Is hyper threading used by the OS?

Discussion in 'iMac' started by Raima, Mar 10, 2013.

  1. Raima macrumors 6502

    Jan 21, 2010
    I see a lot of threads by people trying to decide and justify purchasing an i5 or i7. Normally the factors include what applications are able to utilise the hyper threading, but I don't really see any consideration if the operating system uses it.

    Is it because the operating system doesn't take advantage of hyper threading? If it does, how much of an impact does it have?

    Any clarification would be much appreciated.
  2. cjmillsnun macrumors 68020

    Aug 28, 2009
    OS X has always taken advantage of hyperthreading on Intel chips. It doesn't have that much effect on things as all modern processors are more than powerful enough to run it (the OS) easily.
  3. dukebound85 macrumors P6


    Jul 17, 2005
    5045 feet above sea level
  4. Raima thread starter macrumors 6502

    Jan 21, 2010
    Thx for that input. Is that the same one used in iMacs?

    Just wondering if anyone's had experience with an i5 quad core vs an i7 quad core.

    I've only got dual core i5 from the mac mini to compare, but that's not a really fair comparison. I find the mac mini a lot more choppier and less graceful.

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