AMD FX-8320 heat problem

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789oGaming

789oGaming

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Oct 29, 2014
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I am a bit confused what CPU temperature I should be monitoring. My CPU is AMD FX-8320 with 4, 000 Mhz overclock ( it is stable) and motherboard is Asus M5A97 EVO R2.0. I just installed Cooler Master Hyper 212 EVO which lowered overall temperature when running base clock 3500 MHz.

When I run Prime 95 small FFTs for like 15 mins motherboard CPU temperature sensors displays temperature being around 62-66 Celsius while CPU's own temperature sensor ( CPU package) displays only around 48-52 celsius. I am still within safe temperature, right?

Should I trust CPU's own sensor? After playing various games on ultra settings for couple of hours temperatures never rises above 54 Celsius (motherboard sensor) or above 48 Celsius (CPU sensor).

So is it safe to rise CPU's clock to around 4100-4200 MHz because of heat or should I lower it a bit.
Which one is the temperature is should be looking at?

.
knI0Ugq0j

sorry my english
 
Solution
06yfz450ridr
the cpu temp is core temp and package is just package those temps are fine. 70c on the package and 65c core under full load is the max but you really can go higher.

what thermal compound are your using?

can you adjust the fan speed and see if it helps? maybe add a second fan two it with higher flow?

these chips run pretty hot but as long as you arent running full load all of the time you could bump it to 4.4 but i wouldnt go any higher than that.

you have cool and quiet off as well correct?

adding a fan on the vrm heatsink and a fan on the back of the board blowing on the package will help lower both temps a little bit
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06yfz450ridr

06yfz450ridr

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Nov 28, 2012
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the cpu temp is core temp and package is just package those temps are fine. 70c on the package and 65c core under full load is the max but you really can go higher.

what thermal compound are your using?

can you adjust the fan speed and see if it helps? maybe add a second fan two it with higher flow?

these chips run pretty hot but as long as you arent running full load all of the time you could bump it to 4.4 but i wouldnt go any higher than that.

you have cool and quiet off as well correct?

adding a fan on the vrm heatsink and a fan on the back of the board blowing on the package will help lower both temps a little bit
 
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Solution
789oGaming

789oGaming

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Oct 29, 2014
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Actually i might have cool and quiet enabled. So I should disable that? Not sure if fan speed can be adjusted, I guess it can be but didn't find where to do that.

I'm using Cooler Master High Performance Thermal compound ( not the one which came with the CPU cooler). I just re-installed the cooler and added a new thermal paste (before I had thermal paste which came with cooler) but it decreased the temperature only by 2 celsius.
 
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fkabs

fkabs

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Jan 7, 2014
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well, unfortunately that's not fully true

hwmonitor displays 2 temps for this cpu:
the "CPU" temp under the motherboard section is your socket temp
you want to keep that under low 70s degrees celcius
this is based on a physical sensor right in the socket

the package temp is the core temp of the cpu
this is NOT an actual sensor, this value is based on a formular and usually gets accurate at about 35 to 40 degrees celcius

I own a 8320 myself (@ 4,5GHz) and I keep my socket temp under 75 °C and the package temp under 62 °C (based on a 24h prime95 test)

the socket temp is usually the limiting factor on overclocking FX cpus, because the socket gets really hot caused by the high power draw of the cpu

check out the following links for further information:

OC guide based on asus motherboards:
http://www.overclock.net/t/1348623/amd-bulldozer-and-piledriver-overclocking-guide-asus-motherboard

infos about reading and understanding temperature of amd cpus:
http://www.tomshardware.co.uk/faq/id-2122665/understanding-temperature-amd-cpus-apus.html
 
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06yfz450ridr

06yfz450ridr

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ahh true sorry I am used to using hwinfo more than hwmonitor , ive been reading them backwards the whole time in hwmonitor.

my socket temps are usually higher than my package temps but i am under water
 
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