dual X8 pci-e lanes vs. 16x?

How much of a difference will either make in the near future. Is it worth the money to go for the dual x16?
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More about dual lanes
  1. It would be worth the money to go for two pci-e 16x lanes because graphics cards in SLI mode would have much more bandwidth allowing the graphics cards to get more data to them and back out quickly. Plus the graphics cards would work much more efficiently with more bandwidth.
  2. At the moment the only cards it'll make a difference with is 7950GX2s; everything else won't see a benefit. Future cards will start using more of the PCIe lanes, so in the future you may be glad you got the dual 16x.
  3. Quote:
    It would be worth the money to go for two pci-e 16x lanes because graphics cards in SLI mode would have much more bandwidth allowing the graphics cards to get more data to them and back out quickly. Plus the graphics cards would work much more efficiently with more bandwidth.

    Even next gen card won't (probably) use all of 16X bandwith.
  4. Quote:
    It would be worth the money to go for two pci-e 16x lanes because graphics cards in SLI mode would have much more bandwidth allowing the graphics cards to get more data to them and back out quickly. Plus the graphics cards would work much more efficiently with more bandwidth.

    Even next gen card won't (probably) use all of 16X bandwith.
    true. two x8 are plenty enough today.
  5. I agree, right now no difference and you might upgrade before it does.

    Depends on what the cost difference is, if not much i say why the hell not?

    This is like the ide/sata/sataII arguement, the interface is not the limiting factor, the component is.
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