Cooler for i7 4770k

Snake_A

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Hello,

I got my i7 4770k and Z87X- OC mobo a few days ago ( on Thermaltake 750w PSU). I have installed the stock cooler and when i run Intel burn test, the temperature of the cpu rises up to 91 degrees celcius. Is this normal ?

Im also looking for a cooler (Air is preferred) in order to be able to OC my cpu a bit, or keep it cooler at stock settings.I have also considered Liquid Coolers such as Corsair h100 which are quite expensive.

Im not gonna OC to any extreme values so i assume that i just have to get a good air cooler. I've read thet Coolermaster EVO 212 is a good value/performance, but if there is anything a bit more expensive, that will dramatically improve temperature (over EVO), then im willing to spend anothe 10-20 pounds .

Any suggestions?

Thank you!
 
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Snake_A

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Thank you for your reply!

I have read numerous posts about i7 4770k and many people experience 90-100 degress with Intel Burn Test. Prime95 and Aida64 Stability Test make the cpu reach only 75-80 degrees where Intel Burn Test is frying the CPU at 100 (Maximum Settings) and makes it throttling...

I have tried to install the stock cooler again, i got better results but again with Intel Burn Test at maximum the cpu started throttling....

 
OK, I think I see what you're getting. THe newer Intel CPUs do in fact do that. Once they see that work is being thrown at them they can kick into Turbo boost mode, however that heats them up more and so they monitor the temps and if temps get over their limits, they will throttle back.


Newer AMD GPUs also do this - I think the term they use is "Thermal envelope".

So yes, if you throw the burn-in test at the CPU, it will run as hot as it can tolerate. That is all working as designed then. I'm a little surprised that it goes that far over it's TCase value, but then I'm not intimately familiar with thermals. The fact is that while you are not overclocking, and hte board isn't overclocking (some high-end bord automatically send signals that attempt to run the CPU at boost speed by default), then your CPU should look after itself and throttle back when it approaches it thermal limits.

That makes the ultimate performance of your CPU (or GPU) entirely dependent on two factors.

1. The luck of the draw - some chips are better than others. (Look up the term "binning".)

2. How good you cool the chips. This is where liquid cooling comes in - it's always superior to air cooling. even closed loop coolers are more efficient than liquid coolers. May be why I don't see the phenomenon you describe, I've not build an air-cooled machine in the last 4-5 years and I never recommend it to people that ask my advice.
 

Snake_A

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yeap, thats a logical explanation! But what shall i get for an i7 4770K ? I have no experience with custom loops, hence i wouldn't go that way. I've read abouta Corsair H60, H100... But are they worth it for non-extreme overclocking ?
 
I use closed-loop coolers (not the double radiators, just the single 120mm or 140mm in one instance and I'm happy - my PCs run cool and quiet.

I like the Stock Intel liquid cooler, but a lot of people here don't - I think they object to the Asetek block, IIRC. My friend also has a"stock" Intel on his rig and he too loves it.

I've used a Corsair H50 and didn't like it.

I love the Kraken series.
 


It's worth it in the respect the cooler you keep even a mild overclock the longer the CPU will last you, taking all the available options into consideration with your skills that you've mentioned a Corsair H100i may be your best long term option.

http://www.corsair.com/en-us/hydro-series-h100i-extreme-performance-liquid-cpu-cooler

What you don't want to do is buy the Cooler Master 212 EVO and not be in any better temperature range.



 
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Snake_A

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A friend of mine is selling his Noctua NH-D14 for 35GBP which is a good price. The only problem is that it is a bit modified.

Here are some pictures:

http://s2.postimg.org/wq9xz3xmh/IMG_1605.jpg
http://s16.postimg.org/5e8t92t8l/IMG_1606.jpg
http://s9.postimg.org/7rftk3g3z/IMG_1607.jpg
http://s28.postimg.org/hyjdf4tvx/IMG_1608.jpg
http://s12.postimg.org/xxcazk7a5/IMG_1609.jpg
http://s27.postimg.org/59q1lkin7/IMG_1610.jpg
http://s3.postimg.org/aluvgfaz7/IMG_1611.jpg
http://s30.postimg.org/br56j6kb5/IMG_1612.jpg

- As you can see, there is a small scratch at the bottom .
- some metallic tubes are cut
- The heat-sink is bended in some places
- he said that some kind of rubbers that are between the fan and the heat-sink are missing.

Is it worth it ?
 


Absolutely NOT!

Cutting those sealed heat pipe tubes is bad!

Why the heck did he do that?

 

Snake_A

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yeah but they cost 3 times the price of an air cooler... and damn, im struggling with money... I think Im going to get the 212 EVO, and hopefully i will be able to decrease the temperature of my cpu

 


Well there is another option not as bad price wise comes with 2 120mm fans in a push pull setup.

http://www.newegg.com/Product/Product.aspx?Item=N82E16835106216