older iMac- 2Gb of RAM or 2.5?

Discussion in 'iMac' started by m0nkeyb0y, Jan 3, 2010.

  1. m0nkeyb0y macrumors member


    Jun 16, 2009
    I'm upgrading my parents iMac, an older Intel 2.16 iMac. They have 2x512 Mb RAM. I know there's performance gained by using paired memory, but then I can only go to 2Gb. What's the tradeoff by just buying 1x2Gb and adding it to the remaining 512 stick? Suggestions?
  2. flopticalcube macrumors G4


    Sep 7, 2006
    In the velcro closure of America's Hat
    The gain is 5% at most. More memory trumps dual-channel.
  3. tomacintosh macrumors regular

    Aug 25, 2005
    Max it out, 2GB and 1GB sticks! Not too costly :)

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