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Is 1150v Safe for A GTX 580 for 24/7 use - Page 2

post #11 of 31
Quote:
Originally Posted by AWESOME_3_SOME;14299694 
yeah i heard PNY cards sucks at overclocking, i might switch mine and get the Galaxy GTX 580 instead at bestbuy.

Every card is different, there is no one brand that clocks higher than another.

And no, on air you should always keep it at 1.1v or less for 24/7 use. If you were using water cooling, then it would be different.
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post #12 of 31
Thread Starter 
Quote:
Originally Posted by Behemoth777 View Post
Every card is different, there is no one brand that clocks higher than another.

And no, on air you should always keep it at 1.1v or less for 24/7 use. If you were using water cooling, then it would be different.
if my temps were in check would i able to keep it at 1150.
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post #13 of 31
I also got a crap 580 from Step Up through EVGA. Thing needs 1.125v to do 900 Vantage stable.

With my second 580 I only ran 3 benches at 900 core and that was it. I'd rather have my temps lower in SLI than achieve a few more FPS my monitor won't be able to show me anyway.
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post #14 of 31
I'm at 1.125 and 906 rock stable. I can put it up to 940 at this same voltage and everything runs fine, except CRYSIS... Which is weird since I tried The Witcher 2 at 940 and it was fine even with ubersampling.

I can't see how 1.1v is safe and fine yet to add another 2/100ths of a volt to it is frowned upon. My cards fans have a nearly vertical profile so they run at or near 85% throttle during any gaming and I rarely break 75 degrees ever. I'm pretty sure I'm good to go, and if they explode ASUS's voltage tweak series warranty will cover me so whatever.
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post #15 of 31
Thread Starter 
Quote:
Originally Posted by lowfiwhiteguy View Post
I'm at 1.125 and 906 rock stable. I can put it up to 940 at this same voltage and everything runs fine, except CRYSIS... Which is weird since I tried The Witcher 2 at 940 and it was fine even with ubersampling.

I can't see how 1.1v is safe and fine yet to add another 2/100ths of a volt to it is frowned upon. My cards fans have a nearly vertical profile so they run at or near 85% throttle during any gaming and I rarely break 75 degrees ever. I'm pretty sure I'm good to go, and if they explode ASUS's voltage tweak series warranty will cover me so whatever.
well thanks, i guess i'm safe then
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post #16 of 31
I just had a revelation myself.


Do you have all of the EZ-Plugs connected? (Those couple of molex 4-pin connectors on the mobo PCB)

I am only using 1 of the 2, and I'm thinking that's why I'm limited to low 900s even with 1.125v. Also in the past, I've had problems with games shutting down due to GPU instability issues (nvlddmkm crashes) which were remedied by increasing the voltage delivered to the cards... This weekend I'm going to plug the second one in and let you know if it fixes anything. If it does you owe me a beer. But, I think I may be on to something with this, as the manual states to use both of them on an SLI setup. I just read this a moment ago! RTFM!

So they may just be starved for power, and thus are hitting a lower core MHz plateau than they should and at overly high voltages. I'll let you know!
Edited by lowfiwhiteguy - 7/21/11 at 8:42pm
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post #17 of 31
Quote:
Originally Posted by AWESOME_3_SOME View Post
yeah i heard PNY cards sucks at overclocking, i might switch mine and get the Galaxy GTX 580 instead at bestbuy.
I have my PNY 580 under water and it does 1ghz at 1.163v while my EVGA needs 1.15 for 925mhz so it all depends on luck and the card
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post #18 of 31
Thread Starter 
Quote:
Originally Posted by jamborhgini313 View Post
I have my PNY 580 under water and it does 1ghz at 1.163v while my EVGA needs 1.15 for 925mhz so it all depends on luck and the card
yeah i guess i have bad card then, i wish i could go at least 950 on the cores. i hate being on 900
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post #19 of 31
Quote:
Originally Posted by jamborhgini313 View Post
I have my PNY 580 under water and it does 1ghz at 1.163v while my EVGA needs 1.15 for 925mhz so it all depends on luck and the card
I assume you have modded your voltage to get that high, what have you used?
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post #20 of 31
Quote:
Originally Posted by lowfiwhiteguy View Post
I just had a revelation myself.


Do you have all of the EZ-Plugs connected? (Those couple of molex 4-pin connectors on the mobo PCB)

I am only using 1 of the 2, and I'm thinking that's why I'm limited to low 900s even with 1.125v. Also in the past, I've had problems with games shutting down due to GPU instability issues (nvlddmkm crashes) which were remedied by increasing the voltage delivered to the cards... This weekend I'm going to plug the second one in and let you know if it fixes anything. If it does you owe me a beer. But, I think I may be on to something with this, as the manual states to use both of them on an SLI setup. I just read this a moment ago! RTFM!

So they may just be starved for power, and thus are hitting a lower core MHz plateau than they should and at overly high voltages. I'll let you know!
In the 580 OC Club I was told about the additional power plugs on some mobos for the PCI-E lanes. Hooking those up to the PSU should give you higher overhead on the OC (unfortunately for me the Sabertooth doesn't have them)....
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