Ciao, io ho una 8400GS e ho installato i driver 177.80.
Ti posto le mie prestazioni
codice:
antonio@debian:~$ glxgears  
9212 frames in 5.0 seconds = 1842.389 FPS 
9147 frames in 5.0 seconds = 1829.327 FPS 
8840 frames in 5.0 seconds = 1767.825 FPS 
9853 frames in 5.0 seconds = 1970.443 FPS 
9317 frames in 5.0 seconds = 1863.381 FPS 
9680 frames in 5.0 seconds = 1935.890 FPS