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NVIDIA's Fermi: Architected for Tesla, 3 Billion Transistors in 2010
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Old 2nd October 2009, 23:02   #11
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definitely NOT folding;
so that leaves it running idle and using as little power as possible
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Old 3rd October 2009, 05:03   #12
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If I'm going to pay for the GPU to sit idle, then I might as well pay the ~$5 difference to have it doing something useful per month.
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Old 3rd October 2009, 10:02   #13
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I'd rather use that extra $60 to buy a better GPU
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Old 5th October 2009, 01:06   #14
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Will a MB be able to support three of these?
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Old 5th October 2009, 09:07   #15
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don't see why not, as long as the PCI Express slots are far enough apart
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Old 5th October 2009, 14:06   #16
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I was thinking more on the lines of transfer speed. Can the CPU keep up?
Somewhere I read that more than two GPU cards ( 9800s and better ) was a waste.
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Old 5th October 2009, 15:05   #17
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Quote:
Somewhere I read that more than two GPU cards ( 9800s and better ) was a waste.
that's because GPU scaling decreases very quickly after 2xGPUs; CPU bottleneck is not quite the issue
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Old 5th October 2009, 20:28   #18
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Multi-GPU scaling = diminishing returns... 2nd isn't too bad with mainstream games, but 3rd rarely helps significantly and 4th is there mostly for looks.
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Old 6th October 2009, 03:19   #19
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I'll probably build the system with four low end cards and get some test results before throwing money at four fermi cards.

If that overloads the system, I'll move two to another MB.
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Old 6th October 2009, 05:59   #20
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What do you expect to gain from four cards? Unless you are driving two 30" monitors anything more than 2 GPUs is going completely to waste.

Keep in mind the majority of games will not scale beyond 2 GPUs because the software wasn't written for it, or they aren't stressful enough. A simple GTX 260 is enough to drive a 1920x1200 with all settings maxed in pretty much any game. And unless the game is specifically coded for SLI by NVIDIA, then it will only use a single GPU.
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