PCI Express x8/x16 multi-GPU performance tested, results astound

by Rafael Hernandez on August 23, 2010 · 0 comments

There are certain sets of “facts” many computer users start to believe when it comes time to setting up their newest machine which compels us to purchase much more expensive hardware despite the fact that you might not get much faster performance. The PCI Express x8 and x16 slots are one of those examples where the difference in slot configurations will lead most users to spend a good chunk more on a motherboard and processor combination that supports two full x16 lane slots versus some silly x16/x8 setup for their super high-end SLI graphics card setup. It would seem that, in the end, you’re throwing quite a bit of money away for just a few framerates.

GTX 480 SLI PCIe Bandwidth Perf. – x16/x16 vs. x8/x8 @ HardOCP

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