Quote Originally Posted by Solus Corvus View Post
As for driver improvements, it's just a suspicion of mine. That a chip with the same number of shaders, higher clocks, and higher bandwidth would consistently score lower then a 4870x2 (much less 4890CF) even though it doesn't have to interface through CF doesn't seem right. You keep mentioning a barely changed architecture - then where does the performance discrepancy come from?
4870x2 can set up 2 triangles per clock. 5870 can set up 1 triangle per clock. you can see in synthetics that geometry shader is the same.