Why Does Windows Vista Uses So Much RAM?

Answer:
Windows Vista is much more aggressive at caching things in the background, i.e. Windows Vista ACTUALLY uses your RAM instead of letting it sit idle.

From our experience, Windows Vista uses about half of whatever available RAM you have during idle periods.


When a program requests for memory, Windows Vista will happily give it what it needs at the expense of caching. Hence, don't be worried that you're using up loads of RAM even when you're not running many applications.


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