What Temp sensors should I be looking at during Stress Testing?

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RezidentSeagull

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Dec 13, 2014
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So, I'm going to try taking a shot at CPU overclocking soon, but I wanted to make sure that I have a good bit of knowledge to work with beforehand. I'm going to use HWMonitor and AMD Overdrive during Prime95 stress testing to measure temperatures at load.

My question is: When it comes to actual temperature values, what should I be looking at, CPU Package temps or Motherboard CPUTIN temps?

I know this question has been asked countless times, but I'm still not sure, especially when it comes to looking at the numbers during tests.

For example, I've been running Prime95 Small FFT test for about an hour and monitoring with AMD OD and HWMonitor, just to see where my temperatures lie at stock:

HWMonitor:
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AMD OD
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Regarding HWMonitor, I'm worried that the 40 degree C value reported by the package sensor isn't particularly accurate (Although I have heard that AMD chips report inaccurate CPU temps for 3rd-party monitoring software)

Anyone have any inputs on what I should focus on?

For reference, I'm using:
CPU: FX-8320 @ Stock 3.5GHz
Mobo: Asrock 970 Extreme 3 R2.0
CPU Cooler: Cooler Master Hyper 212 EVO (1x push fan)

Also, I apologize for the barrage of text here.
 
Solution
BSOD BSTD
try open hardware monitor as well, just to check if your temp readings are correct. You should be looking at both temps cpu package and cputin, you want to keep them below 70 during stress tests, if it hits 70 stop the test.

when gaming 62c is the max for that CPU, so keep an eye on it after a gaming session as well.
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BSOD BSTD

BSOD BSTD

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Nov 21, 2013
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try open hardware monitor as well, just to check if your temp readings are correct. You should be looking at both temps cpu package and cputin, you want to keep them below 70 during stress tests, if it hits 70 stop the test.

when gaming 62c is the max for that CPU, so keep an eye on it after a gaming session as well.
 
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RezidentSeagull

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Dec 13, 2014
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Okay, so here's the side by side of HWMonitor and Open Hardware Monitor, still while Prime95 is running:
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(Are the images showing up? I'm using the image insertion function, but I see nothing)

If the images aren't showing up properly, the readings are:
Motherboard:
- Temperature 1: 60.5 degrees C
- Temperature 2: -1.5 degrees C
- Temperature 3: 35.0 degrees C

CPU:
- Core#1-#8: 39.5 degrees C

EDIT: I think I'll just do as you say and keep an eye on both then, at least when it comes to temperature limits. Are either more accurate than the other though when it comes to real temperature values?

Thanks BSOD BSTD!
 
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BSOD BSTD

BSOD BSTD

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Nov 21, 2013
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No I cant see the images unfortunately. I'm wondering if one of the sensors on your mboard isnt working, -1.5c is an error value.

I'm guessing Temp 1 is the CPU socket (could be north bridge), this is usually hotter as the heat dissipated from the CPU increases the temp. This can be brought down with an intake fan on the case in addition to the rear exhaust fan (it creates a flow of air to better remove the heat). Your core temp is similar to my FX8370 before I oc'd it. My socket temp is cooler than that as I use a water cooler on the CPU with a case intake fan near it. It hits 62c at 4.4Ghz at load. You'll need to keep your eye on that socket temp, when you start oc'ing its going to shoot up, but stay below 70 and you'll be fine.
 
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