http://support.amd.com/us/kbarticles/Pa ... mance.aspx
Highlights of the AMD Catalyst 11.11b driver
(It includes all of the updates found in AMD Catalyst 11.11a + the additions high-lighted below):
Elder Scrolls Skyrim
o New in Catalyst 11.11b: Delivers AMD CrossFire performance scaling for AMD Radeon HD 6000 Series
§ AMD Radeon HD 5000 CrossFire support will be supported soon in an updated driver
o Improves performance 2-7% on single GPU configurations
o Resolve corruption seen when enabling Multi-Sample Anti-Aliasing on the AMD Radeon HD 6970 Series
Assassin’s Creed: Revelations
o New in Catalyst 11.11b: Delivers AMD CrossFire performance scaling
Batman Arkham City
Improves DirectX 11 performance for single GPU configurations
Rage
o Delivers AMD CrossfireX performance scaling
o Resolves a number of image / stability issues seen with the title:
§ Fix geometry corruption, sometimes seen in Bash TV entrance
§ Fix issues with Low-memory conditions on 32bit systems.
§ Fix issue with extreme corruption with missing textures on 32bit systems.
§ Fix memory leaks when deleting/reusing sync objects.
§ Fix hitching and pausing, especially noticeable on some Quad Core systems when doing races and Stanley Express runs.
§ Fix some missing shadows
Battlefield 3
o Resolves intermittent corruption seen when playing the game at specific camera angles