CPU temp jumps

Legend

Legend

Legend

Soldato
Joined
31 Dec 2006
Posts
7,224
Is this normal? I've checked in Core Temp and Hardware Monitor and it's doing the same thing. Just at idle it will be 16-19 degrees, then suddenly jump to 36-40, then back down again, and keeps doing it on all the cores randomly, but they never do it unison, it's just one or two at a time, very erratic. The min/max for all cores are within 2 degrees of each other, but I don't recall seeing this before.

It's a 6700K (not OC'd yet) with EK Supremacy block and TG Kryonaut.

:confused:
 
Last edited:
Legend said:
Is this normal? I've checked in Core Temp and Hardware Monitor and it's doing the same thing. Just at idle it will be 16-19 degrees, then suddenly jump to 36-40, then back down again, and keeps doing it on all the cores randomly, but they never do it unison, it's just one or two at a time, very erratic. The min/max for all cores are within 2 degrees of each other, but I don't recall seeing this before.

It's a 6700K (not OC'd yet) with EK Supremacy block and TG Kryonaut.

:confused:
Click to expand...

It is normal, when the CPU has some kind of load the temps will bounce around. When i am gaming my 6700k will bounce around on all cores between 49c/60c/50c etc
 
Yes but there is no load... literally doing nothing on a fresh boot in to Windows, even when I shut down all non-essential background processes.

I'm wondering if the block just needs to be tightened?
 
I had the same concern when i first got the 6700K. This is normal. I think i read that, as the die is so small on these things they heat up very quick and cool equally as quick. Looks like spikes on the graph.
 
OK, well I've been reading online this is hardly uncommon, so it doesn't seem I have a need for worry. Max temps certainly aren't bad at all, and all cores are even in that respect.
 
Legend said:
OK, well I've been reading online this is hardly uncommon, so it doesn't seem I have a need for worry. Max temps certainly aren't bad at all, and all cores are even in that respect.
Click to expand...

As long as your load temps are fine which seems they are i would say you are fine.
 
Same with mine mate, posted it up a fair while ago but in the end my only means of making it less spikey was by delid. It still spikes a little though I think it's just the nature of the chip design and it's reasonable for any block or spreader not to deal with the immediate heat created by the voltage.

Not sure what causes it to spring in to action but a number of the idle processes could be to blame - Razer Synapse had some bugs with older versions of the software.
 
Probably down to Speedstep. When its idle it reduces the multiplier and voltage to save power. When it sees any load (Windows 10 has loads of stuff going on in the background) it steps to the set speed with minimal load for a period until its done what its doing. Loads up CPUz and you will see that the temps will correlate to the speedstep.
 
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