What's wrong with my temp readings?

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jumpmanxt

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Aug 1, 2013
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I have an AMD A10-6800K and I don't know which program is accurate for temp readings. I've tried speedfan, hw monitor, coretemp, amd overdrive, and the msi utility that came with the board. Their temp readings vary from one program to another.

AMD Overdrive http://i.imgur.com/Urqd4X1.png
Coretemp http://i.imgur.com/e25aZRC.png
MSI Utility http://i.imgur.com/1Q8z49y.png
HW Monitor http://i.imgur.com/BBXhWrb.png
Speedfan doesn't even show the CPU temps

All these readings are basically at idle and I have a Hyper 212 EVO cooling it. The one that I think is most accurate is the MSI utility.
 
Solution
Tradesman1
If defective return and exchange, in all honesty you'll probably get good components (and I'm not a big AMD fan, I don't build AMD)....but there is the option of Intel, would definitely be happy with them I think......prob don't to hear it, but just being honest ;)
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Calculatron

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Take a look at the thermals when they are at load?

I think you probably done that, but, that will further prove to us that you just simply have faulty thermal sensors. As for why you are getting a couple different sets, motherboards generally have a CPU socket sensor, and can also read the temps from the on-die sensors of the CPU. To muddle the subject, some motherboards have multiple sensors for a variety of reasons. (My Biostar FM2 A85W has a total four temperature probes: one is for the chipset, two are for the CPU socket, and the last I have no bloody clue about.)
 
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Calculatron

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After looking at all of these, I think MSI Utility and HW Monitor are pulling their numbers from sensors that are not the proper CPU Core temperatures.

Coretemps and Overdrive, predictably, are attempting to display the CPU Core temperatures. Core temperatures are, in a sense, "weighted" which means some things that are both good and bad. The bad is that, at idle, temperatures readings are always wonky. The good is that this "weighted" solution provides accurate load temperatures.

This leaves us with a conundrum. To explain fully, we need to look a little bit into semantics. When reading data, there are always two qualities: accuracy and precision. Think of a dart board, and let us say you nail all your darts on the bull's eye. This would be both accurate and precise. On your second try, all your darts landed in the upper-right, but within a centimeter of one another; this would be precise, but not accurate. On your third try, your darts went all over the place; this would be neither accurate or precise. The difference between accuracy and precision explained, thermal sensors can be inaccurate (which is why we're always provided with multiple) but are rarely not precise. (Temperatures stack, they do not scale, like decibels.) Since I honestly do not have a clue as to how the "weighted equation" works with the Core CPU temperature, I do not know how having very inaccurate sensors may affect the readings. Unless you keep your room (ambient) temperature very cold, 27C sounds rather low.

TL;DR - If we knew your ambient temperature, we might, at best, be able to estimate your core temps.
 
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Calculatron

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Well, in this case, there is obviously no way your max core temperature can be the same as your ambient temperature.

By the way, with all these numbers in mind, I am fairly confident that you are, indeed, correct about the MSI Utility being the closest. Depending your case and airflow, your temperatures should be somewhere between 30-40C. Since the CPU Socket temperatures are almost always higher at load temperatures, 44C isn't too far off. (Huzzah!)

Hopefully, replacing/returning your APU does not cost you any money, even for shipping. I hope that everything works out. Keep us updated on the results!
 
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jumpmanxt

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Ok so I went to my local Microcenter to do an exchange. I check my temps after reinstalling the APU and almost nothing has changed. Different programs report different temps. Overdrive and coretemps still reporting near 0C.

Could the motherboard be at fault? At this point I don't know what else to check.
 
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Tradesman1

Tradesman1

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If defective return and exchange, in all honesty you'll probably get good components (and I'm not a big AMD fan, I don't build AMD)....but there is the option of Intel, would definitely be happy with them I think......prob don't to hear it, but just being honest ;)
 
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jumpmanxt

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Yea I'm thinking Intel too. I like AMD and really want to support them just so they don't disappear and leave Intel a monopoly, but I'm only 1 person. Probably get a AMD video card then.
 
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Mannaroth

Mannaroth

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I had the same prob before i tried lots of s.wares but i finally found that Everest Ultimate Edt. and AIDA64 are the most accurate for the temp readings. However if you use these two softwares and get the same results as u get on the others like HWMonitor and so, it also might because of bad sensoring. Also you might wanna replace your fans with new and performance series of some brand which fits your budget atm. even if they r not expensive.

Glad, if that helps.

Regards.
 
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