Seeing 4 Cores on i5 MBA

Discussion in 'MacBook Air' started by claughery, Oct 8, 2011.

  1. macrumors newbie

    Joined:
    Feb 4, 2003
    #1
    Hey... Just upgraded MBA yesterday to i5 from c2d. I am noticing 4 cores in the activity monitor.... Am I seeing correctly? Why is this???
     

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  2. Moderator emeritus

    Hellhammer

    Joined:
    Dec 10, 2008
    Location:
    Finland
    #2
    Two cores + Hyper-Threading = Each core can process up to two threads simultaneously = Four threads in Activity Monitor
     
  3. macrumors G4

    Chundles

    Joined:
    Jul 4, 2005
    #3
    Hyperthreading.
     
  4. macrumors 65816

    Joined:
    Nov 2, 2008
    #4
    I didn't know about that either until I observed my MBA converting a 720p video with Handbrake about 1/3 faster than my two year old iMac.

    Tech is quite amazing and so is the MBA :D
     

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