PCI-express Crossfire perfomance in 3.0 vs 2.0

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killer226

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Sep 15, 2012
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I am looking at good Z87 motherboard, specifically Asrock z87 extreme4, it has 3x PCI-express 3.0, whereas other has 1x PCi-e 3.0 and 1 x PCI-e 2.0, is there any Crossfire perfomance differences between those 2? thanks
 
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To be a little more clear on the answer legend provided, multi GPU performance is based on two things only.
1. The card itself, some cards support multi GPU configurartions and scale up in performance in these situations better than others, for instance the GTX 770 (% of 2nd GPU leveraged) works better in SLI than two Titans.
2. The number of available lanes your CPU and Motherboard Support, Socket 2011 currently has the most lanes available and to my knowledge is the only one to support two GPU's at x16, most socket 1150 motherboards run one GPU a x16 and one at x8, or three at x16 x4 x4, etc.
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Xibyth

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Mar 22, 2014
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To be a little more clear on the answer legend provided, multi GPU performance is based on two things only.
1. The card itself, some cards support multi GPU configurartions and scale up in performance in these situations better than others, for instance the GTX 770 (% of 2nd GPU leveraged) works better in SLI than two Titans.
2. The number of available lanes your CPU and Motherboard Support, Socket 2011 currently has the most lanes available and to my knowledge is the only one to support two GPU's at x16, most socket 1150 motherboards run one GPU a x16 and one at x8, or three at x16 x4 x4, etc.
 
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