i have 2008 3.06 ghz 4gb ram 24" working fine. although interested in upgrading 27" 2011 or waiting '12, notice have can upgraded 6gb ram adding 1x4gb chip 1 of slots.
don't games or video or photo editing. movie streaming, email, surfing etc. basic garageband , other music mixing , recording.
1. added 2gb make difference in 2008's performance?
2. getting 2011 or '12 similar ghz , @ least 8gb ram make difference on 2008's performance?
to determine if can benefit more ram, launch activity monitor , click system memory tab @ bottom check page outs. page outs cumulative since last restart, best way check restart computer , track page outs under normal workload (the apps, browser pages , documents have open). if page outs significant (say 1gb or more) under normal use, may benefit more ram. if page outs 0 or low during normal use, won't see performance improvement adding ram.
mac os x: reading system memory usage in activity monitor
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