GTX 780 Ti in PCIe 2.0 slot

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Adorician

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Nov 7, 2013
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So I will be putting an EVGA GeForce GTX 780 Ti in my new build (work on it has recently stopped and restarted due to a lack of funds), which has a PCIe 3.0 interface (according to the manufacturer's website). But... I will be using an AMD FX-8350 processor, and I can't seem to find any motherboards that have *both* an AM3+ CPU socket and a PCIe 3.0 slot. As a matter of fact, the only motherboards that I can find with PCIe 3.0 have Intel sockets.

My question is, can I get away with putting a GTX 780 Ti in a PCIe 2.0 slot without being severely bottlenecked by bandwith, or do I need to buy a different motherboard (and, thus, an Intel processor).
 
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coastie65


If your Budget permits it, best to go Intel with the proper bus. Having said that...
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coastie65

coastie65

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May 26, 2010
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If your Budget permits it, best to go Intel with the proper bus. Having said that, the performance hit isn't all that much. About 10% or so, if that.
 
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Kekoh

Kekoh

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Mar 21, 2014
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You won't be affected, as long as the 2.0 is x16. I looked up benchmarks for the 780 Ti and it is a 1% difference for GTX 660 and HD 7970 between PCI-e 2.0 and 3.0.

Interesting to learn though. I was not aware AMD didn't have any PCI-e 3.0 slots. Doesn't really matter with current hardware though.
 
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