6600GT will beat 9800 pro in any game unless its limited by either bandwidth or raster ops. The two engines that come straight to mind are UT2k4 & derivatives such as republic commando (extreme amount of textures) and for the second case... splinter cell and its sequels (cos 6600GT can only do 4 raster ops/cycle).MaxX said:for games like doom3 6600gt is almost double the speed of 9800pro and even in others games its beats the 9800 pro.
6600gt also has sm3.0 shaders which are a generation ahead than on 9800pro