GTX 780 PCI-E 2.0 x8 Performance Question

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esakowski

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Feb 10, 2014
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I am currently running an EVGA GTX 780 SC with ACX Cooler in a PCI-E 2.0 x16 slot (my motherboard is from 2011 and doesn't have PCI-E 3.0 slots). I'm looking to upgrade my boot drive to the newer OCZ RevoDrive 350 (480GB), which would occupy the other PCI-E 16x slot. This will lower the PCI-E slot my GTX780 occupies down to x8.

My question is this: what type of performance hit (if any) would I expect to see on my video card if it is only running at x8 instead of x16?

I do have another PCI-E 2.0 x16 slot available, but it only runs at x4, and I'm not sure if that will be enough to allow the RevoDrive 350 to reach it's max read/write potentials. I have included a link to the RevoDrive 350 page and my other system specs below.

RevoDrive 350: http://ocz.com/consumer/revodrive-350-ssd/specifications

System Specs:
CPU - i5-2500k (OC @ 4.8Ghz)
Motherboard - ASRock Z68 Extreme 4
RAM - 16GB DDR3 (OC 2133)
Video - EVGA GTX 780 SC with ACX Cooler
 
Solution
photonboy
Performance difference probably ZERO, or just really small.

However, I think PCIe SSD devices are a complete waste of money. You're not going to notice the difference in the real world. I really can't think of a usage for a typical user. Maybe in a video editing Workstation it might be worthwhile but otherwise you simply wouldn't notice.

As for GAMING which may be part of your goal, it only matters when you are LOADING the game or a new level/area. During normal game play it doesn't matter what drive you have as the game data is all in the System and Video memory.

*If you want to make a big difference, go SLI with another GTX780 but if you want an SSD just get a normal 2.5" model.
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photonboy

photonboy

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Jun 20, 2006
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Performance difference probably ZERO, or just really small.

However, I think PCIe SSD devices are a complete waste of money. You're not going to notice the difference in the real world. I really can't think of a usage for a typical user. Maybe in a video editing Workstation it might be worthwhile but otherwise you simply wouldn't notice.

As for GAMING which may be part of your goal, it only matters when you are LOADING the game or a new level/area. During normal game play it doesn't matter what drive you have as the game data is all in the System and Video memory.

*If you want to make a big difference, go SLI with another GTX780 but if you want an SSD just get a normal 2.5" model.
 
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