Topic Title: FX6350 temperature monitoring
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Created On: 11/16/2013 06:00 PM
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 11/16/2013 06:00 PM
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I've been using Speedfan to monitor my FX6350 which was reporting 65-72deg celsius when playing Battlefield 3 and DayZ and 36-40deg celsius idle temps with the stock CPU Cooler. This was with ambient temps in the low to mid teens. I then dropped my in-game graphics settings to medium and resolution (in-game as well as Windows) to 1600X900 from 1920x1080. This resulted in in-game temps hitting 58-62deg depending on ambient temperature. After adding a Coolermaster Hyper 212 Evo to my system I was getting similar temps playing with hi graphics settings, 1920x1080 resolution and ambient temps in the low twenties (an improvement I suppose). CoreTemp and HW Monitor give me completely different readings however with idle at 9-13deg Celsius and in-game 25-40deg Celsius (only used these programmes since installing the Hyper 212). I’ve now started using Overdrive which I’m assuming would be the most accurate option.

 Can someone please confirm if these readings from Overdrive look right? Also, which are the important temps to monitor and what are TMPIN0, TMPIN1, TMPIN2 and TMPIN3? Would really appreciate the assist.


Recorded while playing DayZ on medium with 1600x900 resolution. Ambient temperature mid teens (Celsius) for about 1 hour.


                Min        Max       Average

Core0    14.12     35.62     27.59    

Core1    14.12     35.62     27.59    

Core2    14.12     35.62     27.59    

Core3    14.12     35.62     27.59    

Core4    14.00     35.62     27.59    

Core5    14.00     35.62     27.59    

TMPIN0  50.62     62.02     59.68    

TMPIN1  261.42   261.42   261.42  

TMPIN2  262.04   262.04   262.04  

TMPIN3  253.74   253.74   253.74  


System setup and specs:

FX6350 (No OC) With Coolermaster Hyper 212 evo (push pull config)

MSI 970A-G46

Western Digital Caviar 500gb


8GB Kingston HyperX 1600mhz (2x4gb)

Coolermaster Extreme2 725W PSU (top mounted)

8” casing with 2x 12cm, 80cfm front intake fans and 1 rear exhaust running @ 100% permanently.

 11/16/2013 06:30 PM
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The are problems with all software reading the AMD FX CPU temps. The only temps that are fairly accurate are in the 40C-70C range. The farther from 40C the more in-accurate. Obviously you can't have an air-cooled CPU running at temps below ambient so you know those temps are incorrect.

As far as what temps actually matter, only the AMD specified Max 24/7 operating CORE temp for your particular CPU or APU matter. Unfortunately many BIOS and software list "CPU" temp or similar and this is NOT the CPU CORE temp, but a thermister mounted below the CPU socket on the mobo. This thermister typically reads 10C-25C higher than the CPU cores and causes a lot of people false concern because they mistakenly think it is the CPU core temp.

It's worth noting that AMD Overdrive also improperly reads the CPU/APU temps outside the 40C-70C range and AMD plans to correct this in the next iteration of AMD Overdrive - according to AMD Engineering.

So in summary if your CPU under max load is below the maximum specified CORE temp for your model CPU/APU, then all is fine. Ignore other temp readings as they are incorrect and very misleading. Do not add an offset as some folks suggest to make the idle temps look correct as this will grossly inflate the real temps and cause even more distress.


Technical ignorance is NOT a destiny it is a choice. Do your homework so that you can make technically informed decisions and not be duped by advertising hype or mis-information stated as fact when its not.


Edited: 11/16/2013 at 09:41 PM by AMDforMe
 11/18/2013 03:05 AM
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Those temps didn't make sense that's why I was using Speedfan all this time but it's nice to get a professional opinion. Thanks for the feedback. Hope that update for Overdrive comes through some time soon.

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