| | 1 | = !VirtualBox vs. VMware vs. Parallels = |
| | 2 | |
| | 3 | || '''Feature''' || '''!VirtualBox''' || '''Parallels Workstation / Desktop''' || '''VMware Server / Workstation''' || |
| | 4 | |
| | 5 | || Supported host operating systems || Windows 2000, XP, 2003, Vista, Linux, OS X (under development), Solaris (under development), FreeBSD (under development) || Windows 2000, XP, 2003, Vista, Linux, OS X || Windows 2000, XP, 2003, Vista, Linux (32bit and 64bit), OS X (beta) || |
| | 6 | |
| | 7 | || Supported guest operating systems || DOS, Windows 3.1, 95, 98, NT, 2000, XP, Vista, Linux, OpenBSD, FreeBSD, OS/2, Solaris, others || DOS, Windows 3.1, 95, 98, NT, 2000, XP, Vista, Linux, OS/2 || DOS, Windows 3.1, 95, 98, NT, 2000, XP, Vista, Linux, FreeBSD, Solaris || |
| | 8 | |
| | 9 | || 64bit host OS support || yes || no || yes || |
| | 10 | |
| | 11 | || 64bit guest OS support || no (planned) || no || yes || |
| | 12 | |
| | 13 | || Intel VT-x support (CPU virtualization extensions) || yes || yes || limited || |
| | 14 | |
| | 15 | || AMD-V support (CPU virtualization extensions) || yes || yes || limited || |
| | 16 | |
| | 17 | || Virtual network cards || up to 4 || 1 || up to 4 || |
| | 18 | |
| | 19 | || USB support || yes || yes || yes || |
| | 20 | |
| | 21 | || iSCSI support (VMs can directly access storage servers over iSCSI) || yes || no || no || |
| | 22 | |
| | 23 | || Serial ports || up to 4 || up to 4 || yes || |
| | 24 | |
| | 25 | || Parallels ports || no || up to 4 || yes || |
| | 26 | |
| | 27 | || CD/DVD writing || yes || no || no || |
| | 28 | |
| | 29 | || 3D acceleration || no || no || limited || |
| | 30 | |
| | 31 | || Support of VMware images || yes || no || n/a || |
| | 32 | |
| | 33 | || Support of Virtual PC images || no (planned) || no || no || |
| | 34 | |
| | 35 | || Headless operation || yes || no || yes || |
| | 36 | |
| | 37 | || Remote VM access || Integrated RDP server || no || limited || |
| | 38 | |
| | 39 | || Remote USB support || Yes, arbitrary devices || no || no || |
| | 40 | |
| | 41 | || API || Full API, 100% scriptable || no || yes || |
| | 42 | |
| | 43 | || Open source || Yes (dual licensed, some enterprise features are closed source) || no || no || |
| | 44 | |
| | 45 | || License costs || Free in most cases, otherwise €100 / $130 || $49.99 for Windows/Linux, $79.99 for Mac OS X || Workstation around $199, Server free for end users, not redistributable || |
