Need Help - Overclocking and Cooling 4770K

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Pepo2915

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Apr 29, 2013
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Hello friends, I need advice for this.

My Rig:

Case: Commander MS-I
CPU: Intel I7 4770K at 3,5 Ghz (Turbo boost disabled) (Stock Air Cooler)
Mobo: ASUS MAXIMUS GENE VI
RAM: 16 GB DDR3 1866 Mhz GSkill Sniper
GPU: Zotac GTX 780Ti AMP
PSU: NZXT HALE82 650W Modular 80 PLUS BRONZE

Need advice about what´s the minimum cooler (Air or water) needed to reach stable/relaxed 4.0 Ghz with my CPU.
It´s for gaming and every day use.

I´m on budget so keep it in mind.
My room temp is between 20° Celsius and 33° Celsius.
I know that my case wont support many water cooler´s but im willing to mod it.

Thanks for your help

Gustavo.


 
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dgingeri
Don't go high end. The high end coolers don't perform much better on a 4770k than the midrange, mainly because of the packing design flaw of the chip itself.

There's a little gap between the actual chip and the IHS, and that is filled with a low grade thermal interface material. If they'd just adjusted that gap by 0.6mm, it would make a huge difference in the temps of the chip.

My attempts at cooling my 4770k were inadequate because of the chip itself. I used a Corsair H100i, one of the better closed loop cooling units. Yet I still wasn't even able to get it to run 4GHz. It would run up to 4.4GHz on a basic level, but press the CPU hard, and it would reach up to 95-96C and thermally throttle down to 3.7GHz, then settle at 80C...
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Ytyoussef

Ytyoussef

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If you're looking for the best cooling for your CPU, there's the NH-D15 that's the best air cooler. If you want an AIO, the H110 is only slightly better than the d15 as that cooler beats almost all AIOs , but it is also louder (even though it's one of the quieter AIOs) P.S. Your post isn't complete
 
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Pepo2915

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Apr 29, 2013
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I updated the question.
 
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dgingeri

dgingeri

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Don't go high end. The high end coolers don't perform much better on a 4770k than the midrange, mainly because of the packing design flaw of the chip itself.

There's a little gap between the actual chip and the IHS, and that is filled with a low grade thermal interface material. If they'd just adjusted that gap by 0.6mm, it would make a huge difference in the temps of the chip.

My attempts at cooling my 4770k were inadequate because of the chip itself. I used a Corsair H100i, one of the better closed loop cooling units. Yet I still wasn't even able to get it to run 4GHz. It would run up to 4.4GHz on a basic level, but press the CPU hard, and it would reach up to 95-96C and thermally throttle down to 3.7GHz, then settle at 80C at 3.7GHz. What's worse about it is that the H100i wouldn't even reach midrange temps. It would spin up the fans and pump to medium speed, but never reach high speed, indicating that the heat just wasn't reaching the cooler. It was getting trapped in the chip, in that gap between the die and the IHS. While the chip would reach 95-96C, the cooler would only see temps of 60-65C. (At 60C, it ramps up to medium speed, and at 65C it would ramp up to high speed. Since it would hit medium, but not high, the temps had to be in the range of 60-65C.)

I tried delidding it to cool it better, and ruined the chip. The 4790k that I have now is a little better, but not much. It will overclock to 4.7GHz, but thermally throttle down to 4.0 if pressed hard. I'm certainly not going to try delidding a chip again.

So, with the 4770k, don't expect too much. A mainstream cooler that will handle 60-65C of heat will probably get the best performance you can get even with a high end cooler. A $35 Cooler Master Hyper 212 would probably do just as well as just about anything else, unless you want to chance delidding the chip.
 
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