How big of a bottleneck will GTX 980ti cause on LGA1366, PCIe 2.0?

zigzag1

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Jun 1, 2015
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I'm currently running on Intel Core i7 920 2.66 GHz Socket LGA1366 CPU and Asus Socket 1366 P6T Deluxe v2 Motherboard with PCIe 2.0 x16.

My current GPU is Gigabyte RADEON HD 5850 1GB and I'm thinking, it's time to replace that with the new GeForce GTX 980ti. I'm concerned that there will be a bottleneck. If it's a small one, I don't really mind. Could any of you tell me how big of a bottleneck if any I would get with this setup?

Much appreciated and thanks in advance.
 
Solution
Just like renz says, its the cpu which will be the bottleneck, not PCI-e 2.0

A decent CPU cooler and some overclocking will help a lot, if you can get 4.0ghz out of it you shouldn't have much of a cpu bottleneck.

griffon9

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Feb 21, 2015
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You will definitely get bottleneck. Don't listen to these fools that say otherwise. I got bottlenecked by i7 860 with my gtx 970 until I replaced it with Haswell i5, the GPU usage was only like 60% and some of the graphics are blurry and with the new CPU and GPU usage hit 100% and all was good.