Quote Originally Posted by hurrdurr View Post
HD5870's TDP was 180W, 5970's was 300W. And yet 5970 was only 40% percent faster than 5870 on average.

If the case is 255W vs 300W, even with improved CF scaling I don't think a 40% figure is possible.

they said they had some sort of buffer chip on the boards and other stuff so it might be possible to have such performance .. but i guess we will have to wait for proper reviews