Does PCI-E x16 1.1 slow a graphic card ?

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Akhil Balaji

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May 11, 2013
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I just bought a low-end ATI Radeon HD 5570 for my PC. But I found out that my motherboard has a PCI-E x16 1.1 . However the graphic card uses PCI-E x16 2.0. Since this graphic card has a bandwidth of around 80Gb/s (http://www.techpowerup.com/gpuz/ucaa3/) after OCing and the bandwidth of PCI-E x16 1.1 is 250 Gb/s so will it be okay to run it on the 1.1 without any loss in performance ?
 
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nforce4max
It is not that bad until you start looking at 8x and 4x, it can handle up to a 5770 as long the card is not pci-e 2.1. Current cards that are mainstream as well low end don't saturate pci-e 2.0 enough to be concerned. If anything that will bottleneck a newer card on a older build will the cpu and chipset.
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kookie3010

kookie3010

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Sep 3, 2013
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Performance loss might only occur on 1080 resolution.other than that u are good since its a 5570.whats ur cpu?
 
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nforce4max

nforce4max

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Sep 9, 2009
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It is not that bad until you start looking at 8x and 4x, it can handle up to a 5770 as long the card is not pci-e 2.1. Current cards that are mainstream as well low end don't saturate pci-e 2.0 enough to be concerned. If anything that will bottleneck a newer card on a older build will the cpu and chipset.
 
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Solution
G

Guest

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no its just a PCI-E link speed and width to lower levels to conserve power when the card is idle
Read the render test of GPU-Z
 
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