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    How many cores on the g73gh i7 720

    Discussion in 'ASUS Gaming Notebook Forum' started by ubphu, Oct 19, 2010.

  1. ubphu

    ubphu Notebook Enthusiast

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    My understanding is that the i7 has 4 cores but in my task manager there is 8 columns under CPU usage and in msconfig under boot - advance settings i can choose 8 processor as the number of processors. Is this the number of threads? I had just reinstalled windows 7 and before there was only 4 columns and 4 in the bootup settings. very very strange.
     
    ubphu, Oct 19, 2010
    #1
  2. Ruckus

    Ruckus Notebook Deity

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    Ruckus, Oct 19, 2010
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  3. Johnksss

    Johnksss .

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    4 cores 8 threads.
     
    Johnksss, Oct 19, 2010
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  4. <MarkS>

    <MarkS> Notebook Village Idiot

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    The OS shows logical cores. Your processor with 4 physical cores and hyperthreading (when it's enabled) has 8 logical cores.

    An association between number of logical cores and number of threads doesn't really apply. In any given time on Windows, there's hundreds of active threads. Only 1 thread can run at a time per physical core. If you research hyperthreading technology, you'll see how hyperthreading takes advantage of idle time on a thread to rapidly switch the thread context to another thread on the same core. So there's never 8 threads running truly at the same time...only one per physical core.
     
    <MarkS>, Oct 19, 2010
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