Ask Different is a question and answer site for power users of Apple hardware and software. Join them; it only takes a minute:

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

In the picture below the shouldn't the (shared memory + private memory) equal the real memory? Am I reading this wrong? What else constitutes the real memory size? I assumed that shared memory was real memory and private memory was real memory.

Thanks in advance :-)

memory image

share|improve this question
up vote 1 down vote accepted

The accepted answer to this question (and the associated links) defines the terms and also offers some explanation which may help.

share|improve this answer
I appreciate the answer, I still couldn't find whether are not real is shared + private or some variant of that. But that did help :-) I understand it is roughly that, but I was looking for something definitive. +1 though for finding that :-) – rubixibuc Feb 7 '12 at 22:25

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.