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17 Posts

08-01-2019

Canada

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Thermal influence on hardware

2021-04-27, 22:40 PM

Hello,

 

I have realized that newest line of gaming legion laptops like 7i, 5 pro and [most likely] so on are reaching high temperatures of 100 degrees on CPU maintaining stable 4ghz for long period of time. I can't really understand why Lenovo has decided to put those beasts into a thin laptops which in the end cannot fully utilize this power because of weak thermal performance. Wouldn't it be better to release a thicker version of those laptops with better thermal performance?

 

As far as I have seen, Lenovo has not decided to release a gaming machine that's thicker than y740 [and other similar products] with better cooling solutions, and honestly after seeing my own y740 and its thermal performance, and the worry about the CPU temps I would rather buy a thicker gaming device than a slick and thin device that I can't fully use. 

 

Now here is my question:

Since we're speaking of gaming machines, we should assume that each gamer would use the device for at least 2 hours up to 8 hours of gaming. In my logic, I think having your CPU run at 100C degrees for 4 hours daily is essentially damaging your device. I would like to get some information from Lenovo and other specialist who can answer the question about the impact of reaching high CPU temperatures over: 

 

  • 2 hours of gaming daily at [100 C degrees for CPU and most likely 80C on GPU] 
  • 4 hours of gaming daily [100 C degrees for CPU and most likely 80C on GPU]
  • 6 hours of gaming daily [100 C degrees for CPU and most likely 80C on GPU]
  • 8 hours of gaming daily [100 C degrees for CPU and most likely 80C on GPU]

I chose 100 C in all the scenarios because most of the reviews are showing that the CPU will run at 99C on performance mode degrees in demanding/newest games.

 

Using my own brain I would say that 6-8 hours of gaming daily at 100C degrees on CPU would damage/brick your device within 2 years.. or maybe I am underestimating the durability of those components and reaching those temperatures aren't that harmful as I think they are?

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4533 Posts

04-23-2019

United States of America

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Re:Thermal influence on hardware

2021-04-28, 14:09 PM

Hello @BartLapi,

 

Welcome to the Community Forums.

 

100 degrees is way too hot for cpu's. While it will still run the components will not last very long if you are running at this temperature.

If you have the same temps I would suggest trying to change the thermal paste on the machine.

You can view the instructions in the hardware maintenance manual page 48: https://download.lenovo.com/consumer/mobiles_pub/legion_y740_series_hmm_201901.pdf


Hope this helps.
Regards,
Jack_Lenovo1



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17 Posts

08-01-2019

Canada

29 Signins

211 Page Views

  • Posts: 17
  • Registered: ‎08-01-2019
  • Location: Canada
  • Views: 211
  • Message 3 of 3

Re:Thermal influence on hardware

2021-05-02, 0:59 AM

In my case, the cpu hits 85-90 celsius during gaming with peaks up to 100. On regular web browsing the cpu stays at around 60-70ish degrees celsius.

It's all on balanced mode because performance mode in y740 and most likely other gaming laptops is a joke.

Do you think repasting would actually help? I feel like.. this laptop was designed to run this hot and nothing will help decrease the temps besides throttlestop by limiting the TPL or setting up a prochot offset. 

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