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    VGA button(integrated/discrete graphics) and CPU clock on W170HR. Weird behavior.

    Discussion in 'Sager and Clevo' started by dshtarev, Nov 15, 2011.

  1. dshtarev

    dshtarev Newbie

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    Hello!

    I noticed some strange behavior on my laptop. If my laptop is running descrete GPU(vga button color is orange) everything is fine with cpu performance. SuperPI gives me 14.5s on 1M. With integrated graphics(vga button color is green ) SuperPI gives about 35s on 1M. I downloaded turbo boost monitor and tried superpi with both discrete/integrated gpu modes. I noticed that with integrated graphics cpu clock never reaches top value, almost all time during superpi test cpu is running at 800Mhz clock. With discrete gpu, cpu clock bounce to 2.6Ghz immediately after superpi calculation start. So i decided that gpu mode affects CPU clock, or the ability for the CPU to increase clock. How it could be explained?
     
    dshtarev, Nov 15, 2011
    #1