Does more Ram use more battery power?

Discussion in 'MacBook Pro' started by yuanmoons, Nov 16, 2008.

  1. yuanmoons macrumors 6502

    Joined:
    Aug 7, 2008
    #1
    I read a comment in passing whilst surfing and i wondered whether it was true - does more ram equal more power drain? if so, any indication of how much extra 10%? etc?

    I thinking of upgrading from 2 to 4gb ram on my macbookpro 2.4ghz.

    Thanks
     
  2. inigel macrumors regular

    inigel

    Joined:
    Mar 14, 2008
    Location:
    Australia
    #2
    Yes. It would have to power the extra stick.

    I am unsure as to how much more battery power is required though.
     
  3. MasterNile macrumors 65816

    MasterNile

    Joined:
    Apr 9, 2008
    Location:
    San Antonio, TX
    #3
    But if you're currently using 2x1GB and upgrade to 2x2GB it's not an extra stick, it's just 1GB more on each stick, would that still use more power?
     
  4. yuanmoons thread starter macrumors 6502

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    Aug 7, 2008
  5. JG271 macrumors 6502a

    JG271

    Joined:
    Dec 17, 2007
    Location:
    UK
    #5
    Yeah thats right. I think a higher quantity of ram might use a tiny bit more power, but it really won't make a difference to your battery life. There will be more physical chips or chip capacity in the 2gb sticks, so that is why i think it might use more power. Not sure though.
     
  6. natebookpro macrumors 6502a

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    Sep 25, 2008
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    Maryland
    #6
    But what about less accessing the hard drive...
     
  7. JG271 macrumors 6502a

    JG271

    Joined:
    Dec 17, 2007
    Location:
    UK
    #7
    That is true, but unless you're doing anything really heavy or you have a small amount of ram it won't write to the hard drive much at all.
    You can check your page ins and outs on disk utility. Mine has been very little (100mb) and i have 1gb of ram.
     
  8. ValkyrieLenneth macrumors regular

    ValkyrieLenneth

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    Jun 28, 2008
    Location:
    Vietnam
    #8
    In most cases, increase RAM will increase battery usage time as well :D
     
  9. yuanmoons thread starter macrumors 6502

    Joined:
    Aug 7, 2008
    #9
    I guess the simple answer is "Not really".

    Thanks all.
     
  10. MBPDiva macrumors regular

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    Nov 1, 2008
    Location:
    on Orion's Belt
    #10
    When I bought my MBP in October, I upgraded to 2x2 Gb RAM about a week later in-store because I do a lot of graphics work with PS3. I didn't notice any extra faster drainage of battery power when I got home.
     
  11. belvdr macrumors 603

    Joined:
    Aug 15, 2005
    #11
    Yeah, or not enough to worry about. :)
     

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