AMD Radeon 7970 HD 3gb or 2 x nvidia geforce GTX 660 2gb?

Hi, I'm building a custom PC and I was wondering what would be better, AMD Radeon 7970 HD 3gb or 2 x nvidia geforce GTX 660 2gb?
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More about amd radeon 7970 3gb nvidia geforce gtx 660 2gb
  1. From the benchmarks I just looked at, they were about even, one winning in some situations and the other in others. I would choose the 7970 for the following reasons.

    -less power connectors needed (most psu's don't have 4 6 pin connectors) (I would have at least 600 watts for the 7970, 650 for the 660s.)
    -less microstuddering issues
    -some games don't support sli or crossfire, so you would only get the performance of a 660
    -1 gb extra vram
    -better upgrading options
    -sli and crossfire generate a lot of heat
  2. Norlag said:
    From the benchmarks I just looked at, they were about even, one winning in some situations and the other in others. I would choose the 7970 for the following reasons.

    -less power connectors needed (most psu's don't have 4 6 pin connectors) (I would have at least 600 watts for the 7970, 650 for the 660s.)
    -less microstuddering issues
    -some games don't support sli or crossfire, so you would only get the performance of a 660
    -1 gb extra vram
    -better upgrading options
    -sli and crossfire generate a lot of heat
  3. thanks a lot!
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