Question About Running a GTX 770 on PCI Express 2.0

[sjsongt96]

Hello all, I was hoping you could help me with a question I had. Recently, I've started looking in GPU updates, as my current one is coming up on 2 years old and I'm really starting to see a performance hit on newer games. After some research, I found this GTX 770:

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Here's where my concern, and my limited technical understanding comes into play. Currently, although my motherboard is PCI 3.0 compatible, my CPU does not support the feature (it is a Sandy Bridge i7 2700k) and as a result the slots default to PCI 2.0. I noted that the GTX 770's effective memory clock is 7010 MHz. I've read elsewhere that the clock for PCI 2.0 is 5 GHz. Is this an issue at all? I realize that these factors may be completely unrelated, I just don't have the technical background to know for sure, I'd just rather make sure before I go and spend the money.

Thanks for your help.

 

[animal]

the GPU memory clock speed is how fast the GPU interfaces with its onboard VRAM while the PCIe 2.0 speed is about the installed device's (i.e. GPU) communiation speed with the motherboard (i.e. CPU).

What is your current GPU?

 

[woltej1]

It won't matter. A 770 won't even come close to saturating a pcie 2.0 bandwidth. I'm running a 280x on 2.0 and get 90-100fps in bf4 with a 1080p screen.

 

[icraft]

Same as above, it is fine. I believe you only start seeing issues with a 7990 pushing all of it through 2.0.

 

[sjsongt96]

the GPU memory clock speed is how fast the GPU interfaces with its onboard VRAM while the PCIe 2.0 speed is about the installed device's (i.e. GPU) communiation speed with the motherboard (i.e. CPU).

What is your current GPU?

I am currently using this:

http://