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How bad is 53C - 55C - Page 2

post #11 of 21
the general rule is try to leave it under 60, you are under 60, have a good life
post #12 of 21
Quote:
Originally Posted by Joeking78 View Post
Are you using AS5?

If not, give it a try. After curing period you might see a few degree drop

Anyway, 55c is ok but you wouldn't want to go over 55c for long periods. IMO you should lower the overclock/votlage just to be on the safe side
No need. 55c is perfectly fine for that processor on load. Won't hurt the thing a bit.
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post #13 of 21
I always understood that 55c was the limit. Anyway I'm a C2D owner ignore me
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post #14 of 21
Quote:
Originally Posted by Joeking78 View Post
I always understood that 55c was the limit. Anyway I'm a C2D owner ignore me
no there is definitely no limit per se, honestly you could prob have it run at 80-90C at all time, I'd bet nothing would happen for a few years
post #15 of 21
Quote:
Originally Posted by B-80 View Post
no there is definitely no limit per se, honestly you could prob have it run at 80-90C at all time, I'd bet nothing would happen for a few years
How odd that you mention this.

In all honesty, I was going to post a long reply to this thread, regarding some information my best friend's father (who is an electronics engineer who designs computer chips of all kinds) gave me last year. But I reconsidered, because I might be asked to provide proof, and I really can't. But I feel better about sharing this because B-80 essentially substantiates the following information.

Basically, he told me that modern processors' thermal limits are much higher than what conventional wisdom would have you believe. Specifically, he cited that modern chips are tested to function flawlessly at the temperatures you cited (80-90 degrees C) for hours on end. One of the reasons why this isn't declared is that this is more or less the limit of chip architectures, and that only some chips yielded from a wafer are capable of running at these conditions for any length of extended time. Most chips, though, have thermal limits at around 70-80 degrees C. Therefore, it's a random matter whether or not you have a chip that can run at these super-high limits.

I asked him about how these high sustained temperatures affect processor reliability. He told me that CPUs for consumers (including "server-type" CPUs like the single-socket Opterons) aren't really designed for super-extended usage at these abnormal conditions, but their functional life would still be longer than their life as a relevant piece of technology. In other words, a consumer would more likely retire a CPU earlier (because of technology advances) than it would just naturally die.

Dead or "weak" CPUs out of the box, he said, are very rare, and often result from some manufacturer-level defect, most likely a bad combination of materials. Also, CPUs subjected to just absurd levels of abuse would just naturally expire. This is partly why we hear stories of CPUs still functioning even after a time of failed cooling, or if a chip has bent pins or even pins that have broken off.

Back on point, though: Load temps of around, say, 60-70 degrees, even sustained, are fine. But the conventional wisdom is still wisdom: Cooler is always better.

Hope this long read helps!
    
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post #16 of 21
Quote:
Originally Posted by txtmstrjoe View Post
How odd that you mention this.

In all honesty, I was going to post a long reply to this thread, regarding some information my best friend's father (who is an electronics engineer who designs computer chips of all kinds) gave me last year. But I reconsidered, because I might be asked to provide proof, and I really can't. But I feel better about sharing this because B-80 essentially substantiates the following information.

Basically, he told me that modern processors' thermal limits are much higher than what conventional wisdom would have you believe. Specifically, he cited that modern chips are tested to function flawlessly at the temperatures you cited (80-90 degrees C) for hours on end. One of the reasons why this isn't declared is that this is more or less the limit of chip architectures, and that only some chips yielded from a wafer are capable of running at these conditions for any length of extended time. Most chips, though, have thermal limits at around 70-80 degrees C. Therefore, it's a random matter whether or not you have a chip that can run at these super-high limits.

I asked him about how these high sustained temperatures affect processor reliability. He told me that CPUs for consumers (including "server-type" CPUs like the single-socket Opterons) aren't really designed for super-extended usage at these abnormal conditions, but their functional life would still be longer than their life as a relevant piece of technology. In other words, a consumer would more likely retire a CPU earlier (because of technology advances) than it would just naturally die.

Dead or "weak" CPUs out of the box, he said, are very rare, and often result from some manufacturer-level defect, most likely a bad combination of materials. Also, CPUs subjected to just absurd levels of abuse would just naturally expire. This is partly why we hear stories of CPUs still functioning even after a time of failed cooling, or if a chip has bent pins or even pins that have broken off.

Back on point, though: Load temps of around, say, 60-70 degrees, even sustained, are fine. But the conventional wisdom is still wisdom: Cooler is always better.

Hope this long read helps!
If this isn't a "long reply", then what is? War and Peace?
    
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post #17 of 21
Quote:
Originally Posted by Choggs396 View Post
If this isn't a "long reply", then what is? War and Peace?
True enough.

Believe it or not, I had more, but deleted before posting.

My apologies for being long-winded.
    
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post #18 of 21
Quote:
Originally Posted by txtmstrjoe View Post
True enough.

Believe it or not, I had more, but deleted before posting.

My apologies for being long-winded.
hehe, I was just busting your balls a little. All in good fun. Sorry if I came off as a "male donkey".
    
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post #19 of 21
Quote:
Originally Posted by Choggs396 View Post
hehe, I was just busting your balls a little. All in good fun. Sorry if I came off as a "male donkey".
It's all good!
    
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post #20 of 21
And good information like that isn't long winded at all. I actually learned something. rep'd
    
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