ASUS G750JX CPU Temperatures

[ultimazlitezjc]

i sent the laptop on the service center and let them check my overheating problem, they told me that they encountered 0 problems on stability. what they checked was not the temperature but rather stability, and got pissed and went home.

i think overheating is more prone on our country because of the ambient temperature, so here is my problem now, i don't know if someone is experiencing this too, my temperature range changes.. as you can see on the pictures below


as you can see my normal CPU temperature range is 0-97C


here is the stress test from the 0-97C, only core 3 throttles due to too much heat (think its OK because of our temperature now at the country) it doesn't let my CPU exceed 97C


now in this picture my temperature range lowers to 0-85C which is i do not know if its normal, it changes


and the stress test from this range is that it prevents also the CPU to reach the 85C mark.


i don't why it is changing, i am seeking advice/opinion or fix if this is really a problem

[ultimazlitezjc]

and the results on this difference on temperature range is so much big

on the 1st screenshot
on stress test it will take me up to 97C for the CPU to throttle (usually core 2 and 3)

on the 2nd screenshot it
on stress test it will only take me up to 85C for the CPU to throttle

note:
this is not a 1 time scenario
it comes from a different time after rebooting my laptop it changes randomly

[hmscott]

ultimazlitezjc wrote:
and the results on this difference on temperature range is so much big

on the 1st screenshot
on stress test it will take me up to 97C for the CPU to throttle (usually core 2 and 3)

on the 2nd screenshot it
on stress test it will only take me up to 85C for the CPU to throttle

note:
this is not a 1 time scenario
it comes from a different time after rebooting my laptop it changes randomly

Either the cooling system is failing randomly, causing the heat to not get exhausted, or something else is adding heat load to the laptop during the stress run - it may start after the stress run starts, so your system may look idle - and end before the stress run stops.

Is the fan stopping during the stress run? Or does it run at a high rate constantly all the way through the test, and somewhat past the end as it cools off the CPU?

The cooling system is a closed system, the only inputs are the heat from the CPU, the internal Disk and the rest of the laptop components in the path of the inake air, and the intake air temperature.

So unless the cooling fan is not running the same, the CPU load is increased putting more heat into the system to exhaust, the ambient temperature goes up hugely - or drops hugely, or the position of the laptop changes and in the hot run the heat from the exhaust is coming back into the intakes - reflecting off the back/sides of a wall.

There is a reason why the average / high temp during a run of the same stress test is higher sometimes than others, you need to figure out what is different 🙂

Are you watching the top CPU using processes during the runs? You need to actually see what is going on, not just guess. Keep the task manager running, in the Details tab, with the list sorted by CPU usage - and scroll to the top to see the top CPU usage processes.

[ultimazlitezjc]

at idle my core temperature was 47C at my room (not airconditioned)

temperature kicks in when the processor utilization goes up

[ultimazlitezjc]

hmmmm... let put it this way no load...

try to look again on my 1st post which consisted of 4 screenshots

as you can see on screenshot 1 and 3, i hovered the mouse on the CPU Temperature Core temperature...

as you can see also on both screenshots i just started XTU at that time, no stress test or anything...

and now i was pointing out that on screenshot 1 and 3 that there was a difference on the temperature ranges, which i find weird because i think that every CPU has a set of Temperature range that is registered on the PC

[ultimazlitezjc]

after the temperautre rise, the fan kicks in with a high speed, and after the stress test it gradually slows down as the temperature decreases, on

my stress test i had close all applications on the background, only XTU running

i also got the active cooling policy on the power plan

[hmscott]

ultimazlitezjc wrote:
after the temperautre rise, the fan kicks in with a high speed, and after the stress test it gradually slows down as the temperature decreases, on

my stress test i had close all applications on the background, only XTU running

i also got the active cooling policy on the power plan

Which Power Plan?

[ultimazlitezjc]

modified powerplan - balanced

[hmscott]

ultimazlitezjc wrote:
modified powerplan - balanced

Cool. A little trick/tip, you can disable CPU Turbo mode, cooling things down even further, by setting the Max CPU % to 99% or less 🙂

Even though the min speed of the Haswell CPU is about 700mhz, I set the Min CPU % to 0%.

[ultimazlitezjc]

hmscott wrote:
Cool. A little trick/tip, you can disable CPU Turbo mode, cooling things down even further, but setting the Max CPU % to 99% or less 🙂

Even though the min speed of the Haswell CPU is about 700mhz, I set the Min CPU % to 0%.

thanks for this tip, i really dont think theres so much difference between 2.4Ghz and 3.2Ghz on daily usage/common gaming, i rather stick to this, cpu stress test only goes up to 72C even at my room;)

[hmscott]

ultimazlitezjc wrote:
thanks for this tip, i really dont think theres so much difference between 2.4Ghz and 3.2Ghz on daily usage/common gaming, i rather stick to this, cpu stress test only goes up to 72C even at my room;)

Cool 🙂

It is a nice trick to enable when you are in a very hot environment, to keep things cool - especially for other laptops. Asus does a good enough job 99% (no pun intended) of the time, but even with the awesome Asus cooling there is a place for knowing how to reduce the load on the cooling system.

The other trick to use isn't supported by Asus G750 BIOS, to disable Hyperthreadng, it would be nice if Asus brought more of the great ROG desktop BIOS options to the Laptop BIOS.

You really don't need to worry about running too hot, you could run just fine at 100% CPU, including XTU max multi 36x,35x,34x,34x + 36x cache, and you won't have a problem. If the ambient temperature goes high, and the CPU starts heading too close to 100c, it will Thermal Throttle on it's own.

But, if it makes you feel better to keep the CPU stress low throughout it's life by running at reduced performance, then go for it 🙂