The Open-Source Linux Graphics Card Showdown
Warsow 0.61 is another one of the more-demanding open-source Linux games and it's the only test based upon the Qfusion engine. The i7-3770K lost out to the 9800GT and GT 220, but faired better than all of the Radeon competition.
The Intel Core i7 3770K faired better than all of the Radeon hardware but lost out on power efficiency just to the GeForce GT 220 for Warsow.