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Haswell temperature monitoring - Page 2

post #11 of 16
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But what is up with the 1st? It is burning hot at 86 max. I was really hoping 4.8 GHz, but if these temps suddenly jump to 20 000 C for no apparent reason I guess I can't. I also have to wait for some thermal paste to delid, but I am going to expand my loop to my GPU first so I think in a month or so I will delid, since I have to do a 2 week summer job period and then I am going to Ljubljana, Slovenia (maybe). But is everyone completely sure about these programs. The socket temp or Bios temp seems more accurate and realistic, but I don't know
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post #12 of 16
The max temps on that picture are 91, 86, 81, 78 and if I see it correctly you only tested for 3 min?
Do a 20 min test and see if the max temps still have such a big variation, but honestly I think its normal I get about the same results after 3 min stress testing
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post #13 of 16
I read somewhere (but it was on the internet so more research needed) that the proximity of a couple of the cores the the onboard VRM on haswell causes higher temps.
I think it's just a theory though
    
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post #14 of 16
Quote:
Originally Posted by AlDyer View Post

But what is up with the 1st? It is burning hot at 86 max. I was really hoping 4.8 GHz, but if these temps suddenly jump to 20 000 C for no apparent reason I guess I can't. I also have to wait for some thermal paste to delid, but I am going to expand my loop to my GPU first so I think in a month or so I will delid, since I have to do a 2 week summer job period and then I am going to Ljubljana, Slovenia (maybe). But is everyone completely sure about these programs. The socket temp or Bios temp seems more accurate and realistic, but I don't know

Haswell is simply a hot bastard. We just have to learn to accept it :\

Mine is running pretty stable now at 4.4Ghz and 1.265 Adaptive voltage.

I was wondering though if your CPU is stable enough? What's the longest stress test you've run at 4.6Ghz?

As for monitoring temps - keep using Aida64 but definitely get Realtemp, as the others suggested. Very good software.

-Rich
Edited by RichiRichX - 6/29/13 at 4:34am
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post #15 of 16
Thread Starter 
I have AIDA64 I will do a longer stress test later. Yeah was talking about another picture lol. Anyway those temp differences are really weird. I will report later.
Edited by AlDyer - 6/29/13 at 10:30am
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post #16 of 16
Intel's core temperature sensors are accurate to +/- 5C and that's at the calibration point. Many popular stress testing programs do not equally load the cores so the difference can be greater than that. Significant temperature differences between cores is not "weird", it's normal. You have to keep in mind that these sensors sole purpose is to control thermal throttling and thermal shutdown and Intel calibrates these sensors for that purpose. Core temperature sensors have never been 100% accurate and the amount of error can also vary from idle to full load. As long as your CPU is stable and not thermal throttling then I wouldn't be too concerned about the core temperature. The CPU Package temperature combines data from all of the sensors and reports the highest value. Watching only this temperature reduces the amount of error and variation you are going to see from core to core.
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