ATI points out in the changelog that Catalyst 9.5 is a unified graphics driver that has received WHQL certification for both Windows 7 and Windows Vista. It delivers full WDDM 1.1 WHQL certified support under Windows 7 on the ATI Radeon HD 4000 Series, ATI Radeon HD 3000 Series, and ATI Radeon HD 2000 series of products.
The driver promises some performance gains:
And an update for the ATI Video encoder is also included:
Unigine Tropics DX9 – performance gains of up to 11% for single GPU and ATI CrossFireX™ configurations with anti-aliasing enabled Company of Heroes – performance gains of up to 10% for both single GPU and ATI CrossFireX™ configurations BattleForge – performance gains of up to 10% for ATI CrossFireX™ configurations
ATI Catalyst 9.5 resolves a number of issues previously seen in the ATI Video Converter and is supported under Windows Vista 32-bit and Windows Vista 64- bit Using ATI Stream technology, owners of ATI Radeon™ HD 4800 Series and ATI Radeon™ HD 4600 Series of graphics cards can take advantage of this video conversion tool (found in ATI Catalyst™ Control Center Basic View) to achieve substantial performance improvements when transcoding video files