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6700k temps problem/question

post #1 of 14
Thread Starter 
Hi there,

I just upgraded to 6700k + ASUS Sabertooth Z170 + NH-D15 and using CLU.

So in terms of overclocking I think I got a relatively good sample and I manage stable:

4.5 - 1.230
4.6 - 1.290
4.7 - 1.310

That's Vcore in BIOS, with LLC it gets somewhat higher under full load. Now, the thing is I think my temps are too high relative to others. I see 63-67 C at 4.5 at 1.230 (1.248 with LLC) and at 4.7 at 1.310 (1.344 LLC) some core exceed 80's consistently. On the other hand I see people at 1.325 staying in the 60's range. I tried re-applying CLU twice and it's not the first time I do it so I'm not putting too little or too much. Last time I also applied a layer on the heatsink as well just to be sure. At idle my temps go down to around 25C pretty much instantly but it looks like under load the cooler is unable to cope. Fans (dual fan config) do crank up to 100%.

Are my temps normal (I know every chip is different, but still)... and if not any tips? Next I think I'd give it a try with Noctua's compound to see if this makes a difference... Thanks.

PS
Considered delidding but 6700k looks so fragile that I'm scared to do it ;-)

PS2
For load testing I'm using Prime95 26.6 (no AVX/AVX2)
Edited by Br3ach - 7/14/16 at 10:41am
post #2 of 14
Currently I'm meeting with the same problem with my 6700k. I wanted to write my own topic with that problem, but saw your here.

I've NZXT Kraken X61 water cooling and at 4,4Ghz and ~1,36 Vcore I'm achieving over 80C... I tried to change my thermal paste (from Kraken stock to MX-2) but the problem remains. You are not alone :/

I tried to update UEFI (few days ago new version appeared for ASUS Z170 PRO GAMING). The only change is that, I can't see Vcore on other voltages on HWMonitor now under MOBO section.

Is this caused by bad, old thermal paste on heatspreader? Should I delid it? I've no idea what's going wrong. Idle temps are fine.



PS. I had similar problem with heatspreader on my GTX 570 years ago. After removing it temps went down from 110->55C during stress. Maybe it's the solution here too.
Edited by Atexor - 7/14/16 at 10:51am
post #3 of 14
Thread Starter 
Quote:
Originally Posted by Atexor View Post

I've NZXT Kraken X61 water cooling and at 4,4Ghz and ~1,36 Vcore I'm achieving over 80C...

That's a lot of voltage for 4.4Ghz... do you need it to be stable?
Quote:
I tried to update UEFI (few days ago new version appeared for ASUS Z170 PRO GAMING). The only change is that, I can't see Vcore on other voltages on HWMonitor now under MOBO section.

Try CPU-Z it reports accurate actual Core Voltage

I'm afraid the only answer is "delid' but let's see what the gurus say ;-)
post #4 of 14
Quote:
Originally Posted by Br3ach View Post

That's a lot of voltage for 4.4Ghz... do you need it to be stable?
Try CPU-Z it reports accurate actual Core Voltage

Yeah, I tried to lower it. Via manual mode, offset mode, adaptive mode (last two with SVID support enabled/disabled),a lso tried with custom levels on LLC - 1,3,5,7... Nothing worked. I've no idea how to decrease it. To be honest, when I set 1.25V my system didn't boot (BSOD during loading).

During benchmarking my Vcore is a bit too high, but still no as high as temps which I'm receiving. People here have 1.4 VCore with lower temps...
Quote:
Originally Posted by Br3ach View Post

Try CPU-Z it reports accurate actual Core Voltage
I'm afraid the only answer is "delid' but let's see what the gurus say ;-)

I've CPU-Z screenshoot smile.gif

I'm waiting too for their help.
post #5 of 14
Quote:
Originally Posted by Br3ach View Post

Hi there,

I just upgraded to 6700k + ASUS Sabertooth Z170 + NH-D15 and using CLU.

So in terms of overclocking I think I got a relatively good sample and I manage stable:

4.5 - 1.230
4.6 - 1.290
4.7 - 1.310

That's Vcore in BIOS, with LLC it gets somewhat higher under full load. Now, the thing is I think my temps are too high relative to others. I see 63-67 C at 4.5 at 1.230 (1.248 with LLC) and at 4.7 at 1.310 (1.344 LLC) some core exceed 80's consistently. On the other hand I see people at 1.325 staying in the 60's range. I tried re-applying CLU twice and it's not the first time I do it so I'm not putting too little or too much. Last time I also applied a layer on the heatsink as well just to be sure. At idle my temps go down to around 25C pretty much instantly but it looks like under load the cooler is unable to cope. Fans (dual fan config) do crank up to 100%.

Are my temps normal (I know every chip is different, but still)... and if not any tips? Next I think I'd give it a try with Noctua's compound to see if this makes a difference... Thanks.

PS
Considered delidding but 6700k looks so fragile that I'm scared to do it ;-)

PS2
For load testing I'm using Prime95 26.6 (no AVX/AVX2)

It sounds like the TIM between the IHS and the chip is not that great. If you really want to get those higher clocks, unfortunately you're probably going to have to delid :/ *carefully* delid I should say biggrin.gif

I remember seeing a Kickstarter or some such for a delidding tool, you could have a look for one of those, here's what The Google showed up: https://www.google.co.uk/search?q=delid+tool&rlz=1C9BKJA_enGB620GB620&oq=delid+tool&aqs=chrome..69i57j0.2135j0j7&hl=en-GB&sourceid=chrome-mobile&ie=UTF-8
Edited by d0mini - 7/14/16 at 11:18am
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My baby
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4790k@5GHz, 1.472v (3GHz uncore) Maximus VII Impact MSI 980 Ti Gaming 6G Corsair Dominator Platinum 16gb 2133 CL9 
Hard DriveHard DriveCoolingCooling
2x 840 EVO 500GB Toshiba XG3 1TB (M.2 NVMe SSD) EK Supremacy Evo & VGA Ek xres 140 pump 
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post #6 of 14
Quote:
Originally Posted by Br3ach View Post

calling_quoute
Quote:
Originally Posted by d0mini View Post

It sounds like the TIM between the IHS and the chip is not that great. If you really want to get those higher clocks, unfortunately you're probably going to have to delid :/ *carefully* delid I should say biggrin.gif

I remember seeing a Kickstarter or some such for a delidding tool, you could have a look for one of those, here's what The Google showed up: https://www.google.co.uk/search?q=delid+tool&rlz=1C9BKJA_enGB620GB620&oq=delid+tool&aqs=chrome..69i57j0.2135j0j7&hl=en-GB&sourceid=chrome-mobile&ie=UTF-8

I heard about that and it looks awesome. Unfortunately I didn't see it avaible in Europe (also costs would kill my budget).

What is interesting I checked few moments ago liquid temps in Kraken program (called CAM) and while processor had 81C, the liquid had...... 32C. According to all indications it seriously looks it's
petrified TIM problem...

The vendor probably doesn't recognize this under warranty, without removing that I'd kill my processor, but after delid I'll loose warranty. What an Intel's piece of...
post #7 of 14
Thread Starter 
OK, after looking for 5 minutes at a razor blade and at my delidded 3770k which I chipped the die of and lost PCI-E Slot 1 I decided to spend some cash and ordered this baby:
https://www.entersetup.com/

Will update re temps.
post #8 of 14
Hey you're not alone. My recently finished 6700k build also run very warm. At 4.8ghz with 1.355v in UEFI (1.36 constant in windows), My cores 1 and 2 will shoot up to 81C after about 30min of aida64 (CPU, FPU, and Cache) stability test. However mine isn't consistently staying there, only for about a second and it will drop back down to 58-63C 95% of the 30min. I'm using a Corsair H100i V2 AIO cooler, reseated with Gelid GC-Extreme thermal paste. The stock thermal paste of the h100i has a max temp of 85C with this voltage.
post #9 of 14
Thread Starter 
My delid tool arrived on Friday, but I didn't have time to delid until today. So.

1. First of all the tool I got me delidded safely in about 10 seconds tops. I'd never go back to a razor - not recommending the tool I got specifically, there are a lot of these out there and they all work by essentially partially rotating the IHS while applying equal pressure. Nothing is 100% safe, but this is as safe as it gets!

2. Adhesive properly cleaned (credit card for CPU, razor/credit card for the IHS), isopropyl alcohol used to clean the die, the IHS and the heatsink. Applied CLU between die and IHS and between IHS and cooler (NH-D15).

3. And results: After testing I got a total average TMax decrease across all cores of a whopping 16C at the same Ghz/voltage!!

Average TMax Before: 75.25 C
Average TMax After: 59.25 C




Note 1: TMax is being calculated by adding all max temps as reported by CoreTemp and dividing by 4.
Note 2: For this test I was using Prime 28.9 with AVX2 for max (unrealistic) load/temps.

My CPU fans don't even ramp up to 100% now. Perhaps I got a a really bad CPU in terms of stock TIM application, but this is such a huge difference that I'm just shocked. So delid away guys, just stay away from the razor and stay safe ;-)

Off to see how far she goes now. Cheers.
post #10 of 14
Well, there you go smile.gif

Have fun benchmarking and seeing how far you can push that thing! Just a warning/suggestion though - CLU hardens over time, it's better than CLP, but it still happens. If you ever want to take off that cooler for use with a different CPU or otherwise, you might want to use a more standard TIM between the cooler and the IHS. I recommend MX-4, because it is very easy to spread right and gives great temperatures. smile.gif

That being said, keep it on for now while you're benching smile.gif You're making me want to delid my 4790k, although I wouldn't see anywhere near the same temperature drop. rolleyes.gif
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My baby
(21 items)
 
   
CPUMotherboardGraphicsRAM
4790k@5GHz, 1.472v (3GHz uncore) Maximus VII Impact MSI 980 Ti Gaming 6G Corsair Dominator Platinum 16gb 2133 CL9 
Hard DriveHard DriveCoolingCooling
2x 840 EVO 500GB Toshiba XG3 1TB (M.2 NVMe SSD) EK Supremacy Evo & VGA Ek xres 140 pump 
CoolingCoolingCoolingOS
4x Gentle Typhoons 1850rpm intake 4x Gentle Typhoons 1450rpm exhaust PE-240, XT45 120, SR-2 360, G2 240 slim rads windows 10 
MonitorKeyboardPowerCase
Acer Predator XB270HU Corsair Strafe RGB EVGA G2 850 PSU Suppressor f51 
MouseMouse PadAudioAudio
Logitech G502 XXL neoprene mousemat goodness Bose companion 20 Sennheiser HD 650 
Audio
GSX 1000 
CPUMotherboardGraphicsRAM
i7-4710MQ W230SS gtx 860m HyperX Impact 16GB 1600MHz CL9 
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840 EVO 500GB windows 8.1 cyborg R.A.T-5 steelseries 
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