*Source: HotHardware (
http://www.hothardware.com/Articles/...Performance/)*
___________
DirectX 10 (DX10) has been one of the hottest topics for discussion and news coverage since the first DX10 compliant hardware appeared in the second half of last year. Touted as the biggest milestone in games development since programmable shaders were introduced with DirectX 8, nearly seven years ago, DX10 has generated a lot of buzz. Unlike the older versions of DirectX which were each built on top of the previous version, DirectX 10 is a completely new beast. With Windows Vista, Microsoft fundamentally changed the way drivers are designed, and they also completely redesigned DirectX from the ground up.
More...