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i7-4790K overheating, 90+°C on stock settings - Page 9

post #81 of 93
Thread Starter 
That makes sense. But I didn't intend on doing heavy overclocking, just maybe operating with all cores synced on 44, obviously with SpeedStep on and everything. I was under the impression that especially with a bit of tweaking on the voltages it would be totally under the Evo's capabilities to keep the chip below 80. I'm sure other users can confirm... so all you 4790K+212EVO owners, a word from your user experience is appreciated!
post #82 of 93
Thread Starter 
...however, 212EVO aside, temps are too high at stock settings with the stock cooler anyway.

Delidding might "save" the chip, but I don't know that I want to take the chance.
post #83 of 93
The stock cooler at stock settings will put your chip pretty close to the thermal limits. Intel has been this way for a little bit now.
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post #84 of 93
Thread Starter 
So here's what some guy from a computer shop told me today: if you let a CPU with IHS/TIM combination (not soldered) repeatedly overheat, say you let it go to 90-95, maybe 100 multiple times and possibly for long extents of time, , even if it's new, the TIM degrades and the processor will consequently overheat even more.

He seemed very sure of what he was saying. It didn't sound right to me.

Opinions?
post #85 of 93
Quote:
Originally Posted by powderfinger View Post

So here's what some guy from a computer shop told me today: if you let a CPU with IHS/TIM combination (not soldered) repeatedly overheat, say you let it go to 90-95, maybe 100 multiple times and possibly for long extents of time, , even if it's new, the TIM degrades and the processor will consequently overheat even more.

He seemed very sure of what he was saying. It didn't sound right to me.

Opinions?

RMA the cpu i see many of 4790k with very high temp the only fix for this RMA

GL with RMA smile.gif
   
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post #86 of 93
Quote:
Originally Posted by powderfinger View Post

So here's what some guy from a computer shop told me today: if you let a CPU with IHS/TIM combination (not soldered) repeatedly overheat, say you let it go to 90-95, maybe 100 multiple times and possibly for long extents of time, , even if it's new, the TIM degrades and the processor will consequently overheat even more.

He seemed very sure of what he was saying. It didn't sound right to me.

Opinions?
Some pastes will dry out after staying hot for a while. But some pastes do well after heat cycles like AS5, it's called "Curing Time".
Quote:
Originally Posted by Mr-Dark View Post

Quote:
Originally Posted by powderfinger View Post

So here's what some guy from a computer shop told me today: if you let a CPU with IHS/TIM combination (not soldered) repeatedly overheat, say you let it go to 90-95, maybe 100 multiple times and possibly for long extents of time, , even if it's new, the TIM degrades and the processor will consequently overheat even more.

He seemed very sure of what he was saying. It didn't sound right to me.

Opinions?

RMA the cpu i see many of 4790k with very high temp the only fix for this RMA

GL with RMA smile.gif
What exactly is wrong with the CPU? He shouldn't RMA now in case he does actually need to later.
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post #87 of 93
Quote:
Originally Posted by AcEsSalvation View Post

Some pastes will dry out after staying hot for a while. But some pastes do well after heat cycles like AS5, it's called "Curing Time".
What exactly is wrong with the CPU? He shouldn't RMA now in case he does actually need to later.

The paste will not shoot the temp to 85c @1.08v and 212 evo

something wrong with the cpu itself i see many people with same problem the internal paste between die and IHS bad or something

at this temp now he need D14 cooler or 240m AIO for good temp @stock that not Acceptable
   
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post #88 of 93
Turn off asus core enhancment. Its auto overclocking and overvolting too much.
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post #89 of 93
Thread Starter 
Quote:
Originally Posted by Wirerat View Post

Turn off asus core enhancment. Its auto overclocking and overvolting too much.

It's already off. Memory at DDR1600. I am testing with stock voltages and stock Intel turbo settings. 44 44 43 42.

I have attached a few images you'll be familiar with. What I have actually noticed now is that CPUTIN temp (isn't it Tcase, the "external" temperature of the lid?) stays surprisingly low, as if the heat isn't transferring to it, and therefore to the heatspreader. If that's correct, then the hypothesis of a bad core-TIM-IHS interface is well founded.

Screenshot during Prime95 v.26.6:




OCCT small datasets (notice how steep is the jump in CPU temp, and how very slowly CPUTIN rises):




post #90 of 93
the amount of paste shown - looks way too much! Use less or do what i do put a small dollop in the middle and use a old credit card and scrape off gently over the cpu like filler on a wall.

thermal paste is for filling in tiny indentations that we cant see - metal to metal is the best thermal properties, but alas heat sink and cpu are never perfect.

further still, plenty of YouTube vids to compare thumb.gif
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