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Laptop cpu temps to hot? Should I re-paste?


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#1 brianm42

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Posted 18 November 2017 - 11:32 AM

I am wondering if my laptop CPU temps are normal, I recently bought a new laptop and re-pasted the cpu with arctic mx-4. I don't know to much about laptops. Here are the temps from idle and from 6 minutes of playing a game(Path of Exile) at 1080p. Room temp is probably around 15c-20c.

 

Idle:

https://imgur.com/Hop8v4E

 

6 minutes of playing poe:

https://imgur.com/vUwiaNt

 

I don't feel as these these are super high temps but my concern is I feel as I probably applied a little to much thermal paste, and also while I was downloading visual studio the max temps reached 95c but the average stayed around 75c(the room temp was probably around 25c at the time). So my question is should I worry about these temps and the fact that I may have applied to much thermal paste(3-4 small dots instead of 1 dot in the center) or should I re-paste it again with one a small dot in the center.  I just don't like to take apart stuff more than I need to so i'm not sure if its worth re-pasting again.

 

Specs:

Intel® Core™ i7-8550U Processor 1.8GHz
16GB LPDRR3 RAM
512GB SATA M.2 Solid State Drive
Microsoft® Windows 10 Home (64-bit)
2GB NVIDIA® GeForce® MX150 Graphics

Dimensions: 12.8" x 8.9" x 0.6"
Approximate Weight: 2.9lbs

 

I know its a thin laptop but I just feel as the temps may be to hot?

 

Thank you,

Brian



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#2 ranchhand_

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Posted 18 November 2017 - 11:38 AM

 

I recently bought a new laptop and re-pasted the cpu with arctic mx-4.

Couple of questions:

> What is your reason for re-applying thermal grease to a brand new laptop?

> What were the running temps on the unit before re-applying new grease?


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#3 britechguy

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Posted 18 November 2017 - 11:48 AM

I have no idea why one would ever mess with replacing the thermal paste on a brand new machine.  It's just asking for trouble.

 

The above having been said, you don't have any issue, and your own monitoring software is telling you that.  When the "Distance to TjMAX" is above 25° C when the minimum distance between the actual operating temperature and TjMAX has been reached, you are barely more than a bit more than warm.

 

This CPU is designed to function normally up to a temperature of 100° C (see: http://www.cpu-world.com/CPUs/Core_i7/Intel-Core%20i7%20i7-8550U.html or download the spec sheet from Intel).   Your maxed out temperature after a "hard run" hasn't even reached 75° C.  You have nothing to be concerned about.


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#4 brianm42

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Posted 18 November 2017 - 12:05 PM

 

 

I recently bought a new laptop and re-pasted the cpu with arctic mx-4.

Couple of questions:

> What is your reason for re-applying thermal grease to a brand new laptop?

> What were the running temps on the unit before re-applying new grease?

 

 

My reasoning was to lower the temps as they were idling around 55c and reaching a max of 85c when playing a game or downloading/installing software. I also felt like the fan was running a lot during idle.

I feel as applying new paste has helped lower the temps overall but don't really know what temps I should be aiming for while at idle or under load.

 

I'm use to a liquid cooled desktop and have no idea on the temp range for a laptop. Also the max temps did hit 95c once and hit thermal throttling but is was only while downloading visual studio, I think this is the main thing that concerned me.



#5 ranchhand_

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Posted 18 November 2017 - 01:16 PM

 

I'm use to a liquid cooled desktop and have no idea on the temp range for a laptop

 

There is no comparison between the two. Laptops were designed for low-performance and easy portability. Desktops were designed for power and can be configured easily, with components that can be substituted, modified, etc. Along came the inevitable person who wanted a cramped, shrink-wrapped and miniaturized computer to perform like his desktop. No can do. Laps generally run hotter, and when a component fails it is a major project to attempt to replace a component, with maybe the exception of memory or hard drive.

If your computer is running perfectly, the old adage applies: "If it ain't broke don't fix it".


Help Requests: If there is no reply after 3 days I remove the thread from my answer list. For further help PM me.


#6 eliasgusta

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Posted 18 November 2017 - 01:44 PM

your temps are fine. i don't think you applied too much paste

do a cpu stress test and check temps just to be 100% sure



#7 brianm42

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Posted 18 November 2017 - 04:08 PM

 

 

I'm use to a liquid cooled desktop and have no idea on the temp range for a laptop

 

There is no comparison between the two. Laptops were designed for low-performance and easy portability. Desktops were designed for power and can be configured easily, with components that can be substituted, modified, etc. Along came the inevitable person who wanted a cramped, shrink-wrapped and miniaturized computer to perform like his desktop. No can do. Laps generally run hotter, and when a component fails it is a major project to attempt to replace a component, with maybe the exception of memory or hard drive.

If your computer is running perfectly, the old adage applies: "If it ain't broke don't fix it".

 

 

I understand there is no comparison I just wanted to make sure that is wasn't running to hot as I was unsure how hot laptops are suppose to run.

 

your temps are fine. i don't think you applied too much paste

do a cpu stress test and check temps just to be 100% sure

 

Thank you, I ran a stress test. Here are the results for 20 minutes of Prime95 blend.

https://imgur.com/zia3Cx7



#8 eliasgusta

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Posted 18 November 2017 - 04:16 PM

very good. at 100% usage, you are well under TJ max (almost 30 degrees!)

usually anything around 15 degrees under TJ max is considered safe



#9 ranchhand_

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Posted 18 November 2017 - 04:28 PM

Yes, your temps are normal for a lap.


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