Does the Macbook Pro slow down on batter power?

Discussion in 'MacBook Pro' started by kingping14, Apr 12, 2012.

  1. kingping14 macrumors member

    Apr 10, 2010
    In other words, if I'm doing a CPU intensive task whilst being on battery and while being on power, will I get different performance?

    I ask because sometimes I notice that if I unzip a 15gb file on the go it is slower than if I did it at home with the power attached.
  2. /user/me macrumors 6502

    Feb 28, 2011
    It's not supposed to afaik, so it could be a matter of perception? :)
  3. Macman45 macrumors G5


    Jul 29, 2011
    Somewhere Back In The Long Ago
    Nope, i'm using my 17" now on battery....It's just due to have a cycle, but plugging in makes no difference in performance UNLESS you drastically fiddle with your power settings in System>Preferences.
  4. amarcus macrumors 6502

    Feb 26, 2008
    London, UK
    No it shouldn't really make a difference.

    Interesting side-note: In the old days when batteries were removable a Macbook Pro would actually run slower when it was running solely off the mains!

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