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Fx-8350 temps, really high under load. Help me troubleshoot?

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  • Cooling
  • CPUs
Last response: in CPUs
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September 28, 2014 9:20:55 PM

Hi, I have a custom built system I did myself last year. It used to have a 6300 in it, overclocked and overvolted. It was on my budget water cooler system, a water 2.0 single rad. It NEVER saw 60C on that cooler.

I bought a 8350 for some better rendering and installed it. It is completely stock, I did everything the same and popped it up to this same cooler. I ran Prime to see what my temps are looking like... and surprise! My fans kick up to maximum and after only seconds its reading a package temperature of 78C... I know I'm not just being paranoid on this one, even AMD recommends they don't get above 62C if I remember right.

So what can I do to troubleshoot? The chip seems to run all its processes and benchmarks fine, my issue is just temperatures. I have the core voltage set to 1.36V, and it reads 1.34V under load so it isn't a voltage issue. Any input would be appreciated!



Gskill ripjaws 1866 memory
Thermaltake water 2.0 performer cooler (Push/pull on rad it's fairly thick)
Fx-8350 CPU
MSI 990fx-GD65V2
CX-750M PSU
2x Radeon hd 7870
2x HDD drives
1x disk drive

I have five fans total in the build, airflow inside the case shouldn't be a major issue.

More about : 8350 temps high load troubleshoot

a b à CPUs
September 28, 2014 9:37:03 PM

I don't think an FX-8350 will actually run at a core temp of 78c. I'm pretty sure it will shut down at that point.

Maybe you have a faulty temperature reading? Do you have another board you can try it in?
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a b à CPUs
September 28, 2014 9:40:24 PM

First check your thermal paste on cpu. Replace and reseat cooler. Please post your specs, especially cpu cooler. Make
sure you cooler is clean and not clogged. Also download core temp and see if it's temp reading is similar to HW minitor's package temp's. You can reset your defaults in bios and see if that makes a difference.
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September 28, 2014 9:44:50 PM

I assume you put the CPU into the same motherboard as the 6300, correct?

If so, did you reset your overclocked voltages in the BIOS to default?
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September 28, 2014 9:48:59 PM

@blue - I think that it could be a faulty reading, but I wouldn't get my hopes up. I have no other board to test it as I am away at college unfortunately. Posted a picture of my readings.
@jaim - I will have to check the paste job I did, it may have been a tad on the thick side but it wouldn't account for temps that high... at least I wouldn't think. The pump is secured well, but I will re seat it after I take a look. Rad I just cleaned out with an air gun before I put in the new processor.
@SGM - Yes, same mobo, I reset all of the voltages by hand to what they should be stock.

Thanks for the idea guys!
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a b à CPUs
September 28, 2014 9:49:33 PM

blue17echo said:
I don't think an FX-8350 will actually run at a core temp of 78c. I'm pretty sure it will shut down at that point.

Maybe you have a faulty temperature reading? Do you have another board you can try it in?

It will since it's shutdown temp as per Amd is 90 degrees celsius.

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a b à CPUs
September 28, 2014 9:49:58 PM

For what its worth, your socket temps look fine. IIRC, AMD has a weird temperature monitoring system that is supposed to be accurate at load but inaccurate at idle (if i had a nickle for every time one of my AMD using friends is bragging that their CPU cooler has their CPU at 12c -.-)

Definitely check your cooler and paste though, and post your gear.
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September 28, 2014 9:52:24 PM

It sure seems incredibly high to me. Could you explain the difference between what it reads as "package", and what it reads as "TMPIN1-3"? I always assumed that the package temperature was the temperature of the chip and the other three were vrm and ambient temps.
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a b à CPUs
September 28, 2014 9:52:43 PM

One of the things that makes me suspect a false reading is that you're not actually experiencing any instability. When I originally got my 8350, I had stock cooling on it in a pretty crappy case. I was hitting 70c during gaming, and getting really really bad system instability leading to consistent crashing.

Edit: Package is the CPU "core" temp. TMPIN0 is your mobo socket temp, TMPIN1 is your VRM temp, TMPIN2 is your south bridge temp.
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September 28, 2014 9:57:48 PM

blue17echo said:
One of the things that makes me suspect a false reading is that you're not actually experiencing any instability. When I originally got my 8350, I had stock cooling on it in a pretty crappy case. I was hitting 70c during gaming, and getting really really bad system instability leading to consistent crashing.

Edit: Package is the CPU "core" temp, and i think that TMPIN0 is your socket temp.


Interesting! Yeah it seems to jump from idle to that reading in a matter of fifteen or so seconds which seems plausible given the load under a stress test but it will not fail it, as you suggest it may do under those kinds of temperatures.

Also thank you for clearing that up!!!
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a b à CPUs
September 28, 2014 10:03:49 PM

Out of curiosity, what kind of temps are you getting at idle?
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September 28, 2014 10:06:05 PM


I just pulled this a minute ago. I'm running a Steam chat in the background and my browser so this is basically idle.
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a b à CPUs
September 28, 2014 10:09:34 PM

Well, I'm out of answers. Check your installation, if everything is good on that front, I would play it safe and rma the chip.
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September 28, 2014 10:13:46 PM

Sounds good, thank you for your help!
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