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Ivy Bridge HD 7970 and GTX 680 PCI-Express Scaling

Discussion in 'Reviews' started by W1zzard, Apr 29, 2012.

  1. jihadjoe


    Oct 26, 2011
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    Some folks over at xtremesystems actually did a similar scaling test, but with all sorts of configs all the way up to quad sli/cfx. It seems once you go multi-card, bandwidth is VERY important.

    Here's their result for 680SLI at 2.0 x16/x16 vs 3.0 x16/x16


    I'll post their link up once I get a chance to quickly rummage through my bookmarks when I get home from work.
  2. Darkrealms

    Feb 26, 2007
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    Thanks W1zz as always great review.

    Cant wait to see the multi card/gpu tests.... if amd ever releases that 7990....
  3. plundra New Member

    May 18, 2012
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    Nice test, although I have a suggestion!

    For future tests, it would be very nice if x1 (2.0, maybe 1.1) were tested too!
    That way the results would be useful for eGPU-configurations in laptops, where you use the ExpressCard-slot as connection. Where only 1 lane is available.

    Haven't checked if new Ivy Bridge laptops have 3.0 in the expresscard slot, if that's the case it should be on par with x4 1.1 from this test I suppose.
    Although I'm on a Sandy Bridge with 2.0 only so wouldn't help that much :)

    (I'm really looking for some benchmarks to push me over the edge and purchase a ViDock with some sort of modern graphics card. Interesting to see the Radeon scaling better than Nvidia!)

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