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3700x + stock cooler temp range all over the place

Scope

Scope

Scope

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1 Dec 2002
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Swindon
I've just installed a Ryzen 3700x and stock cooler (with their pre-applied paste) and my temps are all over the place..

Idle it is ranging between 33c and 62c. If I stress test it it will shoot up to 70c within a couple of seconds, then steadily rise to 90+ (at which point I stop the test out of fear of overheating.. :)

At idle the cores normally sits around 0.98v with the odd core going up to 1.49 for a second, then back down..

How come the temperature range is so big? In my mind having it at 50c idle sounds a bit high, no?
 
The ryzen cpu do bounce about a bit and temps go up and down ive got a 3700x like you and changed cooler to a bequiet dark rock 4 non pro that was a lot better than stock cooler now im useing a 360 aio due to looks but kept the dark rock as back up really good cooler would have thought the stock cooler what come with cpu would have cooled it a bit better than that as it is the same cooler for the 3900x
So somthing doesnt seem right there you sure its the proper stock cooler and not the 3600 cooler also have you checked its fitted properly i cant remember what temps i was getting with my stock cooler fitted idle temp is about right for stock cooler if i remember right its more the load temps 90 plus
 
@alex h : yes correct stock cooler.. I have ordered some thermal paste to try first, if not I might have to buy another cooler - otherwise I would just constantly worry about the temp of the cpu whilst doing the more CUP heavy things. :-D
 
I can recommend the dark rock 4 mate was silent aswell only reason i went aio was more space to get at things in pc lol i like to fiddle :eek:
 
So it turns out comparing the idle temp is absolutely pointless unless you look at the "processor power management" settings on your machine..

Mine was set to "Ryzen balanced", which defaults to a minimum CPU power of 99%.. Others might theirs set to "Balanced" which has the CPU set to 5%.. (thus dynamically dropping the speed when idle, boosting when required)

Dropping my minimum to 5% allowed me to obtain an idle temp of <40c.. It obviously doesn't change the fact that at 100% (full load) my temps are approaching what I am comfortable with (90+)..

Again, lowering the max CPU to 99% drops the "full load" temp to 80c - but again, the CPU will then run at a maximum of 3.5ghz, which slightly defeats the object of having a CPU that will boost up to 4.X Ghz. :)

For completeness, with Max set to 99% the voltage doesn't go above 1v, where as for 100% it goes up to just shy of 1.5v.. (hence the spike in temperature).

Setting it to min 99/max 100 sees the cores getting anywhere between 1v and 1.5v, hence my big idle temperature range (40-60c)

In terms of Cinebench score 99% vs 100% is 10787 vs 12020.

Im getting some thermal pasta over the weekend so will apply it to see if it improves things.
 
That doesnt sound right, maybe reseat the cooler, reset the bios to default, make sure everything in the bios is set to auto,update chipset drivers,
 
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