http://bugs.winehq.org/show_bug.cgi?id=11364
--- Comment #2 from Rico kgbricola@web.de 2008-03-16 11:54:08 --- I think it is nearly the same on windows. I tested with a demo version from a game which I packed. The cpu usage was about 90% (windows has 100% max, each core 50% on a dual core system). So winrar on windows doesn't reach the 100%!