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Volt Mods?

post #1 of 13
Thread Starter 
Okay on my GTX260, I'm able to get 700/1458/1215 without really any artifacts. Any higher I get redic artifacts. But when I xtreme burn test my current settings in Furmark, the max temp I get is about 75c, which tells me it can be pushed much futher. Is it worth it to boost voltages to get higher clocks?
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post #2 of 13
What voltage are you at now?
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post #3 of 13
Is it a 65nm or 55nm card? Also, those cards scale better with cooler temps. Just because it's within safe limit, doesn't mean that you have more headroom. The difference between 75°c and 65°c could be one shader strap. If you physically have to volt mod it, I wouldn't do it unless you had better cooling.
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post #4 of 13
with a volt mod you are going to need better cooling. Even if you add a lot of voltage it wont do anything unless you can keep the card cool enough to take advantage of it.
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post #5 of 13
Thread Starter 
Voltages hasn't been touched. Believe it's a 55nm. These card are built to operate at 90c fine. To me I have at least 10c more to work with.
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post #6 of 13
Thread Starter 
If I were to upgrade cooling is the only solution the one from thermalright?
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post #7 of 13
Quote:
Originally Posted by emeraldage View Post
Voltages hasn't been touched. Believe it's a 55nm. These card are built to operate at 90c fine. To me I have at least 10c more to work with.
Yes the GPU maybe safe at those temps but the overclock will become unstable due to the heat.
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post #8 of 13
Quote:
Originally Posted by emeraldage View Post
Voltages hasn't been touched. Believe it's a 55nm. These card are built to operate at 90c fine. To me I have at least 10c more to work with.
I'm pretty sure that is safe operating temperature for stock clocks. Doesn't mean that it will keep scaling until you reach that temperature.

Quote:
Originally Posted by emeraldage View Post
If I were to upgrade cooling is the only solution the one from thermalright?
Not sure, never used an aftermarket cooler with my 260, only waterblocks. And even at 40°c load i've ran into issues where cooling was the problem and not voltage. I had a day where my a/c died. Temps hit 50° load and the card was no longer to run at the same speeds.
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post #9 of 13
Thread Starter 
I got cha. I don't even think there is enough room after putting that hyper 212 in my tower that I could fit a thermalright cooler on it.
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post #10 of 13
Quote:
Originally Posted by emeraldage View Post
Voltages hasn't been touched. Believe it's a 55nm. These card are built to operate at 90c fine. To me I have at least 10c more to work with.
I know it can go far hotter, but as you get hotter, voltage has a FAR smaller effect than that of temperature. If you want higher clocks get better cooling first, THEN consider a vmod once you have a way to control the heat.

With added voltage the heat is exponentially increased...so maybe only .025v more and you get another 10C boost...which may hurt clocks more than the voltage helped...
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