OC Workbench posted a review on the ATI X1950 video card
The Radeon X1950 Series is a continuation of the successful Radeon X1900 Series. The Radeon X1950 Series are the first products to offer GDDR4 memory at the consumer level. With high speed GDDR4 memory, gamers can achieve even higher performance, especially at ultra-high quality settings and resolutions.ATI X1950 XTX Review
Just like its predecessor, the Radeon X1950 series offers 48 powerful pixel shader processors which provide the fastest performance in games and other 3D applications that make extensive use of pixel shaders. Other features exclusive to ATI's robust Radeon X1000 line of products include AvivoT Technology, 3DC+, full precision rendering and many more.
There are two versions to the X1950 graphics card. The first is the standard card and the other is the CrossFire edition aka master card. Both cards have a core speed of 650MHz and a memory speed of 2GHz. It has 48 Pixel Shader processors and 8 vertex shaders. The X1950 Series promises faster performance than Quad Sli with only half the processors for ultimate gaming experience. It also supports high Dynamic range +AA, Super AA. It also supports the latest HD Video formats and VISTA drivers.