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balkyny

macrumors member
Original poster
Jan 25, 2022
41
0
New York
screen-shot-2022-03-12-at-21-27-40-png.1972563


What about CPUA core from PCECI vs CPUB core from PCECI? I just noticed A 60-72. and B 45. It is almost 30 degrees diffenrence. As I was rendering some videos the temperature went ro almost 90. I am concerned.

GPUs does not show its temperature. Is it possible to see its temperature somehow?

Thanks
screen-shot-2022-03-21-at-23-44-33-png.1978307
 

balkyny

macrumors member
Original poster
Jan 25, 2022
41
0
New York
Still do not understand what the problem may be. Perhaps someone can give me a hint towards the problem?
I was rendering a video and CPU A core from PCECI almost reaches a hundred C. I do not understand why it gets so hot. Help!!!

Thanks
 

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h9826790

macrumors P6
Apr 3, 2014
16,656
8,587
Hong Kong
Ignore that.

That's suppose "temperature relative to pressor hot", which means, a count down temperature (zero means no buffer from CPU max temperature).

However, it seems one of the update few years back screwed up the way to interpret this number. Which shows some numbers that very very meaningless to us now (or way to hard to interpret).

For CPU, just check the diode temperature is good enough. Anything below 85C has nothing to worry about.
 

balkyny

macrumors member
Original poster
Jan 25, 2022
41
0
New York
Ignore that.

That's suppose "temperature relative to pressor hot", which means, a count down temperature (zero means no buffer from CPU max temperature).

However, it seems one of the update few years back screwed up the way to interpret this number. Which shows some numbers that very very meaningless to us now (or way to hard to interpret).

For CPU, just check the diode temperature is good enough. Anything below 85C has nothing to worry about.
whew!
Thanks for clarification. I feel better now, yet I opened up the try and changed (just in case) the thermal paste ...

Still, the temp difference between A and B is huge... I checked the fans on the A and B heat sinks... the are clean and no dust deposites...
 

arw

macrumors 65816
Aug 31, 2010
1,238
981
CPU B is the one closer to the front of the Mac. So this one gets all the fresh air while for CPU A, the air is already pre-heated by CPU B, RAM and the northbridge.
But as stated, anything below 85°C is noncritical.
According to your 2nd screenshot, the difference between the diode temperatures is 17,1°C which is totally plausible.
 
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