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6870 cfx on x4/x16

post #1 of 5
Thread Starter 
i have a p55usb3 mobo with one 2.0 pcie x16 and one pcie 1.0 x4
how much reduction will i get from 6870 cfx,compare to x16/x16 pcie 2.0!!!! or should i go get a better mobo??? asus sabertooth p55 ???
post #2 of 5
P55-USB3 is not a good board for crossfire configurations. The second PCI-E is x4, and not 2.0, therefore you should expect significant performance loss.

There was a review in tomshardware which concluded a total average 30% performance loss compared to x16 x16 2.0.
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post #3 of 5
This is not the correct section mate,
Ask your question at the right section and you will receive more answers!
    
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post #4 of 5
Welcome to OCN!
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post #5 of 5
Welcome. x8/x8 is better than x16/x4...
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