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Temperature monitoring software telling me different CPU temps

  • CPUs
  • Temperature Monitor
  • Software
  • Overclocking
Last response: in Overclocking
August 9, 2012 10:35:01 AM

Hi, I'm about to overclock my Q6600 G0 (currently at stock 2.4GHz, 266MHz FSB, x9 multiplier) to 3.2GHz. (air cooled)

I have downloaded a few different temperature monitoring software: CPUID's Hardware Monitor, and SpeedFan, to check what temperature my CPU is on idle. I checked this on my BIOS as well.

The BIOS reads my CPU at about 43C and my system temp at about 36C.

The problem is, on SpeedFan, there are two CPU readings, one is currently at 22C and the other is at 32C. There are also two system readings, one at 16C and the other at 35C. I am really confused by this as you'd expect there to be only one temperature for each.

Then in HWmonitor, it's saying SYSTIN temp is at 16C and CPUTIN temp is 22C, however the individual cores are at about 38/39C each.

I've linked a screenshot showing my temperatures in each software, I've highlighted them as well.

Can anyone tell me why this is happening, and which of the temperatures is the actual temperature for both the CPU and system temp?


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August 9, 2012 11:09:06 AM

with some system boards there more then one temp sensor or sensor pins. hardware monitor is the closest one to the mb bios readings as it reading the core cpu temps. that the temps you want to look at when you over clock. the other temps may be sensors for the north bridge and south bridge chipset. look at your mb guild it show you where the temp sensors are or look online to see where there placed. the low temp ones may be under or near a fan.