why to buy PCI-E 3.0 graphics cards

tell me the difference between PCI-E 3.0 and 2.0 on graphics cards.
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  1. there is difference between speeds in pci 2.0 and pci 3.0.but that increased speed doesnot have impact on gaming as even high end gpu doesnot utilize pci 2.0 speed.overall Pci 2.0 = Pci 3.0 in gaming

    see here a article about pci exp - http://www.hardwaresecrets.com/printpage/Everything-You-Need-to-Know-About-the-PCI-Express/190

    no measurable difference @X16

  2. saswat12345 said:
    tell me the difference between PCI-E 3.0 and 2.0 on graphics cards.


    What exactly do you mean ? The technical details of whats different, or are you more interested in seeing a 2.0 Vs 3.0 review like this one http://www.hardocp.com/article/2012/07/18/pci_express_20_vs_30_gpu_gaming_performance_review/14#.UU8cXhwqzNs

    Mactronix :)
  3. With the graphics card available on the market today or anytime soon, you will not see any significant difference between using PCI-E 3.0 and 2.0
  4. ok
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