Intel 4790K is reaching 100C in a matter of seconds (Running RealTemp and Prime)

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sql4088

Reputable
Sep 15, 2015
2
0
4,510
Greetings everyone,

I think there is a problem with either my heatsink or motherboard settings (not giving up on this CPU yet!). There are many posts about this processor, it's obvious there may be a defect.

A quick note, this is my first post on Tom's Hardware and I really appreciate the professional advice here, I have used Tom's Hardware forums for a long time and I am very please with the provided guidance.

I first noticed the problem (Temperature spiking to over 100C) when I compiled a program in Visual Studio. I have CoreTemp and RealTemp installed and I've never had a shutdown but this system is completely unstable (in my opinion).

My background is that I've built about 5 PCs since 2002 and this is the first that has given me headaches. I am a programmer by day.

PC Specs (Summary)
Intel 4790K
MSI Z97 Gaming 7 (Latest BIOS as of Today)
Windows 7

PC Specs (Detail)
Operating System
Windows 7 Professional 64-bit SP1
CPU
Intel Core i7 4790K @ 4.00GHz
Haswell 22nm Technology
RAM
16.0GB Dual-Channel DDR3 @ 799MHz (10-10-10-27)
Motherboard
MSI Z97 GAMING 7 (MS-7916)
Graphics
Generic Non-PnP Monitor (1280x1024@60Hz)
DELL E198WFP (1280x800@60Hz)
2047MB NVIDIA GeForce GTX 650 (PNY)

Have a great night, looking forward to my next steps.



 
Solution
synphul
How many times the cpu is listed in threads needs to be taken with a grain of salt. I've seen threads saying their 4790k is overheating when it fact it's under 70c because they misread the thermal software. Failed aio water coolers. Many various problems that aren't attributed to the cpu itself.

Agreed, like others said a reinstall of the cooler needs to be done to make sure there wasn't some issue there with either amount of thermal paste or cooler mounting. No aftermarket cooler was mentioned, if the cpu is under high load for an extended period it could be more than the stock cooler can handle. It's a pretty bottom of the barrel cooling solution.

Things were checked like vcore voltage and said they were fine without saying what the...
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sql4088

Reputable
Sep 15, 2015
2
0
4,510
I checked the paste and the pins on the cpu. Nothing out of tve ordinary there.

I noticed numerous listings for heat issues for this CPU so I made sure all Overclocking settings on my BIOS were turned off.

Also, I noticed Intel has a gigantic thread (42 pages) on there forums with not real resolution.

I was thinking its the CPU fan too but I have seen cases where people have purchased after market/ high performance cpu fans (in reaction to this heat problem) that had little to no results.

If you check the forums here, 4790K is listed many times. Pretty obvious there may be a problem with the CPU model. I just wonder if there is an obvious setting I can check. I did look at the CPU voltage, nothing wrong there. How far do I take my investigation before I contact Intel?
 
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danny2000

Splendid
Sep 14, 2010
2,523
0
21,460
Remove heat sink and processor and clean-off any thermal paste from the heat sink and the processor.
Re-apply thermal paste and reinstall the heat sink.
that's where you NEED to start, as others have mentioned above, in order to eliminate a bad user installation.
 
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BlackJesus27

Reputable
Jul 9, 2015
127
0
4,710
check that the heatsink is making contact with the chip and if it is not tighten the screws on an aftermarket heatsink or just reseat the stock cooler a little!
depends what you are using, if this does not help then it could be a power delivery issue or just the fact that the chip may be a defect, hopefully not :|
 
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synphul

synphul

Champion
Mar 11, 2011
9,477
7
54,965
How many times the cpu is listed in threads needs to be taken with a grain of salt. I've seen threads saying their 4790k is overheating when it fact it's under 70c because they misread the thermal software. Failed aio water coolers. Many various problems that aren't attributed to the cpu itself.

Agreed, like others said a reinstall of the cooler needs to be done to make sure there wasn't some issue there with either amount of thermal paste or cooler mounting. No aftermarket cooler was mentioned, if the cpu is under high load for an extended period it could be more than the stock cooler can handle. It's a pretty bottom of the barrel cooling solution.

Things were checked like vcore voltage and said they were fine without saying what the readings were. A quick look using something like hwinfo64 can determine the core temps under load and at what frequency. If it was pushing over 4.4ghz then something may still in fact be overclocked in the bios. Some bios settings set the vcore too high by default without overclocking the cpu and vcore directly causes heat.
 
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