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kingkaann
10-25-2015, 04:04 PM
Just out of the box my new G751JY i turn it on and benchmark the cpu right away and it goes from 40 to 96 as soon as i click bench....and starts thermal throttling..how annoying is this..3k laptop..ive had this issue with my other asus laptops too i always thought this was a bad paste..anyone know a fix for this? do they not put a thermal paste at all?

Edweird
10-25-2015, 05:08 PM
I'd have it exchanged in your place. The 48**s do run hot...but that's ridiculous.

warryabel
10-25-2015, 05:34 PM
Just out of the box my new G751JY i turn it on and benchmark the cpu right away and it goes from 40 to 96 as soon as i click bench....and starts thermal throttling..how annoying is this..3k laptop..ive had this issue with my other asus laptops too i always thought this was a bad paste..anyone know a fix for this? do they not put a thermal paste at all?

what is with your last g751 jt?

escha
10-25-2015, 06:13 PM
i got one with i7-4860hq and i saw 96 only once in the summer when there was 30 C in room and only after 30 minutes of gameplay.... normally would top at 92
never saw the temp like that right from the start of a bench and i did stress test it with prime small fft test
looks like there is almost no contact between coldplate and cpu

Boxis
10-25-2015, 07:40 PM
I have G751JY with 4860hq too and it runs similarly hot. Had it repasted as well but temps did not change. Unfortunately it seems that problem is in the CPU, however, if the CPU was made to reach these temps, it probably is not as dangerous to it as to other types of CPUs, no idea.
Anyway CPU is topping at 94-95C during heavy gaming, mostly sitting around 84-90C in heavy demanding games with 99% GPU usage ofc.

kingkaann
10-25-2015, 09:37 PM
I have G751JY with 4860hq too and it runs similarly hot. Had it repasted as well but temps did not change. Unfortunately it seems that problem is in the CPU, however, if the CPU was made to reach these temps, it probably is not as dangerous to it as to other types of CPUs, no idea.
Anyway CPU is topping at 94-95C during heavy gaming, mostly sitting around 84-90C in heavy demanding games with 99% GPU usage ofc.


My friend,

Thank you for your response...I was about to repaste today but I changed my mind on the last minute. My concern is also is that it's thermal throttling and we are not getting the full use of our cpu in games or benchmarks...I tried everything throttlestop and etc. nothing worked.I have a budy with a similar system JY with G-sync his cpu is fine in regular temps. unlike ours.

lmujaj
10-25-2015, 10:00 PM
hmmmm ive g751jy with 4860 , and something must be wrong with my machine ,,, i just stres test my cpu , and highest temp it was 74c

Clintlgm
10-26-2015, 01:17 AM
Since you just got it I would take it back send it back what ever, your notebook is defective.

Boxis
10-26-2015, 07:05 AM
My friend,

Thank you for your response...I was about to repaste today but I changed my mind on the last minute. My concern is also is that it's thermal throttling and we are not getting the full use of our cpu in games or benchmarks...I tried everything throttlestop and etc. nothing worked.I have a budy with a similar system JY with G-sync his cpu is fine in regular temps. unlike ours.
You are welcome.

Is it thermally throttling only in benchmarks or in games as well ? Because all programs have thermal throttling set to 95C, when in reality its 100C, so you should be still able to see max clock at this temp.
Not in benchmarks though, many reviewers pointed this out that even at good temps, these processors cant main their max turbo clock during some specific stress tests(mainly prime95), but, if you are rendering videos or so, then you should see max clock at this temp still.
Please, try monitoring your clocks during your gameplay to see, if they are dropping when your CPU hits these temps.

I am using this laptop heavily for 10months already, with the processor peaking at 95C as I said, and obviously I was worried for a while. I have sent it for repaste, and they said there was no need to repaste, that after doing so, the temps did not change, and after doing their stress test they said the laptop is not overheating even when processor reached these 95-96C during 10hour stress test. They said its fine for this chip and I should not be worried until it hits over 100C often.

But ye, if you want better temps, then try to return it and pick one with 4710/4720 processor.


hmmmm ive g751jy with 4860 , and something must be wrong with my machine ,,, i just stres test my cpu , and highest temp it was 74c
Try Prime95 small ftt + FurMark with some temp recording program for 15mins, and make screenshot after, if you can. If you have such good temps still, then you are one of few with such cool chip.

warryabel
10-26-2015, 07:27 AM
what is with your last g751 jt?
no answer? you fried him?

kingkaann
10-27-2015, 12:01 AM
no answer? you fried him?

no i didnt fry it.. i was updating the bios using winflash and it randomly shut down and my bios got bricked. and thats that.

warryabel
10-27-2015, 06:20 AM
ok i will stay on 207...

lmujaj
10-27-2015, 04:57 PM
sorry i forgot to screen shot , ive saved txt file on HWMonitor.... 59c on GPU , 99% stres, and cpu 83 was the max ...
room temp was 18c

Boxis
10-28-2015, 07:12 AM
No idea how is possible to get only 59C on GPU during furmark. It is really hard to believe without screenshot. (Furmark+Prime95 together is the test you should be doing to check how hot your system can be).

ciccio80
10-28-2015, 10:17 AM
Just out of the box my new G751JY i turn it on and benchmark the cpu right away and it goes from 40 to 96 as soon as i click bench....and starts thermal throttling..how annoying is this..3k laptop..ive had this issue with my other asus laptops too i always thought this was a bad paste..anyone know a fix for this? do they not put a thermal paste at all?

Well it is common knowledge that syntetic benchmarks are not really the "real picture" in terms of CPU/GPU usage.
Many modders even directly dissuade people from doing syntethic benchmarks with software (like Prime95 for CPU, and Furmark forGPU), since they can burn your processors or reduce its lifespan overall in time.

The best way to test system temperatures is to use a "real world" test like a game that has both high CPU and GPU requirements (for example, recently I am testing the pre-alpha of Star Citizen :) ).
If temperatures remain good and there is no trotteling, then you have nothing to be afraid of.
Othervise, send your laptop to RMA since it should keep temperatures down easily with the cooling system the g751 has.

P.S. if CPU is the main problem, use Intel Extreme Tuning Utility to reduce Core Voltage Offset and Cache Voltage Offset in order to achive less heat generated without loosing CPU power (my CPU runs great at -60mV, never had a problem, and temperatures are 5-8C lower, newer exeding 80-85C! :)

GPU 980m on the other side, is really cool, I never exeded 68C even with a little overwolting (1.087) and 1300mHz. Really a great graphic card overall, with plenty of room for OC.

ciccio80
10-28-2015, 10:26 AM
sorry i forgot to screen shot , ive saved txt file on HWMonitor.... 59c on GPU , 99% stres, and cpu 83 was the max ...
room temp was 18c

Well that probably explains the relatively "low" temperatures. You need to stress it to 100%, so the GPU goes into "boost mode" and produces more heat. Then you will have the real picture. Still, I don't belive you will be going too much over 65C, the GPU is great overall :)

lmujaj
10-28-2015, 06:00 PM
53320

Edweird
10-28-2015, 09:53 PM
I get the same results as Imujaj, FurMark just doesn't heat the 980m up that much.
It really depends on the load, I guess.

I'm playing SOMA right now and the load hits 90% but temps don't go over 65...yet on Star Citizen, regularly go to at least 95% and that makes it hit 70. Then I play Witcher 3 and pray that it doesn't hit 88...

escha
10-29-2015, 11:05 AM
here is Prime95 small FFT test run with furmark:
http://zapodaj.net/aa9fe049e15c9.jpg.html

when i run furmark alone i get 72-74 deg C on GPU

Boxis
10-29-2015, 11:43 AM
Furmark does stress the GPU but you need to use default settings (1280x720/AA off) to get max fps (more fps=more heat). Imujaj got 18fps with his settings and escha 96fps, so I guess this makes the difference.

Anyway, seems you guys won the 4860hq chip lottery, because your temps are really good, unfortunately I wasn't so lucky. Like I can't get under 90C during these stress tests, always hovering at 90-95C after few mins.

Gonna actually try NBFC again, because didn't try it after repasting, and maybe it will make some difference, since I see Imujaj is using it as well.

@Edweird Are you hitting 88C on GPU or CPU during Witcher 3 ?

Edit. - Anyway these tests just confirm what I stated at the start to the OP. These processors can't handle the max utilization during these stress tests and throttle themselves down even when their temperature is fine.

Edweird
10-29-2015, 11:56 AM
Both CPU and GPU can hit 85+ when playing Witcher 3, which is why I don't much enjoy playing it and I have a 4710, too. I never saw a point in the 4850+ CPUs on this laptop.

Kind of disappointing that the smaller CPU fan and weird pipe array make an otherwise excellent cooling system mediocre at times.