I found this article. Maybe that explains it. For me numbers fit as they say. Drom from ~1000 fps to 440 fps in glxgears.
http://qa-rockstar.livejournal.com/7869.html -- [i945] 2.5.1 driver poor performance https://bugs.launchpad.net/bugs/303011 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
