Sager NP8157 w/ i7-7700HQ and GTX 1070 GPU with possible heat issues

That's the worst paste ever

 

which one? the grizzly or gelid?

 

phoenix which paste would you recommend?

 

Grizzly sucks

 

IC Diamond using the X cross method

 

@Matthew Gary - Gelid is great, comparable to IC Diamond insofar as thermal conductivity goes. Some of it comes down to preference.

 

I heard that IC Diamond is hard to apply. Is this true ? Personally I don't have experience with any of these pastes. The last time I used a paste was Arctic Silver.

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Negative

 

It's thick, thicker than AS. The viscosity sometimes makes it a bit difficult to pump out of the syringe, but not very. It's thickness makes it more forgiving when you make a mistake on the application; you can shift the compound around a bit without getting it all over the place.

 

Wow, thanks for that short and simple explanation ! So in principle, it sounds like the opposite i.e. it's easier to apply if one is careful while squeezing it out of the tube.

 

I don't think you'll have much trouble with it. It's a great compound, really.

 

Just be gentle when removing it as it can leave cosmetic scratches on the die when being removed.

 

As well put the syringe in a plastic bag and put it in a cup of hot water before you use it. The thicker types thermal paste will be softer to put on if you do this step.

 

Exactly!! Was just waiting for someone to say this! I just put the syringe in a mug of lukewarm water and it helps a lot!!!

 

It should apply ok and spread from the heatsink at room temperature too unless it's really cold where you are

You don't want it to spread too much before putting the heatsink down.

 

You don't need to spread it Let the heatsink do the job. For most people the best way.

 

Ok So I have decided that I want to tackle repasting the cpu. I have never done this on a laptop before. Does anyone have a visual guide per se that has a similar setup as the NP8157/p650HS-G that they could share? Thanks in advance! Oh and phoenix, your still the man!!!!

 

Use the Cross method as shown in the video below at 2:15 secs:



For the teardown, here is Mr. Fox's video teardown of the P870DM, the CPU part should be the same, remove the screws in the numbered order 1,2,3,4 then same goes when putting them back

do not overtighten them, the spring on them will do the job to place the heatsink firmly in place

 

Thanks again Phoenix!!!!

 

Well I'm back with a follow up on the re-pasting and some results of that. I am glad to say that it was worth cracking open the case and re-pasting the CPU and GPU. The heat issues are all but gone now. With, very much appreciated help from Phoenix, we undervolted and set up some profiles with Throttlestop which has helped tame temps. But re-pasting dropped the temps by almost 20C, unbelievably. Before when I ran just about any stress test the CPU temps would get up into the high 80's. Now that I re-pasted with Thermal Grizzly I hardly see anything above 70C. So my advice for anyone that has a NP8157/P650HS-G with standard paste and having any type of heat issues to re-paste with either Thermal Grizzly, IC Diamond or Gelid. It will make a difference. Also, be careful with those little screws, especially the CPU ones. They will strip very easily. Which reminds me to ask, Meaker is there anyway I can get a set of 4 CPU retention screws please?

 

Hey, how much undervolt u did ?? And using xtu will be the same as the other program ?

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On Throttlestop I have a -140.6mV. I'm not sure if it would be the same for XTU. I'm still new to all this myself. I did just have a game session of BOIII and the max temp hit 80C but didn't stay there. Mainly stayed in the mid to high 70's. Which is far better than I was getting before.

 

Those temps were with the fan on automatic because I forget to turn them full blast before playing. The temps dropped a few degrees when turned on full blast but still remained in the mid to upper 70's. Overall I am pleased I took the time to re-paste. Well worth it.

 

Hey, im having trouble to install from 0 the nvidia graphics, i install hd grafics in mshybrid but also i cant install nvidia.
I downloaded 378.66 and it says that nvidia is not compatible

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Make sure you switch to discrete mode before trying to install the nvidia drivers


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Mad it work, havo to re paste and play with xtu. I know is a lot to ask bu can u send me a pic of your config in xtu or throttlestop ?? I want to use it to guide me

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Cache offset undervolt
http://i.imgur.com/I0TIauF.jpg


CPU undervolt
http://i.imgur.com/ablLAvs.jpg

Now remember every system is unique and settings will vary. I suggest starting of small and working your way up, testing as you go.

 

Hello,

I have the same notebook as OP and have been experiencing the same problem with respect to temperatures. So after going through a bunch of forums I undervolted my CPU. I'm posting my experience and would really appreciate your help in validating the process and the results.

Process,
I'm running the notebook in 'Performance' mode, with a default Core Voltage of 1.100 V
I added a Core Voltage Offset of -0.100 V using the Intel XTU (9% less)
I ran the XTU stress test for 10 minutes, and passed.
I ran the test 3 times with 10 minute intervals in between tests to check for steady state.
I monitored the temperatures and voltages using HWinfo and Intel XTU.
Update:
(1) Just passed another 1 hour XTU stress test, so far so good.
(2) I started Civilization 6 (1080p, High), the CPU utilization jumped to ~75%,
and the temperatures increased to ~85 C, throughout the 2 hours that I played.

Results,
The CPU VID lowered from averaging 1.10 V to averaging 1.03 V (6% less)
The Idle Temperatures improved from 45C - 50C to 42C - 47C (6% less)
The CPU stopped experiencing thermal throttling.
>The Civilization 6 temperatures improved from 87C - 97C to 81C - 90C at ~75% Utilization (7% less)
>The XTU stress test temperatures were in the range of 53C - 68C at 100% Utilization (!!)

That being said, during heavy loads,
The Max Core Frequency decreased from 3.60 Ghz - 3.70 Ghz (idle) up to a constant 3.38 Ghz (stress) (7% less)
The Max Cache Frequency decreased from 3.29 Ghz - 3.49 Ghz (idle) up to a constant 3.09 Ghz (stress) (9% less)
I did not check the Core Frequency prior to undervolting, so I'm not sure if the drop was caused by it or something else.

The temperatures are looking slightly better, but can someone please explain the drop in frequencies? - Decrease in the multiplier
Is there more to XTU tuning than simply adding an offset and applying the settings? - Not for undervolting

Update:
(1) The drop in frequencies was clarified by Matthew in the following post - Thank you!
(2) Is anyone else experiencing the CPU overdrive with Civilization 6? - It's an extremely CPU intensive game

Best,

 

Thanks !!!

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Have you re pasted your CPU and GPU? If not that would also help with the temps. I used to get into the 90s initially when I first got the laptop and it was stock without any adjustments. When all four cores are maxed the highest the frequency will go is to 34 so that is why you are seeing the constant 3.38 Ghz. My numbers are the same as yours and I only know the CPU core question because I asked that myself. Hopefully someone with vastly more knowledge will jump in here and answer those questions for you. Hint, Hint.... phoenix or Meaker?


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Hi @Matthew Gary

Thank you for the clarification. I have not repasted my CPU/GPU.

Also, I realized Civilization 6 is an extremely CPU intensive game. It involves heavy number crunching every turn, especially during late game.
But why is there a large temperature difference in XTU stress tests vs Civilization 6 (~38% higher temperatures)?

@Phoenix , @Meaker@Sager Any thoughts?

 

firstly, it would help if you put your system specs in your signature bro so we can know exactly what you have

Secondly, you tagged but I don't know what is your concern? are you having CPU or GPU overheatin?

Thirdly, again,,,,,,,,,specs specs specs......I can't see anything without knowing what you have

 

GPU and CPU heatsinks are linked meaning without GPU load your overall temps will be lower.

 

Hi @Phoenix

Thank you for the prompt reply. As asked, I added my notebook configuration in my signature.

Summary,
The CPU has a default Core Voltage of 1.100 V
I added a Core Voltage Offset of -0.100 V using the Intel XTU (9% less)
(1) The CPU VID lowered from averaging 1.10 V to averaging 1.03 V (6% less)
(2) The Idle Temperatures decreased from 45C - 50C to 42C - 47C (6% less)
(3) The Civilization 6 temperatures decreased from 87C - 97C to 81C - 90C at ~75% Utilization (7% less)
(4) The XTU stress test temperatures were in the range of 53C - 68C at 100% Utilization (!!)

Question,
(1) I'm trying to figure out the large temperature difference in XTU stress tests vs Civilization 6 (~38% higher temperatures)? - The heatsinks of the CPU and GPU are connected
(2) Also, is there any way to further reduce those temperatures? - Repasting
(3) Finally, is there more to XTU tuning than simply adding an offset, applying the settings and testing for stability? - Not for undervolting

Update:
Clarified by Meaker in the above post, and Phoenix in the following post - Thank you!

 

1) remember, the XTU stress test is for CPU only, when you run a game, you get more heat generated from the heat of the GPU as well
2) no, not for lowering temps, if undervolting doesn't get you where you want, I recommend you repaste using IC Diamond with the X Cross Method:

The X Cross method is the best in my experience as once the heatsink is fitted, it provides the maximum coverage with the least air bubbles

 

@Meaker@Sager, @Phoenix

Thank you for the prompt clarifications, I really appreciate it.

 

Not a problem, the CPU heatsink is larger than the old stand alone unit too to make up for the increased load somewhat

 

Wrong bro. If @virtualv haven't done it yet, he can prop up the rear of the laptop a bit for better airflow. Help very well on temp. Bottle caps is probably the easiest to use.

 

oh yes, I forgot that, thanks for the reminder bro

 

Often is the most important or obvious easiest to miss All good

 

Hi @Papusan

Good advice. In fact, that was my go to plan before undervolting.
I propped it's rear edge by about 1.25 inches from the ground using a notepad.
However, for me it did not have a significant impact (<2C).
Seems that my notebook has been bested by the game

 

Still, every degrees down is a blessing And doesn't cost Yooo a cent.
Edit: See also my U3 MOD

 

Oh wow... Your statement is helping with my decision between Alienware or Sager for my next laptop to replace the aging MacBook Pro.

I'm not sure about going to Alienware or Sager, but I'm concern about light bleeding in IPS.

 

Hi,

So I have the same Sager NP8157 for about week now. And check out the temps of GPU/CPU below. Each gameplay lasted about 10 minutes and after the temps seemed to stabilize. The values showed on each screenshot were not the random spikes but rather permanent measurements.

Average Idle temps:
CPU: 42 C
GPU: 45 C

Conditions:
- CPU undervolt -120mV
- IC Diamond thermal paste applied by GenTechPC where I bought it.
- Fn + 1 maximum fan speed
- room temp between: 24-30 degrees C.

Tomb Raider
http://i.imgur.com/mYrX2MJ.png

Shadow of Mordor
http://i.imgur.com/EKnTFQO.png

Mad Max
http://i.imgur.com/3ebJeXH.png

Alien Isolation
http://i.imgur.com/w4G4UMe.png

Guys,
Should I be worried?

thx
borys991

 

The CPU doesn't seem too bad but the GPU looks a high. If I was you I would re paste both and see how that fares.


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Maybe not worried, but the GPU temps are in excess. Your CPU looks good under load.

 

Im getting 80 to 85c on cpu and 77c on gpu with stock TIM. Hey whats the program u use to monitor the fps, temps and load ??

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MSI afterburner can give you a lot of temperature information.

 

ok, thx guys. I will keep monitoring GPU temp. And if things don't get any better, maybe re-paste will be worth a try.

Anyway, I will keep you updated.