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Bochs vs QEMU

Bochs

6.1#25 in emulator softwareFree plan
Free planLinuxmacOSWindows
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QEMU logo

QEMU

7.6#3 in emulator softwareFree plan
Free planAPILinuxmacOSSelf-hosted
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What both publish

FactBochsQEMU
InstallationUsers can install a binary package or compile from source, and some features such as the debugger may require compiling Bochs themselves.Linux distributions package QEMU, while macOS users can install it through Homebrew or MacPorts.
LicenseThe Bochs Project distributes Bochs under the GNU Lesser General Public License.QEMU and its manual are released under GNU General Public License version 2, although some components have specific licenses.

Bochs plans

  • BochsFree

QEMU plans

  • QEMUFree

Pick Bochs if…

Bochs suits users who need to emulate x86 hardware and are prepared to configure virtual hardware and install a guest operating system themselves.

Pick QEMU if…

QEMU suits users who need whole-machine emulation, cross-architecture process execution, or disk-image utilities. It is available across several platforms, with specific Windows and macOS requirements.

Charts they share