Why You Should Let Windows Vista Use All the RAM?

Last Revised on February 2, 2008

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What’s Vista Doing With All That RAM? Vista use almost all of your RAM, even when no programs are running. But that’s completely ok, or even better and not bad.

There are free RAM on an XP machine carrying 1GB of memory, with no programs running. The result: 811MB of free RAM. On a Vista machine in the same situation, the figure for free RAM was a big goose egg.

So why is that good? Vista puts all of its unused RAM into a cache called SuperFetch. That’s a better way to store the RAM than letting it sit idle, and should improve performance.

When a program needs more RAM, Vista takes it out of the cache and gives it to the program.

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