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is amd overdrive accurate? (CPU temp is 13 degrees higher than in HWMonitor)

post #1 of 8
Thread Starter 
AMD Overdrive claims my CPU is at 53 degrees (running prime95, 3.6Ghz test)

HWMonitor claims my cpu is at 40 degrees, with the TMPIN2 at 53 (I think this is the north bridge, its apparently always high on this mobo)


which number is more trustworthy?
post #2 of 8
is that the core temp or the socket temp? the socket temp is the one you want to go by.
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post #3 of 8
I have noticed the same thing, overdrive tells the truth. (Unless you want to believe your cooler can drop cpu temperatures so much bellow ambient)
post #4 of 8
I see you have an 990FXA-UD3. There are known issue's with some temp programs. AMD overdirve is wrong. For some reason some programs will read false temps on the UD3's. I had the same problem. With my 955BE at 4.0 and 1.45v with a silver arrow Overdrive claims my CPU hit temps up to 80c. According to hardware monitor and many many other temp programs my temps never go past about 45c. my PC is stable for 12+ hours of prime, It will fold and will pass any IntelBurnTest. dont use overdrive to monitor your CPU temps. I use OpenHardware monitor. Home this helps.

Also the temps sensors are as follow's

TMPIN0 = Sytem (Motherboard) Temp
TMPIN1 = CPU Temp
TMPIN2 = Northbridge Temp

I have also had an issue where HardWareMonitor would read TMPIN0-TMPIN02 up to 252c. as we know all of those temps are impossible. The PC would not run at these temps. and don't mind your NB temps, according to Gigabyte they are tested at up to 80c with out issue.
Edited by KhaoticKomputing - 12/11/11 at 12:30am
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post #5 of 8
Core Temp seems to be the most accurate. HW Monitor often gives false data as do other programs. Many programs may not be updated for the FX CPUs yet, so check for an update. Temp sensor offset changes with CPU designs too which will skew the readings.
post #6 of 8
amd overdrive is really weird
when the cpu is on idle it show 60-61 C
AND WHEN I START THE CPU STRESS TEST IT DROP TO 45-40 AND 35-34 -33
TRYED to reinstal the softw. but nothing really change. I don't no what to think
I have a 8350 on stock ...I want to overcloak it but not with this temp check
and core temp dosn't work for me ...maybe I dont know how to use it :S
I have reboot the bios (from stock setting)
and it show me the same result...can someone help me frown.gif
post #7 of 8
Quote:
Originally Posted by vx53c View Post

I have noticed the same thing, overdrive tells the truth. (Unless you want to believe your cooler can drop cpu temperatures so much bellow ambient)

Actually, the temperature reading that is most important, is the one that drops below ambient (core temp reporting).

Nothing ACTUALLY drops below ambient. For all intents and purposes it is best to consider the core temp a "relative" reported temp. The whole reported range is off by about 20C from reality but that's not important. What IS important, is understanding that because this temp reporting is based on algorithms and internal sensors, it is not subject to the sort of tolerances common to probes. It is the most precise (not the most accurate, an important distinction) way to determine how close the CPU is to its max rated temps.
     
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post #8 of 8
Quote:
Originally Posted by dafuture View Post

amd overdrive is really weird
when the cpu is on idle it show 60-61 C
AND WHEN I START THE CPU STRESS TEST IT DROP TO 45-40 AND 35-34 -33
TRYED to reinstal the softw. but nothing really change. I don't no what to think
I have a 8350 on stock ...I want to overcloak it but not with this temp check
and core temp dosn't work for me ...maybe I dont know how to use it :S
I have reboot the bios (from stock setting)
and it show me the same result...can someone help me frown.gif

You could start by reading the release notes. They were right next to the link to download AMD Overdrive.

http://sites.amd.com/us/Documents/AMD_OverDrive_Utility_AMD.COM_Release_Notes.pdf
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