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How much faster is the GTX 580 than my graphics cards?

Last response: in Graphics & Displays
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July 30, 2011 3:06:11 AM

I have two HD 5870's (1GB) in crossfire. In percentages, clock for clock, how much faster is the GTX 580 over the HD 5870? Especially when comparing them in 2-way SLI/Crossfire

The GTX 580 is currently the fastest single core GPU. The HD 6990 and the GTX 590 are both neck-to-neck in performance.
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a c 376 U Graphics card
July 30, 2011 9:18:50 AM

Comparing an HD5970 with a GTX 590 is close enough to what you are asking to stand in and the answer to that is 20% or so faster at high resolutions.
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July 30, 2011 5:58:59 PM

Actually if you look up there is a comparison of two 5870 in CS versus a 580 and the 580 is beaten almost across the board so jyjjy its actually not faster at all according to that comparison. Unless you meant the 590 but even then you are talking almost 750$ for a frame rate boost you wont notice unless you have a very very high res doesn't make much sense. Also if you do a compassion two 6950 are 40%+ faster then a 580 and you can get them cheaper actually new egg price 2x6950 400 after rebate 440 after rebate. If you have the PSU power you get more power for less money.
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a c 376 U Graphics card
July 30, 2011 8:59:32 PM

Yes, Crossfired HD5870s are notably faster than a single GTX 580. I did mean the GTX 590... that's why I used that number. The OP asked "Especially when comparing them in 2-way SLI/Crossfire."
The HD5970 is two HD5870s in Crossfire on one card with the speeds of the core lowered from 850 mhz to 725mhz(15%.) The GTX 590 is two GTX 580s in SLI on a single card with the core speed lowered from 772mhz to 607mhz(21%.)
I guess the GTX 590 is gimped down a bit more from SLI GTX 580s than an HD5970 is from two HD5870s so I'll revise that estimate upwards. On average SLIed 580s are probably 25ish % faster than Crossfired HD5870s.
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July 30, 2011 9:53:41 PM

^+1 agree with this. I would say though that truthfully no point upgrading bye the time your cards have trouble playing new games 1+ years you will be able to spend the same 500 or so you are think about now but maybe get 580 or even 590 in sli.
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a c 376 U Graphics card
July 30, 2011 10:28:39 PM

Yeah, it's not worth it. Way too much money for that level of an upgrade.
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July 31, 2011 8:20:28 PM

jyjjy said:
Yes, Crossfired HD5870s are notably faster than a single GTX 580. I did mean the GTX 590... that's why I used that number. The OP asked "Especially when comparing them in 2-way SLI/Crossfire."
The HD5970 is two HD5870s in Crossfire on one card with the speeds of the core lowered from 850 mhz to 725mhz(15%.) The GTX 590 is two GTX 580s in SLI on a single card with the core speed lowered from 772mhz to 607mhz(21%.)
I guess the GTX 590 is gimped down a bit more from SLI GTX 580s than an HD5970 is from two HD5870s so I'll revise that estimate upwards. On average SLIed 580s are probably 25ish % faster than Crossfired HD5870s.


We won't see a HUGE performance leap until the GTX 6xx and HD 7xxx family of graphics cards.
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