As I suspected
Still, it's a little odd isn't it? I mean, all the hype aside the two card brands are nearly identical in performance, with a few pluses and minuses on each side, yet Dom2 has put a huge performance gap in between.
I wonder if Ilwinter knows about the problem, and if they do, have they reported the issue to ATI? The latest ATI driver alone lists fixes for two specific games, so why not for Dom2?