/DOC-11089 |access-date = 2012-05-12 }}</ref> <ref name="imperas">{{cite web |url = http://www.imperas.com |title = Welcome to |publisher = Imperas |date = 2014-03-12 |access-date = 2015-02-22 }}</ref> <ref name="Logical Domains">[[Logical Domains#Supported guest operating systems]]</ref> <ref name="kvm">{{cite web |url = http://www.linux-kvm.org/page/Migration |title = KVM Migration |access-date = 2010-05-20 }}</ref> <ref name="KVM">Look at [http://www.redhat.com/virtualization/rhev/desktop/rhevm/ RedHat] or [http://www.novell.com/linux/products.html#linuxvirtualization Novell] for details</ref> <ref name="linux-kvm">{{cite web |url = http://www.linux-kvm.org/page/PowerPC |title = PowerPC – KVM |website = Linux-kvm.org |access-date = 2015-02-22 }}</ref> <ref name="linux-kvm mainpage">{{cite web |url = http://www.linux-kvm.org/ |title = Main Page – KVM |website = Linux-kvm.org |access-date = 2013-10-08 }}</ref> <ref name="oracle">{{cite web |url = http://www.oracle.com/us/corporate/Acquisitions/virtualiron/ |title = Oracle and Virtual Iron |website = Oracle.com |date = 2009-05-13 |access-date = 2015-02-22 }}</ref> <ref name="princeton">{{cite conference |last = Soltesz |first = S. |title = Container-based Operating System Virtualization |book-title = EuroSys |publisher = ACM SIGOPS |year = 2007 |url = http://www.cs.princeton.edu/~soltesz/dl-eurosys07/eurosys07.pdf |display-authors = etal |access-date = 15 July 2014 |archive-url = https://web.archive.org/web/20140720215305/http://www.cs.princeton.edu/~soltesz/dl-eurosys07/eurosys07.pdf |archive-date = 20 July 2014 |url-status = dead }}</ref> <ref name="QEMU">{{cite web |url = http://www.claunia.com/qemu/old/index.php?case=1 |title = QEMU Official OS Support List Version 2.0 |website = Claunia.com |access-date = 2015-02-22 |archive-url = https://web.archive.org/web/20110815195153/http://www.claunia.com/qemu/old/index.php?case=1 |archive-date = 15 August 2011 |url-status = dead }}</ref> <ref name="vboxpci">{{cite web |url = http://www.virtualbox.org/manual/ch09.html#pcipassthrough |title = VirtualBox manual: PCI passthrough |access-date = 2012-05-12 }}</ref> <ref name="vboxguestadditionslic">{{cite web |url = https://www.virtualbox.org/wiki/Licensing_FAQ |title = What are "VirtualBox Guest Additions"? |access-date = 2019-04-12 }}</ref> <ref name="vboxguestadditionsintro">{{cite web |url = https://www.virtualbox.org/manual/ch04.html#guestadd-intro |title = Introduction to Guest Additions |access-date = 2019-04-12 }}</ref> <ref name="vbox300">{{cite web |url = http://www.virtualbox.org/wiki/Changelog-3.0 |archive-url = https://web.archive.org/web/20091203194915/http://www.virtualbox.org/wiki/Changelog-3.0 |archive-date = 2009-12-03 |title = VirtualBox Changelog 3.0 |access-date = 2009-06-30 }}</ref> <ref name="vbox310">{{cite web |url = http://www.virtualbox.org/wiki/Changelog-3.1 |title = VirtualBox Changelog 3.1 |access-date = 2010-10-01 |url-status = dead |archive-url = https://web.archive.org/web/20100928210932/http://www.virtualbox.org/wiki/Changelog-3.1 |archive-date = 28 September 2010 }}</ref> <ref name="virt-manager">{{cite web |url = http://virt-manager.et.redhat.com/ |title = Virtual Machine Manager |access-date = 2010-02-20 |archive-url = https://web.archive.org/web/20070610012015/http://virt-manager.et.redhat.com/ |archive-date = 10 June 2007 |url-status = dead }}</ref> <ref name="virtualbox">Oracle VM VirtualBox User Manual, [http://www.virtualbox.org/manual/ch03.html#intro-macosxguests Chapter 3: Configuring virtual machines | {{nowrap|Mac OS X}} guests]</ref> <ref name="virtualbox2">{{cite web |url = http://www.virtualbox.org/manual/ch01.html |title = Chapter 1. First steps |website = Virtualbox.org |access-date = 2015-02-22 }}</ref> <ref name="virtualbox4">{{cite web |url = http://www.virtualbox.org/manual/ch09.html#rawdisk |title = Chapter 9. Advanced topics |website = Virtualbox.org |access-date = 2013-10-08 }}</ref> <ref name="vmware">{{cite web |url = http://www.vmware.com/products/player/faqs.html |title = VMware Player Pro FAQs: Create and run virtual machines {{pipe}} United States |website = Vmware.com |date = 2014-10-17 |access-date = 2015-02-22 }}</ref> <ref name="vmware3">{{cite web |url = http://www.vmware.com/products/workstation/new.html |title = VMware Workstation Features, Multiple OS, Run Linux on Windows – United States |website = Vmware.com |access-date = 2013-10-08 }}</ref> <ref name="vmware4">{{cite web |url = http://www.vmware.com/pdf/vsphere4/r41/vsp_41_config_max.pdf |title = Configuration Maximums : Sphere 4.1 |website = Vmware.com |access-date = 2015-02-22 }}</ref> <ref name="vmware5">{{cite web |url = http://www.vmware.com/pdf/vsphere5/r50/vsphere-50-configuration-maximums.pdf |title = Configuration Maximums : Sphere 5.0 |website = Vmware.com |access-date = 2015-02-22 }}</ref> <ref name="vmware55">{{cite web |url = https://www.vmware.com/pdf/vsphere5/r55/vsphere-55-configuration-maximums.pdf |title = Configuration Maximums VMware vSphere 5.5 |publisher = VMWare Inc. |date = 2013-10-30 |access-date = 2013-12-23}}</ref> <ref name="vmware67">{{cite web |url = https://configmax.vmware.com/guest?vmwareproduct=vSphere&release=vSphere%206.7&categories=1-0,2-0 |title = VMware Configuration Maximum tool |publisher = VMWare Inc. | access-date = 2020-01-06}}</ref> <ref name="vmware70">{{cite web |url = https://configmax.esp.vmware.com/guest?vmwareproduct=vSphere&release=vSphere%207.0&categories=1-0,2-0 |title = VMware Configuration Maximum tool |publisher = VMWare Inc. | access-date = 2022-01-27}}</ref> <ref name="vmware9">[http://www.vmware.com/products/player/features.html#c6062 ] {{webarchive |url = https://web.archive.org/web/20080810102221/http://www.vmware.com/products/player/features.html#c6062 |date = 2008-08-10 }}</ref> <ref name="VMGL">{{cite web |url = http://www.cs.toronto.edu/~andreslc/xen-gl |title = VMGL (formerly Xen-GL) |url-status = dead |archive-url = https://web.archive.org/web/20071104122707/http://www.cs.toronto.edu/~andreslc/xen-gl/ |archive-date = 2007-11-04 }}</ref> <ref name="sheepdog">{{cite web |url = http://www.osrg.net/sheepdog/ |title = Sheepdog is a distributed storage system for KVM |access-date = 2010-05-20 |archive-url = https://archive.today/20130222073348/http://www.osrg.net/sheepdog/ |archive-date = 22 February 2013 |url-status = dead }}</ref> <ref name="technet1">{{cite web |url = https://technet.microsoft.com/en-us/library/ff817581(WS.10).aspx |title = Configuring USB Device Redirection with Microsoft RemoteFX Step-by-Step Guide |website = Technet.microsoft.com |date = 2011-02-16 |access-date = 2013-10-08 }}</ref> <ref name="technet2">{{cite web |url = https://technet.microsoft.com/en-us/library/ff817578(WS.10).aspx |title = Microsoft RemoteFX |website = Technet.microsoft.com |date = 2011-02-23 |access-date = 2013-10-08 }}</ref> <ref name="technet3">{{cite web |url = https://technet.microsoft.com/en-us/library/ff817602(WS.10).aspx |title = Hardware Considerations for RemoteFX |website = Technet.microsoft.com |date = 2011-02-08 |access-date = 2013-10-08 }}</ref> <ref name="technet4">{{cite web |url = https://technet.microsoft.com/en-us/library/jj680093.aspx |title = Hyper-V Scalability in Windows Server 2012 |website = Technet.microsoft.com |access-date = 2015-02-22 }}</ref> <ref name="technet5">{{cite web |url = https://technet.microsoft.com/en-us/library/ee405267(WS.10).aspx |title = Requirements and Limits for Virtual Machines and Hyper-V in Windows Server 2008 R2 |access-date = 2015-02-10 }}</ref> <ref name="unf.edu">{{cite web |url = http://digitalcommons.unf.edu/cgi/viewcontent.cgi?article=1275&context=etd |title = A Performance Comparison of Hypervisors for Cloud Computing |website = Digitalcommons.unf.edu |access-date = 2015-02-22 }}</ref> <ref name="rhel.kvm.arm">{{cite web |url = https://access.redhat.com/articles/2690601&context=etd |title = Development Preview of KVM Virtualization on Red Hat Enterprise Linux Server for ARM |website = redhat.com |access-date = 2017-05-15 }}</ref> |colwidth = 30em }} [[Category:Software comparisons|Platform virtualization software]] [[Category:Virtualization software| ]] [[Category:Platform virtualization software| ]] </textarea><div class="templatesUsed"><div class="mw-templatesUsedExplanation"><p><span id="templatesused">Pages transcluded onto the current version of this page<span class="posteditwindowhelplinks"> (<a href="/wiki/Help:Transclusion" title="Help:Transclusion">help</a>)</span>:</span> </p></div><ul> <li><a href="/wiki/Template:Category_handler" title="Template:Category handler">Template:Category handler</a> (<a href="/w/index.php?title=Template:Category_handler&action=edit" title="Template:Category handler">view source</a>) (protected)</li><li><a 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