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     I have had problems with my 4790k since I got it, a year and a half ago. It has always run a little hot, but I figured I just got unlucky. It was a little disappointing, but I would be fine. 

     Until a few months ago, I just dealt with it. I had an H100i and it was in a mITX case, so the temps weren't great. It would idle in the 40's and during a stress test would get into the 70's. Then my SO wanted a PC so I gave her some parts including my cooler and I got a H100i GTX. For some reason, it got worse temps by about 10C. I reseated my CPU, reseated the cooler, applied new thermal paste, the whole 9 yards. But nothing worked.

     So I RMAed my CPU and Intel sent me a new one. At first it seemed to fix the problem a little, but I was still underwhelmed. It was pretty much just back to the temps I was getting with the H100i. At the time, I was busy with work and school and I decided I would deal with it later.

     Well, later is now. I did a bunch of testing, I removed everything that could possible obstruct airflow, including the front and top panels. Turned all of the fans up to 100%, under volted it and ran some tests. Lowest I could get it was 40C at idle and 72C with a stress test and that's with .2V less than stock.

     I'm running out of ideas, I contacted ASUS about something that could potentially be wrong with the motherboard, but they haven't got back to me yet. And I've contacted a friend that also has a 4790k to see if we could switch CPUs and run some tests to see if his CPU heats up as much as mine in my system. Although, I think I would have to be the unluckiest person on earth to get 2 CPUs that overheat in a row. Any suggestions would be great.

 

 

EDIT: I noticed that when I stop running a step test, the temps immediately (within a second) drop back to almost idle temps and then they slow go down from there, and as soon as I start the stress test it jumps up to about 68C and then climbs. Also, I have used OCCT, Cinebench, Intel Extreme Tuner and Prime95 (old version) for my stress testing.

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4 minutes ago, spartin503 said:

     I have had problems with my 4790k since I got it, a year and a half ago. It has always run a little hot, but I figured I just got unlucky. It was a little disappointing, but I would be fine. 

     Until a few months ago, I just dealt with it. I had an H100i and it was in a mITX case, so the temps weren't great. It would idle in the 40's and during a stress test would get into the 70's. Then my SO wanted a PC so I gave her some parts including my cooler and I got a H100i GTX. For some reason, it got worse temps by about 10C. I reseated my CPU, reseated the cooler, applied new thermal paste, the whole 9 yards. But nothing worked.

     So I RMAed my CPU and Intel sent me a new one. At first it seemed to fix the problem a little, but I was still underwhelmed. It was pretty much just back to the temps I was getting with the H100i. At the time, I was busy with work and school and I decided I would deal with it later.

     Well, later is now. I did a bunch of testing, I removed everything that could possible obstruct airflow, including the front and top panels. Turned all of the fans up to 100%, under volted it and ran some tests. Lowest I could get it was 40C at idle and 72C with a stress test and that's with .2V less than stock.

     I'm running out of ideas, I contacted ASUS about something that could potentially be wrong with the motherboard, but they haven't got back to me yet. And I've contacted a friend that also has a 4790k to see if we could switch CPUs and run some tests to see if his CPU heats up as much as mine in my system. Although, I think I would have to be the unluckiest person on earth to get 2 CPUs that overheat in a row. Any suggestions would be great.

 

 

EDIT: I noticed that when I stop running a step test, the temps immediately (within a second) drop back to almost idle temps and then they slow go down from there, and as soon as I start the stress test it jumps up to about 68C and then climbs. Also, I have used OCCT, Cinebench, Intel Extreme Tuner and Prime95 (old version) for my stress testing.

Also 69c is nothing you cpu can take 90c until throttling 

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What does the CPU clocked at ?

72C is good, mine reaching 85C with a good fan cooler @ 4.4Ghz / 4 cores load

CPU: i7-4790k || Mobo: MSI Gaming 5 Z97|| Ram: GSkill Ripjaws X 16GB (2x8GB) || GPU: Sapphire Tri-X r9 390x || Case: CoolerMaster cm storm scout 2 || Storage: samsung evo 850 500GB , WD Black 3TB , WD Green 2TB , WD 1TB external (backups/Media) , Seagate 1TB external (Backups) || PSU: Seasonic X-Series 750W 80+ GOLD || Displays: Samsung C24FG70 , Dell U2414H || Keyboard: Logitech G810 || Mouse: Logitech G502 proteus spectrum || Headset: Logitech G633

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How is 69° overheating.... 85 is not even overheating, I would call 90 throttling.

 

You are fine up to around 83°

 

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CPU: i7-6700K 4.7GHz GPU: GTX 980 STRIX 1337MHz CPU Cooler: H110i GTX AIO |

 Motherboard: Asus Z170-AR | Case: NZXT H440 White PSU: CS750W |

 PCPartPicker Link: http://au.pcpartpicker.com/p/43BkVn 

 

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Idle at 40c??? I've got the same CPU with a 212 EVO and mine idles at 33c... something's seriously wrong here...

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LAPTOP: Lenovo Legion 5 CPU: AMD Ryzen 7 5800H GPU: RTX 3070 8GB RAM: 16GB 3200MHz (2x8GB DDR4) STORAGE: 4TB Crucial P3 NVMe SSD + 2TB Samsung 970 evo plus NVMe SSD DISPLAY: 1080p 165hz IPS OS: Windows 11 Pro x64

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1 minute ago, Kirky2k15 said:

Idle at 40c??? I've got the same CPU with a 212 EVO and mine idles at 33c... something's seriously wrong here...

I idle at 35° with a bloody AIO liquid cooler. I hate my computer, I don't understand why it is so damn hot on idle.

 

Spoiler

CPU: i7-6700K 4.7GHz GPU: GTX 980 STRIX 1337MHz CPU Cooler: H110i GTX AIO |

 Motherboard: Asus Z170-AR | Case: NZXT H440 White PSU: CS750W |

 PCPartPicker Link: http://au.pcpartpicker.com/p/43BkVn 

 

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23 minutes ago, Kirky2k15 said:

Idle at 40c??? I've got the same CPU with a 212 EVO and mine idles at 33c... something's seriously wrong here...

yeah same, i've got a 4.2 Ghz overclock and no extra voltage on a 212 EVO, and i have 30-35c idle and 60-65c load

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1 minute ago, mikat said:

yeah same, i've got a 4.2 Ghz overclock and no extra voltage on a 212 EVO, and i have 30-35c idle and 60-65c load

Mine's OC'd to 4.4 xD

DISPLAYS: LG 27UL500 IPS 4k60hz + HDR and LG 27GL650F IPS 1080p 144hz + HDR

 

LAPTOP: Lenovo Legion 5 CPU: AMD Ryzen 7 5800H GPU: RTX 3070 8GB RAM: 16GB 3200MHz (2x8GB DDR4) STORAGE: 4TB Crucial P3 NVMe SSD + 2TB Samsung 970 evo plus NVMe SSD DISPLAY: 1080p 165hz IPS OS: Windows 11 Pro x64

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Just now, mikat said:

without extra voltage?

Meh I just let MSI command center auto OC my system a bit like Asus 5 way thing...

 

I know I can get more out of it but I can't be bothered to put the effort in to find the limits of my cpu... I'm more than happy with it

DISPLAYS: LG 27UL500 IPS 4k60hz + HDR and LG 27GL650F IPS 1080p 144hz + HDR

 

LAPTOP: Lenovo Legion 5 CPU: AMD Ryzen 7 5800H GPU: RTX 3070 8GB RAM: 16GB 3200MHz (2x8GB DDR4) STORAGE: 4TB Crucial P3 NVMe SSD + 2TB Samsung 970 evo plus NVMe SSD DISPLAY: 1080p 165hz IPS OS: Windows 11 Pro x64

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2 minutes ago, Kirky2k15 said:

Meh I just let MSI command center auto OC my system a bit like Asus 5 way thing...

 

I know I can get more out of it but I can't be bothered to put the effort in to find the limits of my cpu... I'm more than happy with it

i turned msi oc genie on once

the amount of voltage it puts through your cpu is crazy.....

(check your voltages on your cpu, you can get away with way lower voltages probably)

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7 hours ago, Marcus Torre DeProspero said:

Also 69c is nothing you cpu can take 90c until throttling 

The problem is, it can keep it at 72C if I have all of the fans turned to max and the to panel off of my case, without that, my CPU gets up to the 80's.

 

7 hours ago, Marcus Torre DeProspero said:

First thing's first chech the heatsink if it is on tight enough next let the thermal compound cure for at least one to two days

I've taken off and put the cooler back on at least 3 times, and I've had a different cooler on it with the same problem.

 

6 hours ago, JkB_SlH said:

What does the CPU clocked at ?

72C is good, mine reaching 85C with a good fan cooler @ 4.4Ghz / 4 cores load

Mines clocked at 4GHz and its under volted, with the fans running at 100%, only then can I keep it to 72C.

 

6 hours ago, r1Ns3 said:

How is 69° overheating.... 85 is not even overheating, I would call 90 throttling.

 

You are fine up to around 83°

Did you even read my post? I never said it heated to only 69C. Also, with the cooler and fans set to "performance" in the corsair link software, and my case fully assembled, I've seen it hit 94C, and it throttles to 3GHz.

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http://www.guru3d.com/articles-pages/corsair-h100i-gtx-review,10.html

 

@ 4Ghz under volted it does sound not normal

 

You said that with H100i you got about 10C lower and once you got this H100i GTX it got worse, right ?

 

By that, and adding the fact of getting new CPU,  I really do suspect that your new H100i GTX is the culprit here

CPU: i7-4790k || Mobo: MSI Gaming 5 Z97|| Ram: GSkill Ripjaws X 16GB (2x8GB) || GPU: Sapphire Tri-X r9 390x || Case: CoolerMaster cm storm scout 2 || Storage: samsung evo 850 500GB , WD Black 3TB , WD Green 2TB , WD 1TB external (backups/Media) , Seagate 1TB external (Backups) || PSU: Seasonic X-Series 750W 80+ GOLD || Displays: Samsung C24FG70 , Dell U2414H || Keyboard: Logitech G810 || Mouse: Logitech G502 proteus spectrum || Headset: Logitech G633

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