4 or 8 GB RAM?

Discussion in 'Mac OS X Lion (10.7)' started by Capex, Aug 4, 2011.

  1. macrumors regular

    Joined:
    Aug 31, 2010
    #1
    I currently have 2 and it's nowhere near enough for what I do with Lion. I was wondering if I should go with 4 gb, or bump up to 8 just to be "safe"?
     
  2. macrumors 68030

    Joined:
    Jul 21, 2011
    Location:
    Los Angeles, CA
    #2
    What are you using it for? 4GB IMHO is the lowest amount you should have in a computer...2 is minimum required, but really low, especially with Lion.

    If you are using it as a personal computer (mail, web, videos, etc) than 4GB is fine. If you are doing anything more with it than 8GB would be a much better option. My Mac Pro has 10GB ram and my Mac Mini has 8GB ram. My MacBook Air has 4GB and I find I have less than 1GB free at all times....which means 2GB would have been massively annoying, while 4 is perfect!
     
  3. macrumors 6502

    rdowty

    Joined:
    Oct 5, 2008
    #3
    If your budget allows 8gb upgrades can be had for $60-90. I think 8gb is only called for for virtual machines and high end photo and video editing.
     
  4. thread starter macrumors regular

    Joined:
    Aug 31, 2010
    #4
    I tend to do some gaming, light photo editing, the occasional movie edit, and web surfing etc.

    Sounds like 4 gb would work?
     
  5. macrumors 68030

    Joined:
    Jul 21, 2011
    Location:
    Los Angeles, CA
    #5
    yeah you should be good with 4GB. I only got 8GB on my Mac Mini because I was using it as a DVR.
     
  6. 3bs
    macrumors 603

    3bs

    Joined:
    May 20, 2011
    Location:
    Dublin, Ireland
    #6
    4gb should be enough but if you have the money then why not go with the 8gb! If you intend on using the mac you're talking about for a while that is
     
  7. macrumors regular

    Joined:
    Jul 21, 2011
    Location:
    North Carolina
    #7
    More ram good...less ram bad. Get more ram...be very happy long time.
     
  8. thread starter macrumors regular

    Joined:
    Aug 31, 2010
    #8
    I am not good when it comes to RAM, and reading computer stuff. Does this mean anything to you guys?
     

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  9. macrumors 68030

    kbmb

    Joined:
    Mar 13, 2007
    Location:
    NH
    #9
    Yeah...it means you need more RAM :p

    Seriously though.....2GB is just not enough these days. 4 is a bare minimum.....but I always say, more RAM the better. So if you can swing 8GB, you'll be golden....but 4GB should do just fine.

    -Kevin
     
  10. thread starter macrumors regular

    Joined:
    Aug 31, 2010
    #10
    Thanks so much. I am ordering 8 gb right now from OWC... So much cheaper than Apple. Thanks again!
     
  11. macrumors 68030

    kbmb

    Joined:
    Mar 13, 2007
    Location:
    NH
    #11
    As long as your Mac can take 8GB...go for it. The price difference probably isn't that big between 4GB and 8GB anyway right?

    OWC is great to deal with as well....get all my RAM from them.

    -Kevin
     
  12. thread starter macrumors regular

    Joined:
    Aug 31, 2010
    #12
    I did their little product selector that shows which RAM you can buy, so it should be compatible!
     
  13. macrumors 6502

    Joined:
    May 20, 2008
    Location:
    London, United Kingdom
    #13
    Congrats on your RAM purchase!

    You might want to run the Extended version of the Apple Hardware Diagnostics (usually comes on the second CD with your Mac, the disc says you need to press Cmd-D on boot) after installing it. I bought 8GB at the start of this year for my MBP, then every so often (once a fortnight) started getting segfaults in apps and, once or twice, a kernel panic.
    Turned out one damn address in that 8GB was bad :(
     
  14. macrumors 68030

    kbmb

    Joined:
    Mar 13, 2007
    Location:
    NH
    #14
    Personally, I think the Apple Hardware test is junk. I've had failing RAM that the AHT passed ;)

    If you really want to stress your RAM to make sure every bit is used and tested.....I've used rember in the past:
    http://kelleycomputing.net/rember/

    You basically set it and let it run a few hours......it everything comes back ok...the RAM should be good.

    It hasn't been updated in a while (not sure if it works under Lion), but it's worked well for me in the past.

    There is also diglloydTools....but it's not free.
    http://diglloydtools.com/



    -Kevin
     
  15. Moderator

    stridemat

    Staff Member

    Joined:
    Apr 2, 2008
    Location:
    Southampton, UK
    #15
    8GB of Ram (or even 4) is not going to cause any additional problems. I have 4GB and these are the stats I get:-

    Screen Shot 2011-08-04 at 19.33.16.png

    OSX just uses RAM in a 'strange' way, it uses all the available RAM thats available. The only time you need more RAM is when the Page Outs increase to a larger percentage of the Page In's.

    Take a look here for more info about OSX RAM usage. In particular:-

    More RAM will only fully benefit you when you have a lot of Page Outs.
     
  16. macrumors 6502a

    Joined:
    Mar 31, 2009
    Location:
    Netherlands
    #16
    This particular picture does not give any indication you don't have enough memory for what you do, however what this picture does not say is how much typical use the machine has had since its last boot. In general, if page out < %50 of page in, you are ok, if page out > 50% page in, you want more memory.

    That said, you were right in that for Lion you would want to have more and 8G really is the way to go especially considering how cheap it is at the moment. It'll make your computer very happy, which in turn will make you very happy.
     
  17. macrumors 6502a

    xkmxkmxlmx

    Joined:
    Apr 28, 2011
    #17
    Considering you can get a 8 gig ram kit for about $40 lately, why not just go 8 for the hell of it?
     
  18. Moderator

    stridemat

    Staff Member

    Joined:
    Apr 2, 2008
    Location:
    Southampton, UK
    #18
    I concur, Me and throttlemeister were just highlighting that the OP does not need more RAM. However it's not going to harm having more.
     
  19. macrumors 6502

    lbeck

    Joined:
    Dec 5, 2009
    #19
    Always, always, always get more RAM. Go with the 8GB, you will be glad you did.
     

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