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Difference between Pci-e 2.0 and 2.1

Last response: in Graphics & Displays
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March 23, 2010 11:29:03 PM

i was looking at Ati 5770s on newegg and i noticed some of them are Pci-e 2.0 and some are Pci-e 2.1. whats the difference?

also whats the best 5770 on newegg to get? there so many im not sure which is the best, i cant have one that takes up any extra power (such as an OC'ed one) because i plan on Crossfiring later so i will have just enough power.

space isnt that big of an issue but the smaller the better just to keep the inside of the case cool.

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March 24, 2010 12:54:51 PM

The difference between the two is that pci-2.1 is a bit faster than pci-e 2.0 ! They are changing the models like the ram ! First the ram has ddr and ddr2 and now ddr3 ! upcoming cards will run faster in 2.1 ! Well That is the difference !
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March 24, 2010 4:52:38 PM

James124 said:
The difference between the two is that pci-2.1 is a bit faster than pci-e 2.0 ! They are changing the models like the ram ! First the ram has ddr and ddr2 and now ddr3 ! upcoming cards will run faster in 2.1 ! Well That is the difference !



will a motherboard with Pci-e 2.0 work with a Pci-e 2.1 graphics card?

heres my mobo

http://www.newegg.com/Product/Product.aspx?Item=N82E168...
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October 18, 2010 11:05:17 AM

I too have the same question..
Will a mobo with a PCIe 2.0 work with a PCIe 2.1 GPU????
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October 18, 2010 11:11:58 AM

Yes. Its backwards compatable
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