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[Solved] Which CPU temperature utility is correct?!?!

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Best answer from CompuTronix.

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Gor   11-06-2009 at 04:28:24 AM

Hi Everyone,

I have a Core 2 Quad, Q6600 running at stock clock. I've been trying to figure out what temperature I'm running at and all I've done is confused myself. Each program shows something different.

Can anyone tell me which one I should be taking note of?
Thanks! :pt1cable:

Check this image:

http://i62.photobucket.com/albums/h112/taliesin3x3/Temps.jpg

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Best answer from CompuTronix
Gor,

The Q6600 B3 is a pair of E6600 B2's. At last years' IDF 2008, Intel finally confirmed that Tjunction Max is 90c for these processors.

Real Temp is correct, which uses Tjunction Max 90c. This can be seen if you click on "Settings" and look at "Set TJ Max".

Core Temp is using Tjunction Max 85c, which doesn't comply with Intel.

Hardware Monitor is mistakenly using Tjunction Max 100c, which is for the Q6600 G0.

The Q6600 G0 is a pair of E6850 G0's.

Comp :sol:
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TheViper   11-06-2009 at 04:42:09 AM

Technically all are correct in their own way.

Each one is taking a temp from a different source on the chip and/or using a different method of calculating it.

Reply to TheViper
Gor   11-06-2009 at 04:45:44 AM

TheViper,
Thanks!

I had a suspicion that someone would say that!

I guess what I'm asking is which one should I take note of. Which one would you take note of if you were wanting to avoid any overheating?

Common (safe) sense says "The highest one!", but I want to be realistic.

Message quoted 1 times
Reply to Gor
EXT64   11-06-2009 at 04:47:22 AM

I usually go with the highest or most reasonable seeming one. Also, HWMonitor seems pretty accurate for me a lot. But, unless you physically measure the chip temp, you can't be sure as they can be miscalibrated/mislabeled.

 

Edit: for what you posted, I'd probably go with the HWMonitor readings.


Message edited by EXT64 on 11-06-2009 at 04:48:25 AM
------------------------------ Phenom II X4 940 BE 3.0GHz - 1.25V > GA-MA790GP-DS4H > XFX ATI 4850 1GB > 4GB OCZ Platinum 1066MHz 5-5-5-15-2T > PCP&C 610W
Athlon II X2 250 3.0GHz > GA-MA770T-UD3P > Sapphire ATI 4650 512MB DDR3 > 4GB OCZ Platinum 1600MHz@1066MHz > XP/Win7 Enter 64
 Reply to EXT64
TheViper   11-06-2009 at 05:16:54 AM

Gor wrote :

TheViper,
Thanks!

I had a suspicion that someone would say that!

I guess what I'm asking is which one should I take note of. Which one would you take note of if you were wanting to avoid any overheating?

Common (safe) sense says "The highest one!", but I want to be realistic.


That's in all honesty the best way to go. It's a potential err on the side of caution.

Also, if you compare your temps to others, be sure you are comparing with the same program. I know that's rather obvious but consider it another err on the side of caution, lol.


Also, check out Speed Fan and Intel Thermal Analysis Tool for more temp monitoring fun.

Reply to TheViper
CompuTronix   11-06-2009 at 05:45:03 AM

Gor,

Before this thread becomes a thermal train wreck, let's get our facts straight. There are two different Q6600's; B3 Stepping and G0 Stepping, each of which have different Thermal Specifications. Since Core Temp is showing B3, please confirm this by running CPU-Z, then I'll explain which temperatures are correct, and why.

Comp :sol:

Message quoted 1 times
Reply to CompuTronix
Gor   11-06-2009 at 03:39:30 PM

CompuTronix wrote :

Gor,

Before this thread becomes a thermal train wreck, let's get our facts straight. There are two different Q6600's; B3 Stepping and G0 Stepping, each of which have different Thermal Specifications. Since Core Temp is showing B3, please confirm this by running CPU-Z, then I'll explain which temperatures are correct, and why.

Comp :sol:



Hi Comp,

It definitely is B3 Stepping (SL9UM)
http://processorfinder.intel.com/d [...] Spec=SL9UM

Thanks!

Reply to Gor
CompuTronix   11-06-2009 at 04:03:02 PM
Best answer

Gor,

The Q6600 B3 is a pair of E6600 B2's. At last years' IDF 2008, Intel finally confirmed that Tjunction Max is 90c for these processors.

Real Temp is correct, which uses Tjunction Max 90c. This can be seen if you click on "Settings" and look at "Set TJ Max".

Core Temp is using Tjunction Max 85c, which doesn't comply with Intel.

Hardware Monitor is mistakenly using Tjunction Max 100c, which is for the Q6600 G0.

The Q6600 G0 is a pair of E6850 G0's.

Comp :sol:


Message edited by CompuTronix on 11-06-2009 at 04:06:31 PM
Reply to CompuTronix
Gor   11-06-2009 at 05:27:22 PM

Thank you!
Very concise information.

Reply to Gor
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