Is part of that memory usage cache though? If there's more aggressive in-memory 
caching of objects, script engines etc, then memory usage would increase, but 
only until Windows signalled a low-memory condition

Cheers
Ken

From: Carl Houseman [mailto:[email protected]]
Sent: Friday, 20 March 2009 9:16 AM
To: NT System Admin Issues
Subject: IE8 vs. IE7 memory consumption

FYI, on Vista SP1 32-bit with 3GB and the same 18 tabs opened immediately after 
IE startup.

IE7 (1 iexplore.exe process)
  Memory (PWS): 174MB
  Commit: 207MB

IE8 (9 iexplore.exe processes)
  Memory (PWS): 273MB
  Commit: 436MB

I know plenty of XP machines still at 512MB.  Fortunately most of those users 
don't even know that multiple tabs are possible, pretty much work in one 
website at a time all day.

Carl






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