ahahah saweet and you bet your butt i will OC them =p.
It will beat an HD5870 by ~5%, especially if you overclock the both of them.
Unless it's one of the many game where Crossfire doesnt scale well.
Best answer selected by reaper23.
true but i bet Battlefield Bad company 2 scales well with crossfire since atm i am running two single carded 3870's on crossfire and i cna play in all medium and HBOA option is ON and no fps lag at all.