Feature Highlights of AMD Catalyst 13.4
-Support added for AMD Radeon HD7790 and AMD Radeon HD 7990
-Catalyst Driver optimizations to improve performance in Far Cry 3, Crysis 3, and 3DMark
-Significantly improves latency performance in Skyrim, Boderlands 2, Guild Wars 2, Tomb Raider and Hitman Absolution
-Performance gains seen with the entire AMD Radeon HD 7000 Series for the following:
*Batman Arkham City (1920×1200): Performance improvements up to 5%
*Borderlands 2 (2560×1600): Performance improvements up to 10%
*Quake Wars (1920×1200): Performance improvements up to 13%
*Hitman Absolution (2560×1600): Performance improvements up to 11%
*Wolfenstein MP (1920×1080): Performance improvements up to 11%
*Civilization V (2560×1600): Performance improvements up to 5%

Resolved Issues
This section provides information on resolved known issues in this release of the AMD’s Catalyst Software Suite, AMD Catalyst 13.4
-With the Radeon HD7790 graphics card, corruption may be seen in the game Tomb Raider with TressFX enabled
-Texture flickering may be observed in DirectX 9.0c enabled applications
-Corruption observed in Tomb Raider with TressFX enabled for AMD Crossfire and single GPU system configurations
-Corruption observed on objects and textures in the game, Call of Duty – Black Ops 2
-Corruption observed in the game, Alan Wake (DirectX 9 Mode) when attempting to change in-game settings with Stereoscopic 3D using Tridef
-Corruption observed on textures in the game, Battle Field: Bad Company 2 with forced anti-aliasing enabled
-Adobe Photoshop CS6 experiences screen flicker under Windows 8 based system
-Horizontal line corruption may be observed with forced anti-aliasing enabled in the game, Dishonored
-System hang may occur when scrolling through the game selection menu in the game, DiRT 3
-F1 2012 may crash to desktop on systems supporting AMD PowerXpress (Enduro) Technology

Feature Highlights of the AMD Catalyst 13.5 Beta Driver for Windows
-Performance gains seen on the entire AMD Radeon HD 7000 Series for the following:
*Far Cry 3: Improves performance up to 4% with Anti-Aliasing enabled
*Shogun II: Improves performance up to 20% with 8x Anti-Aliasing enabled
*Tomb Raider: Improves performance up to 6%
*Bioshock: Improves performance up to 6%
*Borderlands 2: Improves performance up to 17%
-Corruption is no longer seen on the AMD Radeon HD 7790 when TressFX is enabled in Tomb Raider