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6990 vs 2 580's? - Page 2

post #11 of 110
Quote:
In this comparison the configurations are worlds apart. The reason is the pricing, the GeForce GTX 580 right now is still around $500. Therefore, SLI is $1000. This is a whopping $300 more expensive than a single Radeon HD 6990. However, our evaluation has revealed that this extra $300 does give you a better gameplay experience in almost every situation. In every game we played the GeForce GTX 580 SLI did give us the highest framerates. Beyond that though, GTX 580 SLI provided the smoothest gameplay. There was less choppiness with SLI and it seemed lower framerates felt smoother on GTX 580 SLI than it did with 6990 or 6970 CFX. If you've got the cash to burn, you can't beat GTX 580 SLI for true multi-display gaming performance.
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post #12 of 110
Quote:
Originally Posted by tsm106 View Post
They're underclocked, but even overclocked... that aside the 580s are faster.
The 6990 has 880 core clocks accessible with the flick of the switch, and that's what the 6970s are clocked at.

That's not neutered.

Dunno about the mem clocks.
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post #13 of 110
580's Will be more powerful although more power hungry and expensive.
post #14 of 110
HardOCP review was done with the lowest clock BIOS. People seems to forget this...

6990 + 6970 Tri-Fire, for the same price, will rape 580 SLI. It's really a no brainer for true gamers multiple screens set-up and high res/highAA/AF. The 6990 gives you 85% of SLI 580 performance, so put a 6970 in there and it's a no brainer.
    
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post #15 of 110
Quote:
Originally Posted by Levesque View Post
HardOCP review was done with the lowest clock BIOS. People seems to forget this...

6990 + 6970 Tri-Fire, for the same price, will rape 580 SLI. It's really a no brainer for true gamers multiple screens set-up and high res/highAA/AF. The 6990 gives you 85% of SLI 580 performance, so put a 6970 in there and it's a no brainer.
or make a fair comparison and get 3 570s because your comparing 3 gpus to 2
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post #16 of 110
$700 usd for a 6990 or about $1100 for 2 580's. Both will provide you with more gpu power than you'll need in the near future, even if you get the 3rd monitor. if you're into three monitors, I'd think you would want amd for the eyefinity (or whatever it's called).

personally, i'd save the 4 or 5 hundred and get a couple of ssds
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post #17 of 110
Quote:
Originally Posted by Sling View Post
$700 usd for a 6990 or about $1100 for 2 580's. Both will provide you with more gpu power than you'll need in the near future, even if you get the 3rd monitor. if you're into three monitors, I'd think you would want amd for the eyefinity (or whatever it's called).

personally, i'd save the 4 or 5 hundred and get a couple of ssds
1100$ for 580s?

are you high? http://www.newegg.com/Product/Produc...-124-_-Product
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post #18 of 110
2560x1600 with AA the 6990 will win because of the extra VRAM.
post #19 of 110
Quote:
Originally Posted by pursuinginsanity View Post
The 6990 has 880 core clocks accessible with the flick of the switch, and that's what the 6970s are clocked at.

That's not neutered.

Dunno about the mem clocks.
Mem on 6990 in either switch position is 1250mhz just like a 6950. Stock 6970 mem is 1375mhz.

In my CF setup I gained about one FPS every 25mhz memory increase in crysis on highest settings 4xaa 1080p.
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post #20 of 110
You can overclock the 580s further, and they'll still be quieter than the 6990.
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