What is SLI or Crossfire

What is SLI or Crossfire
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More about what crossfire
  1. Best answer
    It's a method of using 2 GPU together to render the onscreen image via AFR (alternate frame rendering)

    So gpu 1 does frame 1, gpu 2 does frame 2, gpu 1 does frame 3 ect.

    It gives you about 90% of the power of the GPU's individually and can generally only be done with the same type of GPU ect two gtx 670's.

    AMD has a hybryd crossfire with allows you to do it with 2 from the same series ie hd 6970 and a hd 6950
  2. Scalable Link Interface for nvidia cards
    AMD CrossFireX of AMD/ATI cards.
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