Stock 4790k cooler.

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Rom Hook

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Apr 16, 2015
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Hi! I've upgraded to i7 4790k recently and I'm having some temperature issues when it's under full load. I am a graphics designer and use 3ds max Mental Ray render which makes all cores go up to 100°C at almost 4000MHz and 1.17v VID.
While playing Metal Gear Rising on ultra, the temperature stayed below 80°C for the most part.
On idle it's usually just below 30°C
Haven't tyred overclocking yet.
I'm using a stock cooler with a questionable thermal paste made in Poland called "Pasta Silikonowa". Can a thermal paste affect the temperature so much? Or is the stock cooler not doing it's job?

Thanks!
 
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I'll probably overclock at some point in the future. What was the point of getting a cpu with a K index then? Also, why are the stock coolers so bad?
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Joseph DeGarmo

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Mar 12, 2014
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Ideally you will want an aftermarket cooler since the stock cooler is crap. My Cooler Master Hyper TX3 keeps my 4790k running below 70°C at stock speeds (75°C with boost enabled) and is a cheap cooler. If you are going to overclock, then get a Hyper 212 EVO or better.
 
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Rom Hook

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Apr 16, 2015
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I've checked the coolers you've mentioned and it doesn't say that they fit the 1150 socket in the specs.
I'm resisting the urge to order the Noctua NH-U12S. The reviews are very positive though the price is pretty steep.
 
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kira70591

kira70591

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Feb 2, 2014
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FYI LGA 1155/56/50 all have the same mounting specifications. If it fits 1155/56 it should fit 1150.
 
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Pyre

Pyre

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Nah if he will overclock then he can consider noctua, if not get the cooler master TX3. Don't spend money on a product you will not utilize well. Pointless to get a cooler for overclocking if you won't overclock.
 
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Rom Hook

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Apr 16, 2015
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I'll probably overclock at some point in the future. What was the point of getting a cpu with a K index then? Also, why are the stock coolers so bad?
 
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kira70591

kira70591

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The stock cooler performs adequately for "normal" usage. Maxing out to 100% usage for an extended period of time is not "normal." It just does not have the structure to adequately transfer the heat away from the CPU under periods of stress. Aftermarket coolers have better designs, heat pipes, etc. In general, the larger the cooler, the more heat it will be able to dissipate if designed right. If it can fit inside of your case I would recommend the Cooler Master Hyper 212 Evo. This will not break the budget and will allow you to get a moderate overclock out of the CPU (or will still allow your CPU at stock speed to run at 100% without killing itself). If you want hardcore air cooling then the Noctua NH-D14 or 15 will provide you with some of the best air cooling.

If you want to save some space around the memory area, you could also get an AIO water cooler such as the Corsair H100i if it will fit inside of your case. These are generally around the same price as the high end Noctua solutions and will perform similarly to a certain degree (no pun intended).

As for thermal paste, there are a couple of different methods for application.

https://www.youtube.com/watch?v=fRRWbQUqW1Y
 
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