Will putting a PCIe 3.0 GPU into a PCI3 2.0 slot produce a performance bottleneck if I have a 2500k processor?

Sauceboss29

Honorable
Feb 11, 2014
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10,510
I currently have an Intel i5 2500K processor on a motherboard with PCIe 3.0 slots. I am aware that the 2500K was not made for PCIe 3.0 but I was curious if I was to put a GTX 770 in my PC would I have a significant performance bottleneck?