Catalyst 5.7/4.12 and Forceware 66.81
Image quality is very much the same for Catalyst 4.12 and 5.7, but we're using the screenshots under 5.7 in comparison to Forceware 66.81 which lacks both bugs (image quality and performance), plus it has s sharper feel for Nascar 2003.
Call of Duty
Catalyst 5.7
Forceware 66.81
While there are differences between NVIDIA's default quality and ATI's High Quality image, they are not noticeable (especially in motion). The same with 4x AA and 16x AF screenshots.
Splinter Cell
Catalyst 5.7
Forceware 66.81
No difference between the drivers for both default (Texture Preference: high quality/ MIP Detail Level: high quality on Catalyst and Image Settings: Quality on Forceware) and 16x AF screenshots.
F1 Career Challenge
Catalyst 5.7
Forceware 66.81
Except for the sky, trees and tires there are no difference. In the 4x AA and 16x AF screenshots, it's hardly noticeable in motion but in still images the Forceware 66.81 is sharper. Catalyst 5.7 have a smoother image.
Nascar 2003
Catalyst 5.7
Forceware 66.81
A small, barely noticeable difference can be seen on the side car's front right tire. On 4xAA and 16x AF screenshots, there's no noticeable differences, but again the 66.81 has a sharper feel while Catalyst 5.7 maintains a smooth image.
So image quality wise, the Forceware 77.72 used by the GeForce 6600GT differs a lot with Catalyst 5.7 (and of course Catalyst 4.12) used by the Radeon X700 Pro or even Forceware 66.81. Noticeable differences in default image quality are present in Nascar 2003. In Nascar 2003, with 4x AA and 16x AF, these differences are not noticeable (Catalyst 5.7 slightly sharper compared to Forceware 77.72).
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