Memory - Available vs Free?

@Tobi Hahn's answer is incorrect. The correct answer should be either Available or Cached+Free

As suggested by whs in sevenforums.com, Look into Resource Monitor > Memory tab. That gives you a better picture.

Here's my number (with graph): Resource Monitor

  • Hardware Reserved : Used bye BIOS and drivers
  • In Use : Ram your programs/OS are using
  • Modified : Dirty memory, need to write to disk before use.
  • Standby : Cached data and code
  • Free : Free

Also,

  • Available : including Standby and Free. => Standby+Free
  • Cached : including Standby and Modified => Standby+Modified

So The answer should be Standby+Free => Available.

Note: If you want to include Modified, then it would be Modified+Standby+Free => Cached+Free.


Free ram is ram that hasn't been allocated yet. Programs that aren't using ram keep it allocated for later because it's faster to reuse already allocated ram than free ram and reallocate it later. If a new process needs memory but the amount of free ram is low, some of the available memory will be deallocated.

Tags:

Windows

Memory

Windows 7

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