http://www.ati.com/
http://www2.ati.com/drivers/Catalyst...ase_notes.html
Performance Improvements
As with most Catalyst™ releases, performance has increased in various situations. The following performance gains are noticed with Catalyst™ Software Suite 5.6.
* Doom3: A performance gain of up to 7% is noticed at lower resolutions as a result of more efficient memory use
* Chronicles of Riddick: A performance gain of up to 10% is noticed as a result of more efficient storage of vertex data
* Halo: A performance gain of up to 20% is noticed as a result of generic driver Z-optimizations
* 3DMark05: A performance gain of up to 5% is noticed as a result of generic driver Z-optimizations
