Yesterday AMD/ATI released there monthly driver software with the announcement of windows 7 RTM. Being the first WHQL dirver for windows 7 RTM it had many inprovments. The following is from the release notes. You can get the drivers here.
ATI Video encoder update – support for Windows 7
ATI Catalyst™ 9.7 introduces support for the ATI Video converter under Windows 7 32-bit
and Windows 7 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.Catalyst™ 9.7 brings performance benefits in several cases where framerates are CPU-
limited. Some measured examples are:Crysis – performance at very high quality preset increases by up to 8% on HD4800 series products
Lost Planet Colonies – performance increases by 7-11% when 8x Anti-Aliasing is used on
the HD4800 series products.
