Are these temps considered "high" for my CPU considering the cooler I'm using?

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sammael1984

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Jan 23, 2015
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This is my build:

CPU:Intel Core i7-4790K
MOBO:Gigabyte ga-z97x Gaming 5
GPU: GTX 980 Gigabyte g1 Gaming
Cooler: Phanteks PH-TC14PE CPU Cooler
RAM: Kingston HyperX Savage 16GB Kit (2x8GB) 1866MHz DDR3 Non-ECC CL9 DIMM XMP
HDD: WD Caviar Dark 1TB
SSD: 850 EVO 120GB
Power Supply: EVGA SuperNOVA 850 G2
Case: Nzxt H440

Hello, guys. I am totally new to this, and I really need your help with this.

I am using Open Hardware Monitor to check the temps on my CPU, and since I don't have any comparison or reference point, I have the following questions regarding my system:

1.-When idle my temps across the cores range from 29 to 32, aprox. Is that considered normal or "expected" given the cooler I'm using? Or even with the stock fan I would get those tems?
2.-Which signals should I be looking for to if I wanted to determine that my thermal compund application was good enough? I mean, do you recommend any tests to check if my temps are consistent?
3.-Yesterday, for about 10 minutes I applied prime95, but I stopped it when the tems got to 82 and my fans were evidently overworking.
4.-I have noticed that even when idle and just looking at the temps on the Open Hardware Monitor, the temps of my CPU cores go to 40 or 45, I'm am like "wtf?" They don't stay there, those are like random heat peaks or something, I don't know.
5.-I used the pea method when applied the thermal compund, but I must admit that I used more force than I had expected when instaling the cooler and it did move around considerably. Should I detach the cooler and double check the thermal compound? Or are there any other tests that would tell me if my cooler is not working properly without actually atking the whole thing out?
6.-I haven't played any games at all since I just put it together recently, so I don't know the temps for any game yet, but, for those of you who know, what temps should I be expecting for the most demanding games regarding to CPU alone? I haven't installed my GPU since it will not arrive until tomorrow, does that affect my tems in any way?

Sorry for all these questions, guys, I just really, really want to learn.

I thank you all in advance
 
Solution
CompuTronix
sammael1984,

What is your ambient temperature?

Which version of Prime95?

Do NOT run any versions of Prime95 later than 26.6. Here's why:

Core i 2nd, 3rd and 4th Generation CPU's have AVX (Advanced Vector Extension) instruction sets. Recent versions of Prime95, such as 28.5, run AVX code on the Floating Point Unit (FPU) math coprocessor, which produces extremely high temperatures. The FPU test in the stability testing utility AIDA64 shows similar results.

Prime95 v26.6 produces temperatures on 3rd and 4th Generation processors more consistent with 2nd Generation, which also have AVX instructions, but do not suffer from thermal extremes due to having a soldered Integrated Heat Spreader and a 35% larger Die...
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CompuTronix

CompuTronix

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Nov 13, 2006
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sammael1984,

What is your ambient temperature?

Which version of Prime95?

Do NOT run any versions of Prime95 later than 26.6. Here's why:

Core i 2nd, 3rd and 4th Generation CPU's have AVX (Advanced Vector Extension) instruction sets. Recent versions of Prime95, such as 28.5, run AVX code on the Floating Point Unit (FPU) math coprocessor, which produces extremely high temperatures. The FPU test in the stability testing utility AIDA64 shows similar results.

Prime95 v26.6 produces temperatures on 3rd and 4th Generation processors more consistent with 2nd Generation, which also have AVX instructions, but do not suffer from thermal extremes due to having a soldered Integrated Heat Spreader and a 35% larger Die.

Please download Prime95 version 26.6 - http://windows-downloads-center.blogspot.com/2011/04/prime95-266.html

Run only Small FFT’s for 10 minutes.

Use Real Temp to measure your Core temperatures, as it was designed specifically for Intel processors: Real Temp - http://www.techpowerup.com/downloads/2089/real-temp-3-70/

Your Core temperatures will test 20C lower with v26.6 than with v28.5.

Please read this Tom’s Sticky: Intel Temperature Guide - http://www.tomshardware.com/forum/id-1800828/intel-temperature-guide.html

Thanks,

CT :sol:
 
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Solution
4Ryan6

4Ryan6

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Apr 14, 2002
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First off there is really no cause for alarm, regarding your temperatures, that's pretty much normal for your particular situation, being that you are actually using the CPUs graphics (according to #6), which adds heat, plus you are overclocking your CPUs memory controller by running the XMP Profile which auto sets the memory at 1866mhz adding extra heat, as 1600mhz memory speed would not be overclocking the memory controller at all.

You probably should understand that the i7-4790K has a lot going on under the hood especially since Intel added the voltage controller to the CPU itself with the 4th generation of CPUs or Haswell, and the 4790K is an overclocked CPU.

The 4790K clocked at 4ghz in comparison to the 4770K clocked at 3.5ghz, is overclocked out of the Intel factory door, and overclocked equals higher heat under load.

Most running their 4790Ks are doing so with discrete graphics cards (Noted yours is coming), and more than likely disabling the on board graphics of the CPU itself which lowers load temperature.

You can lower load temperature by disabling the memory XMP profile and manually setting your memory speed to 1600mhz at 9,9,9,24 settings at 1.50v.

Otherwise Good Luck and Best Regards!

 
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Apparent

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Feb 5, 2015
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Hi,sorry to jump in here,but I just tried the advice given by CompuTronix regarding prime95 I downloaded them through the links he provided & they really helped my problem I have watercooled my CPU I7 4770k & this truly did give 20•C less read on temps & matched all the other softwares I could use. So thanks for your help for me CompuTronix I got very accurate readings now. Before all monitoring softwares were reading totally different temps when checking in realtime.
 
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4Ryan6

4Ryan6

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Apr 14, 2002
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Thank You Apparent!

For giving CompuTronix that recognition, he has invested a lot of time, research, and effort, in creating that thread to help others, and that is obvious to anyone that has actually used it!

He'll appreciate your comments when he discovers your post.

Ryan

 
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