Summary: So AMD Catalyst 11.12 Beta drivers improve performance with 4.4% over 11.11 WHQL and 1% over 11.11a Performance Driver.
I don't really pay attention to performance improvements, as a 10% improvement in a game which gets 40FPS is still just 44fps and 50fps is just 55fps, the most important things are issues being fixed, such as corrupted textures and whatnot. Numbers just look good for the media.
By the way stumped might want to move the decimal point in your signature, 33.33ghz i7?
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Crosshair IV Formula, Phenom II x4 965 w/ Corsair H60, 8 GiB OCZ Platinum DDR3 1600, XFX HD 7970 Ghz, 512GB Vertex 4, 256GB Vector, 240GB Agility 3, Creative X-Fi Titanium w/ Creative Gigaworks S750, SeaSonic X750, HP ZR2440w, Win 7 Ultimate x64