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Single 7970 vs. GTX570 in SLI

post #1 of 24
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Has anyone come across any reviews that bench a single 7970 against a pair of 570's (preferably at 1920x1080)? I have a 7970 on hand and would like to have an expectation of what kind of numbers I will be seeing by tranisitoning.

Thanks.
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post #2 of 24
Not sure if this helps much but without overclocking anything i scored 10109 in 3dmark11. Since then I have played around with overclocking and can score well over 12k in 3dmark11 running stable. I have EVGA GTX570HD's 2560mb with EK blocks. I am running 1920x1080 on a Samsung S27a750d.
post #3 of 24
i kinda wanna know the same thing but SLI 580's vs one 7970
    
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post #4 of 24
Quote:
Originally Posted by Evil-Jester View Post

i kinda wanna know the same thing but SLI 580's vs one 7970

If a 7970 usually beats a 580 from anywhere between 15 to 40 percent depending on the game/app, it's probably about even, depending on how well the two 580s scale in whatever you're running. Overall I'd say it comes out to a slight (about 20%) lead for two 580s.
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post #5 of 24
Guru3d reviewed both but not in the same review. Fortunately guru3d's test system and game settings remain the same for both reviews and so the results can be compared. Note that the GTX570 SLI (tested in Dec 2010) used driver 263.09 Beta while the HD7970 (tested in Dec 2011) used 11.12. And the resolution used was 1920x1200:-

Game GTX570 SLI vs HD7970
-COD Modern Warfare 2 230 vs 166
-Battlefield BC2 103 vs 75
-Dirt 2 138 vs 105
-Far Cry 2 153 vs 102
-Metro 2033 54 vs 44
-Anon 1404 109 vs 122


Reference
GTX570 SLI http://www.guru3d.com/article/geforce-gtx-570-sli-review/5
HD7970 http://www.guru3d.com/article/amd-radeon-hd-7970-review/13
post #6 of 24
I would assume the 570sli would edge it out for sure, BUT at 1080p the 7970 will EASILY dominate any game PLUS no need to worry about sli issues when your on a single card.
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post #7 of 24
I'd rather have the single 7970, but I'd rather have a single powerful card than SLI in general.

If you have it on hand, throw it in and let us know the difference.
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post #8 of 24
Well I can tell you this. I have 560TI 2GB's SLI at 2560x1440. I was not happy with it playing BF3 so I tried a single 7970. At my res the 560's were still faster and played BF3 better IMO. But when I lowered the res to 1920x1080 just to check it out, the 7970 was just as fast. I use vysnc and the 7970 at ultra settings no aa but high post aa my frames never moved from 60 on any map at any time. My SLI also did the same, but it would be nice just to have 1 card and play BF3 maxed and at 1920x1080 the 7970 can certainly do that without breaking a sweat...
post #9 of 24
Quote:
Originally Posted by 66racer View Post

I would assume the 570sli would edge it out for sure, BUT at 1080p the 7970 will EASILY dominate any game PLUS no need to worry about sli issues when your on a single card.

Agreed 100%.
If only playing at 1080p/1200p you don't need more muscle then a single 570, especially a 7970.
A 570 can be easily overclocked to match 580 performance anyways.
Quote:
Originally Posted by falcon26 View Post

Well I can tell you this. I have 560TI 2GB's SLI at 2560x1440. I was not happy with it ...
560Ti's run out of power at high resolutions.
I wouldn't use them for anything higher then 1200p.
Edited by amstech - 3/18/12 at 7:27pm
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post #10 of 24
This is a downgrade rather than upgrade , unless you're planning on 7970 CF.
I had a chance to test 7970 and i wouldn't trade my 590 for it , 570SLI is better , especially in games that need more power like BF3 , Witcher 2 , Metro 2033.
Sure it makes more noise and generates more heat but if it's performance you want stick with 570SLI.
Lastly with new cards from Nvidia just around the corner the smart thing to do would be wait and see what they offer and how it affects AMD's prices.
Edited by RobotDevil666 - 3/18/12 at 7:30pm
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