AMD 8350 high temps

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sweenusmeenus

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Aug 12, 2017
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So recently I bought an AMD 8350 with Wraith Cooler (Pretty outdated, I know) as an upgrade from an AMD 6300. Before using the 8350 with the Wraith Cooler, I figured I would continue to use a Hyper 212 EVO as my CPU cooler, as I had heard that its better then the Wraith. HWMonitor read that my idle temps were consistently around 30 degrees Celsius and AMD OverDrive read that my idle thermal margin was around 45 degrees Celsius. While doing a stability test via AMD OverDrive however, my thermal margin dropped to around 10 degrees Celsius and idle temps to around 60-65. I got similar if not worse results with the Wraith Cooler. Can someone help me with this? Keep in mind that this is coming from an amateur, so sorry if the solution to this is pretty obvious.
 
Solution
photonboy


First of all, stability tests like Prime95 can run a CPU way hotter than normal usage or even something like Handbrake at near 100% usage.

All electronic chips have an optimal temperature over which they are more prone to fail, however unless it is far over it is likely you have many YEARS out of the CPU unless it fails for other reasons.

Some people push that CPU a lot hotter and higher voltage than you appear to be doing for several years.

Please do not...
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I don't understand your post very well.

The EVO is slightly better then the Wraith as expected?

"idle temps to around 60-65"?? HUH?

The EVO is fine for default, but probably not any overclocking on the FX-8350. (you also need a good motherboard for OC).

I'm suspecting your LOAD temperatures are in the 60's degC range and if your games etc are fine, and the CPU isn't overheating it's okay.

So again, not quite sure what the PROBLEM is if any but please be clear.
 
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yes I used new thermal paste

my default cpu voltage is showing around 0.980

I dont know what you mean by case temperature. HWMonitor doesnt display case temps as far as Im aware. What program would?
 
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Whats concerning me is my thermal margin readings while doing a stability test, which it read as 10 degrees C
 
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So I just did a full stability test and the lowest any of my cores thermal margin went was 1.7 degrees C. I get the feeling that this is pretty bad, but what do you think?
 
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First of all, stability tests like Prime95 can run a CPU way hotter than normal usage or even something like Handbrake at near 100% usage.

All electronic chips have an optimal temperature over which they are more prone to fail, however unless it is far over it is likely you have many YEARS out of the CPU unless it fails for other reasons.

Some people push that CPU a lot hotter and higher voltage than you appear to be doing for several years.

Please do not use terms like thermal margin or similar. It is best to use actual temperatures and state the program. (Because what does 45degC thermal margin in idle even mean.. again idle temps at 60-65degC seems unlikely so..)

HWMonitor from CPUID is a good choice. Glad you use it but again just use the actual temp.

Look at the CORE temperature (probably four sensors from CORE0 to CORE7) and use any program like Handbrake but not Prime95 or other unrealistic real-world usage and make sure the CPU runs over 90% for at least 10 minutes.

If the temperature stabilizes below 70degC you should be fine.

I think AMD recommends about 61degC for that CPU but it is really, really HARD to find good information on this aside from ANECDOTAL evidence from people who have their systems as I have said stressed a lot HARDER than yours is.

(Voltage probably matters more than TEMPERATURE too and stressing to 4.8GHz or so has been done several times. A SMALL voltage increase can make a BIG difference in the life of the CPU.

SUMMARY:
I would not stress too hard about the situation. Based on the information you have provided I see little evidence to be concerned about the CPU dying due to running too hot.
 
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Solution
In HW Monitor you can simply use the MAX value for the CPU cores. Make sure to reset it between tests.

But just start up your PC then this program, then think of a REAL PROGRAM you use that would push the CPU hottest. Again, I like HANDBRAKE which can use all eight threads close to 100% at times.

Convert a short video with any settings as long as the CPU hits near 100% in Task Manager (may not until the 2nd pass) for at least ten minutes. You can stop it if you accomplish that or just leave it and come back.

Then just look at the highest MAX value.

(I also do not know where the CPU thermal throttles, but if you leave Task Manager-Performance- CPU open just monitor the CPU frequency. Your max frequency under heavy load is apparently 4GHz stock so unless it is dropping a lot below that there is even less reason to be concerned)
 
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Please do not use terms like thermal margin or similar. It is best to use actual temperatures and state the program. (Because what does 45degC thermal margin in idle even mean.. again idle temps at 60-65degC seems unlikely so..)

actually "thermal margin" is the only way to know what your internal die temp other wise you are relying on a sensor under the cpu and not the cpu die temps.

"thermal margin" is the temp you are away from the throttling of the amd fx cpu. It will throttle at 0c so basically 0c and negative numbers is overheating.

so when it says you have a thermal margin of 40-65c it is saying your cpu is cold and has lots of temp range left before its limits.

http://www.tomshardware.com/faq/id-2122665/understanding-temperature-amd-cpus-apus.html


also to the OP 1.7C is really close to the throttle point and is not really the best. ideally under max load you would still like to be 10c or higher thermal margin. but remember you are still below where amd decided the cpu should start throttling and still not close to the thermal shutdown which happens at a higher temp if throttling can not bring the cpu temp back down.
 
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"thermal margins" can be acceptable, but my point was the post was quite confusing and frankly I don't think I've seen that term used despite many conversations on this matter.

Besides, the throttle temperature may be well over what is acceptable to run at so we should talk about the ACTUAL temperature of the CPU so we know if it's overheating or not

For example, Intel recommends about 75degC at most for "optimal" life of the CPU though you can go hotter but statistically it's going to decrease the life of the CPU then at roughly 100degC (depending on exact CPU) it will trigger a diode if the CPU hasn't been forced to throttle before that to protect things.

So maybe in that case "thermal margin" is 25degC or so but that's hardly useful information on its own. Is that great? Can we drop to 10degC margin and be fine? NO.

I wish AMD was more clear but the optimal, maximum, recommended temp for the FX-8350 appears to be low 60degC range.

*So frankly, I would again do something like THIS:
1) run CPUID's HWMonitor, and Task Manager
2) start HANDBRAKE or other real-world, worst-case CPU stress (not Prime95) and run at near 100% for ten minutes or more (to get to thermal equilibrium due to case heat buildup)

3) observe the max CORE CPU temperature
4) observe the CPU frequency to see if it's throttling

If the CPU isn't throttling below (near 4GHz?) and temps are in the 60's degC range then I wouldn't worry too much about it. At the end of the day that should be a reliable situation that isn't throttling your performance due to overheating.

I'll just leave it there.
 
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