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Old January 20, 2009, 11:38 PM
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Default CoreTemp vs. Speedfan

Hey guys,

I've been using speedfan for a long time now, but I just got CoreTemp, just to give a comparable figure. I get a few deg lower in CoreTemp compared to speedfan, and was just wondering what is more accurate? I'm getting all new stuff here shortly and will be overlocking and want to be as accurate as possible.

For another week or so I'm using my old stuff which is where these screenshots are from:
AMD 64 X2 6000+ OC to 3.1 Ghz 1.45v
T.R.U.E 120 with 2 120mm fans at 1500rpm.
Antec 1200 full of fans.
Ambient temp: 21c

Thanks!

Screenshots:





Under 100% Load

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Last edited by Jake_HT; January 21, 2009 at 12:21 AM.
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Old January 20, 2009, 11:48 PM
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Coretemp is generally accepted as being correct.
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Old January 21, 2009, 12:06 AM
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The CPU temperature being shown by SpeedFan is from the sensor located on the motherboard, while CoreTemp is taken from the actual CPU its self. You'll notice that Core in SpeedFan provides info from the same location as CoreTemp does.

That being said, while I agree that CoreTemp and RealTemp show the most accurate temperatures, if your trying to figure out a max overclock, personally I'd always assume the worst(highest) reading is correct(even if its not). Hope that helped!
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Old January 21, 2009, 12:07 AM
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And while were on it..

Use SmallFFT not Blend.
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Old January 21, 2009, 12:16 AM
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Quote:
Originally Posted by enaberif View Post
And while were on it..

Use SmallFFT not Blend.
Oops, never thought of that..

Thanks guys, it seems that the core temperature reading in speedfan indeed does match CoreTemp, or within 1 value of it. I'll just continue to use speedfan, since it displays info about all other readings also.

This new cooler is very impressive, about 7 less under load than my Zalman 9500a, and about 2-3 lower idle, and it's sideways! With the new stuff (and no longer sideways) it should cool the i7 good enough for a big overclock. Plus I can turn them up to 2000rpm, but then it gets kinda distracting
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Last edited by Jake_HT; January 21, 2009 at 12:21 AM.
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