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GTX470 915mhz OC Versus GTX580 stock clocks? - Page 5

post #41 of 118
Quote:
Originally Posted by brettjv;14498260 
I don't think a 560ti can reasonably be expected to get that close to a 580. It just doesn't have the OC'ing headroom to be able to compensate for all the things it physically lacks vs. 580, even on water. The reason the 470 can get fairly close is that it's really the same architecture, just with some units disabled/not there. Plus it's got crazy OC'ing headroom (MUCH more than the 560ti does), esp. on water cooling.

Due to its low stock clocks, the 590 is a different story. I can smoke a stock 590 with my cards, even on air wink.gif
Well, in theory it would take a 560 Ti something like 1200 core to match a 470 at 900. But Cyclops put up a near 11k graphics score in 3DM11 at just 1050 core. He should be within striking distance, no?
post #42 of 118
Thread Starter 
Quote:
Originally Posted by brettjv View Post
Next time please don't 'double-post' ... use the edit button.

Also, give the 'multi-quote' button a try sometime ... it's handy, I used it in my posts above

I have a ? though ... does adding the kuhler increase the total height of the card to be more than 3 total slots? And what are you doing to cool your VRM's, anything?
Alright will do.

Hmmm...I'm using a thermaltak lan box lite case so room is limited. The stock fan still runs at 40%, but there also is a 120mm mounted on my case door which blows directly over the stock heatsink.

The tubing protruding from the Kuhler would be the issue. The Kuhler heat sink itself and the card only take up two slots, but the tubing adds another slot and a half. I think the tubing would touch the card four slots down unfortunately. I think orientating the 620 so that the tubing is the opposite from the pcie slot would help instead of the way I did it. Seems like the fittings from the kuhler 620 heat sink would need to be modded because I think the tubes would touch the card in the fourth slot imo if left as is.
    
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post #43 of 118
Quote:
Originally Posted by Booty Warrior View Post
Well, in theory it would take a 560 Ti something like 1200 core to match a 470 at 900. But Cyclops put up a near 11k graphics score in 3DM11 at just 1050 core. He should be within striking distance, no?
Hmmm ... well ... 10788 GPU score is extremely impressive for 560ti's, esp. at only 1050c. Does he claim that they can do more, and if so, how much more? I wonder also if he's using WHQL drivers w/everything at defaults?

EDITED: That's actually almost what I get with my cards maxed on air at 825c/900m (I get 10868 GPU). And yeah, two stock 580's would probably be somewhere just to the north of 11K would be my guess.

Maybe someone who has two in SLI would be willing to run that test for us, or knows offhand
Edited by brettjv - 8/8/11 at 9:53am
    
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post #44 of 118
Quote:
Originally Posted by brettjv View Post
Hmmm ... well ... 10788 GPU score is extremely impressive for 560ti's, esp. at only 1050c. Does he claim that they can do more, and if so, how much more? I wonder also if he's using WHQL drivers w/everything at defaults?

That's actually right around what I get with my cards maxed on air at 845c/900m, maybe 150-200 points higher. And yeah, two stock 580's would probably be somewhere just to the north of 11K would be my guess.

Maybe someone who has two in SLI would be willing to run that test for us, or knows offhand
Two 580s at reference clocks: GPU score 11897
post #45 of 118
Quote:
Originally Posted by DimmyK View Post
Two 580s at reference clocks: GPU score 11897
Sig for 2x 470s at 900: 12055
    
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post #46 of 118
hum....
Yeah, highly OCed 470 would be on par with stock ref. 580.
But why is that relevant, since anyone can OC the 580 to at least 850core and, with a little voltage increase, to a similar 900+ core clock (my girls reach 950 with only 1.05v)?

Well, yeah, there are those who pay plus US$50 for a +10MHz OC edition 580 GTX and never touch the sliders...

Edited by Ulver - 8/7/11 at 9:54pm
post #47 of 118
Quote:
Originally Posted by BallaTheFeared View Post
Sig for 2x 470s at 900: 12055
Hmmm. Impressive. Neck to neck with stock 580s. Shall we see how they compare @ extreme to fully take CPU out of equation?
post #48 of 118
CPU has no affect on the gpu tests. Only physics and combined are affected by the cpu. I also never purchased 3dmark11.
    
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post #49 of 118
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Originally Posted by Ulver View Post
hum....
Yeah, highly OCed 470 would be on par with stock ref. 580.
But why is that relevant, since anyone can OC the 580 to at least 850core and, with a little voltage increase, to a similar 900+ core clock (my girls reach 950 with only 1.15v)?
I'm pretty sure my SOC won't have any trouble reaching 950MHz at 1.087. Worst case scenario I'd have to flash it to higher voltage.

Simple answer: GTX 580 performance for less money...Plus a 580 cannot gain a 50% OC on the core clock so the difference between an OCed 580 and an OCed 470 will be much smaller than stock vs stock.

I dunno the prices of water cooling these days but if you can get a $200 470 and a $300 CPU & GPU liquid cooling solution then you're pretty much set. Not only will you be able to OC the crap out of them, your system will also be silent.
Edited by Wulfgar - 8/7/11 at 6:42pm
post #50 of 118
If you want to increase the limits in afterburner flash your 470 with a new bios. Several are located in this thread. The overvoltage allows you to go up to 1.2V (I believe, I usually run around 1.1V), I can't recall what the maximum frequency it lets you select as my card doesn't like above 850 MHz.
 
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