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Which video cards saturate PCI-e 1.0?

Forum Graphic & Displays : Graphics Cards - Which video cards saturate PCI-e 1.0?

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goosetheforce   04-16-2009 at 02:59:39 AM

Hi all,

I remember reading some time ago that new video cards were not yet able to saturate the bandwidth of PCI-express 1.0. I don't imagine that's still true.

My mobo has a PCI-e 1.0 (1.1?) slot. If I bought, for example, a Radeon 4890, would I only see a fraction of that card's throughput?

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invisik   04-16-2009 at 04:35:12 AM
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No card requires that much bandwidth. The card will perform about 99% like it should. Next gen ultra high end cards (x2) might start to feel light bottleneck
Hopefully your slot is running x16.


Message edited by invisik on 04-16-2009 at 04:37:29 AM
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uncfan_2563   04-16-2009 at 05:02:56 AM
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well yeah i dont think anything bottlenecks that bus yet. also in future generations, you can just run SLI if u have it so u keep getting good performance

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Bronze Graphics badge cjl   04-16-2009 at 05:57:28 AM
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I think that the 4870x2 and GTX295 might fully saturate a PCIE-x16 v1. No single GPU card will though, so I wouldn't worry about it even for a card as powerful as a 4890 or a GTX285.


Message edited by cjl on 04-16-2009 at 09:58:31 AM
------------------------------ Asus P6T deluxe
i7 965 @ 4.2GHz (200*21), 1.384V
12GB Corsair Dominator DDR3-1600 CAS 7
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goosetheforce   04-16-2009 at 06:56:17 AM
- 0 +

Thanks for the helpful replies. Just to clarify, this is regarding a PCI-e 1.0 x16 slot versus PCI-e 2.0 x16

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