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PCI Express 2.0 - does it offer a performance boost?

Posted on Friday, November 16 2007 @ 01:40:47 CET by

With the Radeon HD 3800 series the first generation of PCI Express 2.0 graphics cards have arrived. But are current graphics cards already strong enough to reap benefits from this new interface? OCWorkbench did a little test and found out that the performance difference is minimal:
With the Radeon HD 3870, the card did not show much improvement in 3D benchmark results. The only noticable difference is the performance at 1920x1200, we see a 2fps gain over the traditional PCIe 1.0 board. Well, in other cases, we get similar results (comparing P35+3870 vs X38+3870).

Looks like it will take some time before both cards and boards will take advantage of the additional bandwidth of PCIe Generation 2.0. The difference of PCIe 1.0 and 2.0 is almost negligible.



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