I
Bet you 2*2900XTs in crossfire would be faster than a 3870x2.
due to the 512 bus.
I don't agree at all. I have a p35 mobo .
I had two 3870s in crossfire on my board and i didn't get much speed increase with the second pcie slot at 4x.
You would defo get better performance with one 3870x2 in a 16x slot.
If you had an x38;x48 then that maybe would be a different matter

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