On even my old machine I tried running UT 2004 on Windows then natively on Linux then on Wine on Linux and Linux beat the performance on Windows hands down. I'

On even my old machine I tried running UT 2004 on Windows then natively on Linux then on Wine on Linux and Linux beat the performance on Windows hands down. I'm not the only one, when Valve ported their engine to Linux the performance was higher, I believe I read recently it's still higher than on Windows. edit: I use nVidia graphics cards and the restricted drivers in the Ubuntu repository, old machine and my new one.