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Afraid I've ruined my HD7950.. - Page 2

post #11 of 17
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Quote:
Originally Posted by ThriftyPo View Post

its fine as long as the overclocks are stable. run some stress tests on the card to test if it works out well. I also recommend checking your temps at load too, a rule of thumb is usually anything above 80c is not good.
The scare about voltages is really just to warn people that voltage can increase the gpu temp, so it is important to make sure you are running at reasonable load temperatures. Although too high of a voltage can kill the card for good, but it probably isn't possible just by sliding the bars to max. You will have to mod your bios to do something like that.

Oh great, that sounds logical! Thanks man smile.gif!
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post #12 of 17
Quote:
Originally Posted by Liradon View Post

Hey OC

I recently bought a new ASUS HD79750-DC2 TOP. Installed all the drivers etc, but I wasn't convinced of it's power. My friend told me to overclock it, because "overclocking a GPU is not as hard and as dangerous as overclocking a CPU. It's simple. Just slide all the bars to max.". That is what he said..
I did this and played crysis and tomb raider for about 3 hours with these settings. GPU clock at 1.1 ghz, mem clock at 6.3 ghz, power target at 120%, but the worst part : standard GPU voltage is 1094, I put it at 1150, and standard mem voltage of 1600, which I put at 1750 . I did see some performance increase though.. But then I started doing some research, and found out that you better not touch your voltages AT ALL unless you know what you're doing.

I'm very concerned that I've ruined or damaged my GPU due to these ridiculously high voltages I gave it (without knowing anything about OCing)...
Can you guys give me some feedback about how bad this is?

You should be fine.
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post #13 of 17
No too much voltage usually just leads to too much heat and your card has protections against letting it get so hot it can actually be damaged. It "throttles" down to lower and cooler settings on it's own. They also generally wouldn't let the slider go so high that it could be be killed instantly. That said, it's still not a good idea to just max anything like that without knowing what you are doing and what a ballpark "safe limit" is.

You should tear your buddy a new one for his crappy and reckless advice. At least he isn't trying to talk you into some crazy subzero escapade. tongue.gif
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post #14 of 17
Quote:
Originally Posted by Liradon View Post

Well, I'm very impulsive.. My friend and I both bought a new system. His contains an Intel 4670K and an HD 7870 (OC edition), mines got an AMD FX-8350 and an HD 7950.
All he cares about are benchmarks. So, we both did some benchmarks with our new system. My CPU performs better than his, but his GPU performs better then mine, which I don't understand at all! It costs alot more and has a way better architecture than his 7870 (OC edition). So I remembered what he said about OCing your GPU and jumped straight into it, without thinking of any concequences..
Lesson learned.

Hmm interesting, a 4670K is better than an fx-8350 and a 7950 is better than a 7870.
post #15 of 17
Its wierd that his 7870 would perform better, do you know if it is a "tahiti" 7870? The 8350 and i5-4760k are neck and neck so really either could win different benchmarks
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post #16 of 17
Yeah your safe Liradon I pumped my voltage to 1.3v and it was perfectly fine thumb.gif
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post #17 of 17
I am pretty sure your card is fine, i have run 1180mV on my Asus HD7950 DCU II and never had any problems so unless you are unlucky i doubt you have damaged your card.
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