| Comparison | VirtualBox | VMware |
|---|---|---|
| Software Virtualization | Yes | No |
| Hardware Virtualization | Yes | Yes |
| Host Operating Systems | Linux, Windows, Solaris, macOS, FreeBSD | Linux, Windows + macOS (requires VMware Fusion) |
| Guest Operating Systems | Linux, Windows, Solaris, macOS, FreeBSD | Linux, Windows, Solaris, FreeBSD + macOS (with VMware Fusion) |
| User Interface | Graphical User Interface (GLI) and Command Line Interface (CLI) | Graphical User Interface (GLI) and Command Line Interface (CLI) |
| Snapshots | Yes | Snapshots only supported on paid virtualization products, not on VMware Workstation Player |
| Virtual Disk Format | VDI, VMDK, VHD, HDD | VMDK |
| Virtual Disk Allocation Type | Preallocated: fixed disks; Dynamically allocated: dynamically allocated disks; | Preallocated: provisioned disks; Dynamically allocated: thin provisioned disks; |
| Virtual Network Models | Not attached, NAT, NAT Network, Bridged adapter, Internal network, Host-only adapter, Generic (UDP, VDE) | NAT, Bridged, Host-only + Virtual network editor (on VMware workstation and Fusion Pro) |
| USB Devices Support | USB 2.0/3.0 support requires the Extension Pack (free) | Out of the box USB device support |
| 3D Graphics | Up to OpenGL 3.0 and Direct3D 9; Max of 128 MB of video memory; 3D acceleration enabled manually | Up to OpenGL 3.3, DirectX 10; Max of 2GB of video memory; 3D acceleration enabled by default |
| Integrations | VMDK, Microsoft’s VHD, HDD, QED, Vagrant, Docker | Requires additional conversion utility for more VM types; VMware VSphere and Cloud Air (on VMware Workstation) |
| VirtualBox Guest Additions vs. VMware Tools | Installed with the VBoxGuestAdditions.iso file | Install with a .iso file used for the given VM (linux.iso, windows.iso, etc.) |
| API for Developers | API and SDK | Different APIs and SDKs |
| Cost and Licenses | Free, under the GNU General Public License | VMware Workstation Player is free, while other VMware products require a paid license |
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