The x1950gt can do internal crossfire, I would say that is better. I have the r580 core and I can say I wish I had the R570 X1950 pro 512mb that I originally wanted. Still I am happy with what I got. If you really want the x1900gt go to ebay they have a ton of rev 1 cards that clock better than rev 2. Oh and the R570 was an original designe, the R580 on gt cards are ones that couldn't make it as XT's.