This means if you want to simply emulate or virtualize something real quick to show a friend, or if you are a less tech savvy person, you may not have an easy time using this software.Īnother issue is that KVM and VFIO don't have support on Windows. The only real complaints about QEMU that I can think of are all related to the Windows version.įirst, there is no GUI that comes with QEMU on any system you run it on. Review collected by and hosted on G2.com. There are probably 1,000 reasons to use QEMU (like Xbox support with XQEMU), but for now I will just say it is probably the best system virtualization package available at the moment. QEMU can not only virtualize environments, but can also do things that make using QEMU easy for beginners, things like hard drive image creation and disc image creation. If your CPU supports hardware virtualization, expect at least 95% of performance consistently. QEMU on Linux can run Windows at near native performance with VFIO, KVM, and a few other technologies switched on.

Especially considering that before QEMU you couldn't really run any of those systems well on Windows or Linux. Other systems, like Unix and OS/2 and the like, run great as well. Operating system support is fantastic as well, with Windows, Linux, and even Mac running fairly well. CPU emulation is stable for all platforms you can run QEMU on, and most systems run flawlessly. x86, ARM, PowerPC, and even some obscure RISC chips and custom chips. The thing about QEMU is that it has so many things to like!įirst of all, it emulates pretty much any CPU you can think of.

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