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    GPU Temperature Sensor Accuracy

    Discussion in 'Sager and Clevo' started by llynx, Feb 27, 2012.

  1. llynx

    llynx Notebook Consultant

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    This is probably a question for resellers who deal with this but here goes:

    How accurate are the temperature sensors for the 6990M?

    I'm asking because I noticed massive temperature reading changes (+/-20C) simply by applying miniscule pressure to parts of the GPU heatsink while external temperature readings stayed the same. I've seen weird things when applying heatsinks where adding/removing a heatsink on the gpu core heatsink base affected temperatures of the ram by 10-20C (who's heatsink is completely separate from the core).

    Whereas the same experiments on the CPU core yielded zero fluctuations. Is this because its MxM and not fixed to the chipset?
     
    llynx, Feb 27, 2012
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