Quake 3
Gentoo native the FPS is 400.7 demo 1 Wine 0.9.1 FPS 339.6 demo 1
By native do you mean the linux client for Quake 3? If so then that's not a very accurate benchmark comparison. The linux client is written specifically for linux and the calls are directly into the system, whereas with wine the calls go through the wine layer and then to the system. The best comparison would be the fps from running quake 3 on windows and the fps from the same executable run in wine.
-- James Hawkins