MBP 15" i7 4gb vs 8gb RAM

Discussion in 'MacBook Pro' started by whatusername, Apr 23, 2010.

  1. whatusername macrumors newbie

    Joined:
    Feb 10, 2010
    #1
    I'm curious as to the performance difference between 4gb and 8gb RAM on a MBP i7. Please let me know your thoughts.
     
  2. alphaod macrumors Core

    alphaod

    Joined:
    Feb 9, 2008
    Location:
    NYC
    #2
    There are no differences unless you need more RAM 4GB of RAM, at which point the 8GB configuration will be faster; otherwise they should be pretty much the same.
     
  3. man02195 macrumors regular

    Joined:
    Feb 8, 2010
    #3
    If you commonly run pshop, parallels or vmware, iphoto, itunes, mail at the same time, it will make a huge difference.
     
  4. hayduke macrumors 65816

    hayduke

    Joined:
    Mar 8, 2005
    Location:
    is a state of mind.
    #4
    There are two answers:

    1) (snarky) If you don't know if you need 8GB of RAM, then you don't need it.

    2) Use the Activity Monitor.app to monitor your...um...activity. You can see how much ram you are using under different use conditions. If you are on a 4GB machine a regularly use most of the RAM then 8GB will likely help. If you rarely exceed 2 to ~3GB then the jump to 8GB is not likely to be noticeable.
     
  5. TheLonelyIsland macrumors member

    TheLonelyIsland

    Joined:
    Jan 25, 2009
    Location:
    I'm On A Boat.
    #5
    My Geekbench points went up about 900 points from 4GB..
     

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  6. elpmas macrumors 68000

    elpmas

    Joined:
    Sep 9, 2009
    Location:
    Where the fresh snow don't go.
    #6
    if you got the money for 8gb of memory then do it. can't hurt :D
     
  7. cluthz macrumors 68040

    cluthz

    Joined:
    Jun 15, 2004
    Location:
    Norway
    #7
    No you didn't.

    My MBP gets 5600 with 4GB.
    If you got 4700 with 64-bit Geekbench, then you did something really wrong.
     
  8. alphaod macrumors Core

    alphaod

    Joined:
    Feb 9, 2008
    Location:
    NYC
    #8
    Also, for obvious reasons, make sure you're testing with the 64-bit version of Geekbench on both configurations.
     
  9. shoppy macrumors 6502a

    Joined:
    Mar 4, 2007
    Location:
    Hants
    #9
    I get about 5500+ whilst in 64 bit test average with 4gb of ram.
     

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