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3770k Overclock Heat issues with H100i?

post #1 of 24
Thread Starter 
Guys, this is my first time overclocking on a UEFI system so it's all a little new for me. So I have a new system installed (in the signature).

Essentially it's the 3770k on an Extreme4 with the Samsung Value Memory at 16GB. The CPU is cooled an an H100i with Arctic Silver Thermal Compound.

Right now I have the CPU Overclocked at 4.2 GHz at 1.25v. Idle temps look fine. Memory is not overclocked and is running at standard at the moment.





After running the intel burn test I am seeing temperatures hitting just shy of 100*c. Now I've been reading back and forth that some people say it's normal because of the Trigate resistors and on and on. But I'm not used to seeing CPU temps hitting triple digits. Now I've re-seated the H100i block 3 times now. All with very similar temps. Core 0 is always 10*c warmer. Note that the Corsair H100i fans are at 100% RPM.

Lastly the thermal compound spread is pretty even. I'm at a loss here and I'd love to keep my temps down as much as possible for stress testing and for overall usage. I'm not planning on going past 4.2 GHz but I also don't want to stress my CPU as if it was running at nearlly 4.7 GHz or higher.

Help would be greatly appreciated!




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post #2 of 24
Miles too much thermal paste to start with, you just need a rice sized blob in the middle.

What Vcore are you giving your CPU? You shouldn't need more than 1.22v for such a modest overclock.

Comps

EDIT - Also get coretemp and try that, I think realtemp can put in a offset.
post #3 of 24
I agree that's WAY to much..
 
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post #4 of 24
I can also see it's not an even spread and looks as though it's got bubbles. You need less and to put the heatsink on first time and lock it in place. That way you won't get the bubbles you've got there.
post #5 of 24
Quote:

holy moly thats alot of thermal paste. Put a rize shaped blob in middle, press down firmly with block and secure it. This will take care of spreading it out
     
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post #6 of 24
Thread Starter 
Ok, I'll reapply tonight. I did a spread across all of the CPU. The second time was considerably much more thinking I didn't put on enough the first time.
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post #7 of 24
A grain of rice is normally enough, also check your voltage.

Comps
post #8 of 24
I think you probably need to delid that chip or return it - sounds like bad contact between the IHS and the CPU package. I agree that's too much thermal paste on the waterblock, but that would only make a fairly small difference (especially considering you've already tried remounting).
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post #9 of 24
No and No on the returning it and the de-lidding.

He's not even checked his Vcore, there is no way that at full load he's running it on 0.9v, if he's got his voltage set to auto it'll pump through a stupid amount. You're jumping to the worst case scenario without even checking the basics.

Comps
post #10 of 24
Thread Starter 
I have offset enabled at 0.005+ and vCore is at 1.232, on board video is disable, when on full load. I keep speed step on for power saving. Which explains the .88 v on the last screen shot. May have to view the main screen for the full load pic. I keep the computer on and remotely connect to it for work purposes. Don't want it running at 4.2 GHz when it sits idle for 80% of the day.


There's some fine tuning I'll run through. You're right the voltage is high and will review that tonight.

An interesting thought my co-worker suggested as well, is getting some of the plastic washers to put between the bracket and the back of the motherboard because the Extreme4 is a thinner pcb than other boards and the block may not have enough pressure on the cpu.
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