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Can I run Sandy Bridge w/1.425v 24/7? - Page 4

post #31 of 61
Quote:
Originally Posted by BallaTheFeared;11980735 
No 14c frown.gif

With my horrible $100 kit, I concede.

You mean 24*C with the average 10*C adjustment needed for all Thuban CPU's.

You must have it in front of an air conditioner or something?
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post #32 of 61
It's 15C on the cpu (TEMPN1), so no, not 24C at all.
    
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post #33 of 61
Quote:
Originally Posted by BallaTheFeared View Post
It's 15C on the cpu, so no, not 24C at all.
lol k. Not proving this again.

What's the ambient temp?
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post #34 of 61
Quote:
Originally Posted by Trogdor View Post
You mean 24*C with the average 10*C adjustment needed for all Thuban CPU's.

You must have it in front of an air conditioner or something?
he's got some ghetto caseless setup with a bunch of fans blowing on it and next to an open window probably like 5-10c ambient

lmao, not the average user
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post #35 of 61
Quote:
Originally Posted by Trogdor View Post
lol k. Not proving this again.

What's the ambient temp?
Inside 60C, outside -3C.

There is nothing to "prove" I already know if on air and high temps the gap between core and cpu is much greater. The only thing that really matters is CPU temp, cores are pointless as they mean nothing. I get 15C cpu temp, max the 1090T is rated for is 62C.
    
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post #36 of 61
OP~ I wouldn't run a 32nm CPU that far out of it's voltage limits for 24/7 use no matter the cooling solution. I think it's going to degrade pretty quickly.


Quote:
Originally Posted by BallaTheFeared View Post
Inside 60C, outside -3C.

There is nothing to "prove" I already know if on air and high temps the gap between core and cpu is much greater. The only thing that really matters is CPU temp, cores are pointless as they mean nothing. I get 15C cpu temp, max the 1090T is rated for is 62C.
Okay you've enticed me and I know how you enjoy a good argument.

CPU is socket temp, measured somewhere in the motherboard socket. Core temperature is measured from a diode within the CPU.

So why is it that my CPU temp goes down when I have a fan blowing on the back of the socket but Core temps don't change? Or, why is it that when I switched from a Megahalems to my water loop did my Core temps go down nearly 20*C but my CPU temp only dropped 1*C - 2*C?

With your theory it doesn't make any sense to use a water loop if it's only going to lower the Core temp since you say they don't matter especially since I can get a fan for $10 to aim at the back of the socket to lower CPU temp.
Edited by Trogdor - 1/12/11 at 12:57am
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post #37 of 61
I see your argument but then every form of cpu temp reading falls into it's pitfall anyways so I'm not sure I get your point on it.

And even to an extent external temp readings with a real meter aren't good for anything as they can only measure surface temps.

Not sure on the last bit - my temps on air were far higher though so I can't share that same experience with you.


If X6 core temps are truly off, then there is no way you can simply add x amount and say that's the real temp. It's not even close to scientific.


Also please note that "10-13" degree difference people cite is in direct coloration to the cpu vs core temps.
Edited by BallaTheFeared - 1/12/11 at 1:12am
    
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post #38 of 61
Quote:
Originally Posted by BallaTheFeared View Post
I see your argument but then every form of cpu temp reading falls into it's pitfall anyways so I'm not sure I get your point on it.

And even to an extent external temp readings with a real meter aren't good for anything as they can only measure surface temps.

Not sure on the last bit - my temps on air were far higher though so I can't share that same experience with you.


If X6 core temps are truly off, then there is no way you can simply add x amount and say that's the real temp. It's not even close to scientific.


Also please note that "10-13" degree difference people cite is in direct coloration to the cpu vs core temps.
I'm trying to say that the CPU temp is less accurate than Core temp because CPU temp can be changed with the addition of a fan on the back of the motherboard where the Core temp can only be changed with cooler ambient air or a better CPU cooling solution.

Agreed, surface temperature readings are useless in this scenario.

I think it's quite obvious that Core temp readings are off because an air cooler cannot cool a CPU below ambient temperature. I agree that it is not scientific, but based on stress test temps compared with other overclocks and voltages I think it's close.

With a Core temp adjustment of +11*C i've seen readings of 61*C without a BSOD. These clocks have had the same BIOS voltage settings as users with water loops. And as some of us believe, Thubans will usually BSOD around the 55*C mark, proving that these Core temp adjustments may be on the high side.

Yes, the 10-13*C estimate has been based on the relation between the two readings.

Hope I explained it well enough, it's late
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post #39 of 61
Why couldn't the cpu therefore be cooler if you provided it with extra cooling?

+1

I dunno about that BSOD at 55C or even 61C. I ran my old x4 up to those levels with a Zalman cooler and it never BSOD from them even at 4.1GHz.

    
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post #40 of 61
Remember that high voltage doesn't only give higher temps, it increases the magnetic stuff aswell no?
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