Tom's Hardware > Forum > Graphic & Displays > Graphics Cards > PCI Express 2.0x16 verus PCI Express x16

PCI Express 2.0x16 verus PCI Express x16

Forum Graphic & Displays : Graphics Cards - PCI Express 2.0x16 verus PCI Express x16

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TRW46   11-01-2009 at 02:17:04 AM

Is there any difference in MB slots

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TRW46   11-11-2009 at 03:08:43 AM

so if I purchased a PCI Express 2.0 x16 video card and put it into a PCI Express x16 it would work except bandwidth of 2.0 ?

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wa1   11-11-2009 at 07:25:51 PM

yes, it would work perfectly. I have a GA 965P DS3(PCI E x16 1.0) and HIS HD 4850(PCI E x16 2.0), no problems so far... :)

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IzzyCraft   11-21-2009 at 02:53:52 AM

pcie 2.0 just has more bandwidth when you plug in a 2.0 card to a 1.x slot the card should just run with the available bandwidth which unless you are running like a 295 or 5970 shouldn't be a hindrance.

 

Proof is in the P55 sli and crossfire where you only get x8 x8 lanes of pcie 2.0 which is = to a full x16 lane of pcie 1.0 in terms of bandwidth and the frame rate drop is basically nothing vs a x55 build which could just be attributed to the different memory and cpu.


Message edited by IzzyCraft on 11-21-2009 at 02:55:36 AM
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