Quote Originally Posted by zerazax View Post
Well this PR slide that was leaked for the R700 in CFX shows 750Mhz clock. Not sure if they backed it down for release due to TDP or power draw or whatever, but this is what we had a few weeks ago that was leaked:

If the score is true, then it looks like 4870x2 in crossfire scale very well since a single 4870 gets around 3600 on the extreme preset so theoretically, 4 of the 4870 would give 14400. The test shows 12515 which means about 87% efficiency, at least on 3d mark vantage.