Can voltage alone hurt GPU, or is it just the heat produced that causes the issues?

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curtisbain95

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Feb 22, 2018
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Recently taught that increasing voltage to 1.2v is virtually harmless in the longevity of my CPU, saying it will slash it's 20 year life-span to 15? So in other words it's good to go for years to come, I was wondering if the same principles applied to adding voltage to GPU as I've seen loads of people freak out when enquiring about voltage to GPU's as opposed to CPU's.

My current GTX 970 (mini) OC is this

+10mv
+150 core
+200 Mem

Heat output is 69C max, I'm aware that 69C is safe temps, however my question is that will adding voltage alone damage my card significantly in the long run?
 
Solution
Lutfij
Increased voltages will result in heat output, if you can't manage the heat dumped by the card/component you'll find yourself with hardware shutting itself off if thermal throttling doesn't take precedence. It's a good idea to leave the specs as is and if any overclocks should be done that they are minimal. A lot of GTX970's have been hitting Ebay and I'm partly sure it's due to being mining crippled cards or end users who thought that their "overclocking the card" could stave off an imminent purchase.
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Lutfij

Lutfij

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Oct 7, 2009
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Increased voltages will result in heat output, if you can't manage the heat dumped by the card/component you'll find yourself with hardware shutting itself off if thermal throttling doesn't take precedence. It's a good idea to leave the specs as is and if any overclocks should be done that they are minimal. A lot of GTX970's have been hitting Ebay and I'm partly sure it's due to being mining crippled cards or end users who thought that their "overclocking the card" could stave off an imminent purchase.
 
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Solution
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curtisbain95

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Feb 22, 2018
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My current card after an hour on Unigene Benchmark, reached 69C with only 10mv, so should be fine right?
 
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n0ns3ns3

n0ns3ns3

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May 25, 2016
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Up to certain level, it is not important.
after you pass that level (which is individual per generation) the damage is real and happens really fast. And it caused by voltage alone, regardless of temps or current.
If you have not modified your GPU bios, and just using something like MSI afterburner, you are within safe limits.
 
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curtisbain95

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Feb 22, 2018
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Oh christ no, I'm not that brave, only afterburner
 
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k1114

k1114

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May 2, 2010
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Cpus don't have a 20 year life span nor will it slash it to 15 but however long it affects it, it's an irrelevant amount of time compared to how long it lasts. But gpus don't last as long as cpus. There is not a 1.2v threshold on cpus, neither is there a voltage threshold for all gpus. It depends on the component as 1.2v is an undervolt on many. But the higher it is, the more damage it does. You can look up safe voltages for anything. These are estimates of course and err on the side of caution but that's what you want anyways if you want things to last past their practical use. There are other factors that affect lifespan but both voltage and heat are the common killers and ones you affect when overclocking.

To say it simply, oc to the safe ranges of your specific part and you don't have to worry about lifespan.
 
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