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Originally Posted by Perineum  From what I understand, if you're using all 32bit software then you're probably using more ram using a 64bit OS with 4 gigs of ram than you would using a 32bit OS with 4 gigs of ram due to the overhead of WOW64. |
WOW64 effectively has no overhead. It's just a lightweight translation layer and a switch that tells the CPU to run in 32-bit mode.