Why such a high ram requirement?

Discussion in 'Mac OS X Lion (10.7)' started by dukebound85, Jun 7, 2011.

  1. macrumors P6


    Jul 17, 2005
    5045 feet above sea level
    Why does lion require 2 times as much ram as SL? Seems like quite a jump in the baseline...even moreso when you look at past OS releases

    Lion: 2gig
    SL : 1gig
    Leopard: 512MB
    Tiger: 256MB
    Panther: 128MB
  2. macrumors 6502a

    Nov 2, 2010
    From that list it looks like the required RAM is doubling each new version of the OS. So the 2GB minimum was to be expected. I have thought the minimum would probably be 2GB for quite a while.
  3. macrumors 68020

    Mar 1, 2010
    It has to do with how powerful computers are getting now a days. Mac OSX is just using more available resources to it, to do more things. Most computers come with between 4-6 GB of ram.
  4. macrumors 6502a

    Nov 2, 2010
    My '07 MacBook still has the CTO 2GB RAM it came with. I guess I'll need to upgrade the RAM to 4GB (3.3GB addressable) before upgrading to Lion (if I decide to so).
  5. macrumors 6502

    Jun 8, 2011
    The first DP were runing fine on my mid 2009 MBAlum. I don't think that upgrading the RAM is strictly necessary for Lion
  6. macrumors newbie

    Oct 27, 2009
    I guess the more processor cores you have, the more memory your going to need so the processor cores have enough stuff readily accessible to process. Otherwise you get a bottle neck.

    It's not really OSX thats wanting more memory, just the demand of the processors thats driving the increase.

    The price of RAM today is dirt cheap anyway, you can get 8GB kits for £60 if you shop around. All new models come with 4GB as standard as it is.
  7. macrumors G4


    Mar 24, 2006
  8. macrumors 6502a


    Oct 18, 2008
    Probably because even if it really was more like 1.5gig, that would be a rather unusual amount to have installed. 2gig just makes more natural sense in how computers are usually put together with pairs of ram sticks.
  9. macrumors regular


    Jun 12, 2011
    Isn't 64bit computing always more RAM-intensive, even if the tasks are the same? Firefox 4 uses 80MB RAM when I launch it in 64bit mode and 55MB RAM when in 32bit mode. Other applications behave in similar ways.
  10. macrumors 68030

    Jan 20, 2010
    Do the math... you're asking why Lion requires 2x more RAM than the previous release, then show the RAM requirements for the past several releases, all of which doubled the requirement from the previous release.

    I know it's been said already, but the incongruity of the "even moreso when you look at past releases" (because when you look at past releases it fits the pattern perfectly) statement is kind of confusing.
  11. macrumors regular

    Jun 6, 2011
    and someone would want less than 2GB of RAM because??:confused:
  12. macrumors 6502a

    Jul 7, 2005
    Good question. Another good question: when did the last Mac with less than 2GB ship? 2007? If one wants Lion, I don't think $40-60 for a memory upgrade for a four-year-old computer is really that outrageous.
  13. macrumors 65816


    Apr 8, 2011
    Western Hemisphere
    This was my point as well (that even before being officially announced I knew ram requirements would increase).

    That's why when there was a very big discussion about the measly 2GB as STD in the MBA, when people asked if it was enough I said no, upgrade to 4GB. That suggestion on my part brought a firestorm of hate from the fanboys once again defending Apple saying 2GB was more than enough. How dare I suggest more would be beneficial.

    All these experts are quite interesting.

    When I ordered an 11" & 13" MBA's the extra $100 each to move up to 4GB was more than worth it. Especially since they're not user upgradeable.
  14. macrumors 68030


    Jun 12, 2009
    San Clemente, CA USA

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