MacBook Pro - 32 Bit vs 64 Bit?

Discussion in 'Buying Tips and Advice' started by ego, Aug 21, 2006.

  1. ego macrumors newbie

    Aug 21, 2006

    I'm planning on buying a MacBook Pro. I was wondering if I should wait for 64 Bit processors to come out though. Should I wait? What's the main difference? When might they come out?

  2. robbieduncan Moderator emeritus


    Jul 24, 2002
    The only major difference a user is likely to see is that a 64bit CPU can handle more than 4Gb of RAM.
  3. ego thread starter macrumors newbie

    Aug 21, 2006
    Should I wait for it? Are there any big updates due?
  4. godbout macrumors regular

    Jun 22, 2005
    Montreal, Canada
    The information on the difference between 32 and 64 bit computing can be found here:

    As you will read the big difference will be when you are working with data sets that are over 4GB in size. This is because 32 bit addressing can only use 4GB of RAM but in a 64 bit system that can allocate 16 exabytes of RAM! Anyways there are some other differences as well (which you can read about at your leasure) but for a laptop (at this point) there is no real reason to care about 64 bit processors because you won't have more than 4GB of RAM in your system anyways. Why you might want to wait though (depends on how bad you need a MBP) is because they will probably resolve any unresolved issues (are there still any?) and also the intel 64 bit processor, Core 2 Duo, is clock for clock ~15% faster than Core Duo . Also, as with all upgrades they are likely to add some feature that you may or may not care about... anyways... hope this helped

    PS I am not sure of any specific features they might be looking to add
  5. Lucky8 macrumors regular


    May 18, 2005
    Are all the whine and buzz issues been resolved on the current MBPs?
  6. ego thread starter macrumors newbie

    Aug 21, 2006
    Thanks. I'll wait for September!

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