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Manually undervolting graphics cards.

post #1 of 6
Thread Starter 
I am planning to buy an EVGA GTX 570 within the next few weeks. I am always concerned about heat and electricity consumption, so I am the type who likes to undervolt stuff if possible. I have undervolted my Xeon, and given the GTX 570's power consumption, what tools are necessary to undervolt and test the stability of a graphics card?

Thanks.
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post #2 of 6
If you're concerned about those why did you buy a 570 that you would need to undervolt ?

MSI Afterburner or EVGA Precision would do what you want, just be prepared for system instability when undervolting, especially if it's an OC'd card.
Edited by Ascii Aficionado - 5/27/11 at 11:25am
post #3 of 6
Msi afterburner will be able to give the needs you seek.

However unless you tick the "Constant voltage" option, all it will do is undervolt when 3D Clock settings are applied.

I find that instead of undervolting using dual monitor power svaer helps more

here's the link to that guide Click ME!

anyway this states dual monitor power saver but it works the same for single monitor as well
Edited by dagan - 5/27/11 at 11:22am
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post #4 of 6
Probably should have gone for a 6950/6970 instead if you were worried about power consumption they consumes a fair bit less power than the 570. I don't think undervolting will make much difference in consumption load OR idle only a few degrees but try Msi Afterburner I suppose. I think I actually did some testing (just with a kill-a-watt) and you really will only save a few watts by undervolting @ load even if you get down quite a bit.
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post #5 of 6
Thread Starter 
Quote:
Originally Posted by systemlayers View Post
Probably should have gone for a 6950/6970 instead if you were worried about power consumption they consumes a fair bit less power than the 570. I don't think undervolting will make much difference in consumption load OR idle only a few degrees but try Msi Afterburner I suppose. I think I actually did some testing (just with a kill-a-watt) and you really will only save a few watts by undervolting @ load even if you get down quite a bit.
I see. I was only asking because it made quite a noticeable difference when I undervolted my Xeon several months ago. Temperatures dropped slightly, but it uses around fifteen watts less at load before the undervolt.

I have considered the HD 6950, but it appears to lag behind the GTX 570 in certain games.
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post #6 of 6
Right now i have my GTX 580 at 0.975 mV,0.025 under the stock 1.000 mV.

Running perfectly so far with less temps.
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