NVIDIA 2012 Linux Graphics Driver Year-In-Review
Kicking things off with Doom 3, there's basically no performance change to look at for this aging id Tech 4 game that isn't demanding when using the proprietary AMD/NVIDIA Linux graphics drivers.
Lightsmark shows the OpenGL performance going up between the 304.xx and 310.xx Linux series where NVIDIA acknowledged the significant performance improvements. However, there was a significant performance regression from the NVIDIA 295.xx to 302.xx driver series for this OpenGL lighting benchmark and the 310 improvements largely even out this earlier regression.
There wasn't much to see out of Nexuiz for the Fermi graphics card...