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who do I trust with temp readings?

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February 3, 2007 5:33:26 PM

P5B, Zalman 9700. BIOS: 1102 (latest)

Idle temps: TAT: 40-41
ASUS PROBE: 30-31.
Speedfan: 30-31
Coretemp: 39.

Just before the bios update, I was running 0908 (beta). and TAT reported 46-47 idle (which I doubt).

I used to have 44-45 with Zalman 9500 which had a defective base. And the 10 degree difference between TAT and Speedfan is outrageous.

Which one is right folks?

More about : trust temp readings

February 4, 2007 3:14:14 AM

Yes your are going to see those kind of temps difference with those programs. There are couple of different temp sensors on a cpu for temps readings. So dont be alarmed. Its nornal. I use Coretemp and Everest to get my temps readings for my cpu and gpu. Your idle temps look ok.

What are your temps at load using Orthos or runing dual Prime95?
a b V Motherboard
February 4, 2007 3:43:15 AM

Quote:
TAT reported 46-47 idle (which I doubt).

I used to have 44-45 with Zalman 9500 which had a defective base. And the 10 degree difference between TAT and Speedfan is outrageous.


Actually...it all makes sense. For answers to your temperature questions, check out the following:

Core 2 Duo Temperature Guide

Hope this helps. 8)
Related resources
a b V Motherboard
February 4, 2007 3:44:08 AM

TAT or coretemp. Either one is fine. KEep cpu under 65 and you're good. Preferably keep CPU under 60. at 80 CPU will start to Throttle at 85 it will shutdown.
February 4, 2007 3:44:57 AM

I was just going to put that in my 1st post but could not find it.

:D 
February 4, 2007 3:19:15 PM

The beta version of speedfan now reads the temperatures of the cores. On my system it reads the same as coretemp and only 1 degree different than TAT.

Jim L
a b V Motherboard
February 4, 2007 8:07:59 PM

Take the average temp listed by all the programs and you should be ok. :) 
February 4, 2007 11:48:15 PM

Quote:
This is a problem. Some people are overclocking and thinking their temps are ok, and they are not.
I use TAT (Intel thermal analysis tool) and coretemp. They only differ by 1 degree at the most on my system.
However my Gigabyte bios and Gigabyte hardware monitoring software (easy tune 5?) both show the temperature much, much lower than what it really is.


Similar problem here with a Gigabyte DS3 mobo. Easy Tune & Core Temp have the same readings, and TAT is about 10°C higher.
February 5, 2007 6:49:55 AM

I use Everest Ultimate. It reads the individual temperatures for each of the cores on my CPU. They're usually within a degree or two of each other. At least for my CPU/mobo combo the "overall" CPU temp is WAY off. No matter what I do (idle/full load) the "overall" temp is 35C +/- 5 for some reason. I've found that these temperatures are about the same as those reported by Speedfan, but I like Everest because it tells you so many other things about the computer.

-mcg
!