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GPU-Z temp reports.

Discussion in 'Overclocking & Cooling' started by KapiteinKoek007, Sep 20, 2010.

  1. KapiteinKoek007

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    Hi all,

    im feeling kinda stupid for starting a new thread for this, but i could not find any related topic of my question so here goes,

    i have a GTX 260 BE 216
    i Downloaded gpu-z 0.4.6 (latest) correct me if im wrong.
    now when i go to the sensors tab, it shows me 2 gpu temps, 1 says reported by ADT7473
    and the other says reported by graphic driver.
    the one reported by the graphic driver is always 7 degrees higher then the one reported by the ADT7473 chip.
    now my question is what gpu temp should i trust,
    idle the ADT7473 reports around 27.5 degrees and the graphic driver says 35 Degrees
    is it possible that the ADT7473 is the most accurate, cuz its a chip sensor or do i need to trust the temps given by the graphic driver.
     
  2. hat

    hat Maximum Overclocker

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    It seems most everyone else goes by what the driver says. I would think the sensor chip would be more accurate, but I go on what the driver says anyway, as it's a higher temp... so I try to keep that temp down just in case it happens to be the correct one.
     
    Crunching for Team TPU
  3. KapiteinKoek007

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    hehe yeh i would be logical to go with the more accurate chip sensor, and indeed a higher temp makes me more carefull xD:cool:

    thanks for the tip, im just going to wait what other people experience is in that corner. and see what they have to say bout the 2 gpu temps.
    btw PCB also has 2 readings also chip and graphics driver.
    But those 2 temps same pretty much the same idle 29/30 degrees & load 41/42
     
    Last edited: Sep 20, 2010
  4. Mussels

    Mussels Moderprator Staff Member

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    the reason this happens is because the temp sensor isnt in the hottest part of the chip, so adds 7 onto so that you get the 'reading' for the hottest component.
     
  5. KapiteinKoek007

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    Yeh that would seem logical, thanks for the answer m8:)
     
  6. W1zzard

    W1zzard Administrator Staff Member

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    usually the nvidia driver uses the adt7473 chip too, but it adds some values to it which isnt always 7°C. whether this is diode compensation/calibration or some "hottest part of the chip" things or something completely different is unknown
     
  7. KapiteinKoek007

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    hmm okay, i guess i just go with the highest temp. that way i can never go wrong.
    it idles around 55 degrees on 3/4 hours load so, thats not my issue.

    thanks for the advice m8
     

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