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3x Sapphire Radeon HD6970 2GB or 2x MSI Lightning Extreme GTX GeForce 580 3GB - Page 7

post #61 of 77
http://www.overclock.net/nvidia/9885...ng-thread.html

I see SLI scaling bad yes.
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post #62 of 77
Quote:
Originally Posted by Recluse View Post
No one said "SLI scaling bad". Nice tests though
   
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post #63 of 77
But those tests only show 2 580 gpu's against 3x amd gpu's since the 6990 is 2 gpus in one and 1x 6970. The 2x 580 still get close performance next to those amd cards. Now put another 580 for tri sli and than the scale will tip over and i bet 580's will have the upper hand.
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post #64 of 77
Quote:
Originally Posted by WALSRU View Post
Nice tests though
No, not really. The guy stayed in place not moving and registering fps.

Bad testing methodology. Sorry, I mean NO methodology at all.

Yeah yeah Tri-SLi would be better then 6990+6970, but for the price of Tri-SLI, you can go Quad-Fire 6990+6970+6970 etc etc etc.

The Op is asking 3X6970 vs 2X580. He's not asking about 580 Quad-SLI 3Gb on LN2. The answer is clear: 3X6970 is way better then 580 SLI. No contest.
    
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post #65 of 77
Yes I agree with you Levesque, I was just making a statement about those graphs.

Overall go for the 6970's.
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post #66 of 77
Thread Starter 
3x 6970 will cost me a few hundred dollars to get the right cooling for it, theres no way i would just air cool them, with how hot they will get... that will be around 300-600 for the pumps tubing radiators etc..

the efficiency of the MSI lightning extreme fermi 3gb is incredible.

But I have a better understanding now of the differences between these two setups, thanks guys.
post #67 of 77
3x6970's all the way!
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post #68 of 77
Quote:
Originally Posted by arifay View Post
3x 6970 will cost me a few hundred dollars to get the right cooling for it, theres no way i would just air cool them, with how hot they will get... that will be around 300-600 for the pumps tubing radiators etc..

the efficiency of the MSI lightning extreme fermi 3gb is incredible.

But I have a better understanding now of the differences between these two setups, thanks guys.
Yeah =/. You can pick up the XSPC res/pump combo for $50 and the radiator for $85, then slap all three 6970's with XSPC blocks (that are only $85 a piece and according to a review done here on OCN outperfomed the EK blocks) and loop them into the 360 rad which will be alright. But you will still be out a litlle over $400 at that point with hose and possibly more depending on fans and fittings. Alternatively you could buy things from OCN members here in the marketplace and likely get it done for a lot less.
    
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post #69 of 77
Quote:
Originally Posted by Captain1337 View Post
But those tests only show 2 580 gpu's against 3x amd gpu's since the 6990 is 2 gpus in one and 1x 6970. The 2x 580 still get close performance next to those amd cards. Now put another 580 for tri sli and than the scale will tip over and i bet 580's will have the upper hand.
Read the OP. He said 3x 6970 or 2x 580 because they're both around $1k.

kthxbye
   
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post #70 of 77
6990 + 6970? Best solution in my opinion.
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