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Overlocking 4770k on a thick 360 radiator

post #1 of 8
Thread Starter 
I've read about all of the horror stories about the heat problems with 4770k. It seems most people are overclocking them on air or closed loop coolers.

I was wondering if anyone had any experience dedicating an entire a thick 360mm radiator to the CPU and what kind of temps they got while overclocking. Does all of that cooling potential make a difference? Or is the heat simply not being passed from the CPU to the heat spreader efficiently enough?
post #2 of 8
I do run a dedicated 3x120 thick rad on a 4770K. Oced at 4,2ghz with 1,26v running at 100% (folding), max temp is 75c with 27c ambient. Mind you that i run one of the crappiest cpu you can possibly get. Ofc there is the option to delid and save 15-20c on the max temps.
Pure Dark TJ07
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Pure Dark TJ07
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post #3 of 8
Quote:
Originally Posted by ChaosAD View Post

I do run a dedicated 3x120 thick rad on a 4770K. Oced at 4,2ghz with 1,26v running at 100% (folding), max temp is 75c with 27c ambient. Mind you that i run one of the crappiest cpu you can possibly get. Ofc there is the option to delid and save 15-20c on the max temps.

Think its time you upgrade your SIG RIG teaching.gif

hehehe biggrin.gif
Blazer
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post #4 of 8
Thread Starter 
Thanks for the info. Although it's disappointing that such a big radiator still can't cope with the heat problems of Haswell. I don't think the worst case 4770k overclockers justifies the cost of coming from a 4ghz 920. The performance increase just doesn't seem to be worth it.
post #5 of 8
Quote:
Originally Posted by RSharpe View Post

Thanks for the info. Although it's disappointing that such a big radiator still can't cope with the heat problems of Haswell. I don't think the worst case 4770k overclockers justifies the cost of coming from a 4ghz 920. The performance increase just doesn't seem to be worth it.

It isn't the heat Haswell creates, its the inefficiency of transferring it from the die to the IHS. If you delid your chip and install better thermal paste and less of it, temps drop. However, this is not something that doesn't take risk of destroying your chip and voiding your warranty.
post #6 of 8
Quote:
Originally Posted by RSharpe View Post

Or is the heat simply not being passed from the CPU to the heat spreader efficiently enough?

Correct. thumb.gif
post #7 of 8
3 x 240 radiators (UT60) - Direct on die (No IHS at all) using Coolaboratory Pro - 4770K running at 1.425 Vcore (Multiplier 49) - Max temp after 6 hour stressing was 83C.
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Frozen Kaveri
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post #8 of 8
Thread Starter 
Thanks guys for confirming my suspicions, and perhaps saving me a whole lot of time and money upgrading smile.gif
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