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Task manager performance tab memory question

post #1 of 7
Thread Starter 
i have a notebook thats got windows 7 64bit and 4gigs of ram. after booting, the task manager says that i have cached only about 700mb, and that i have like 3gigs of memory free.

on my vista 64bit pc though (4 gigs ram), after booting up, it shows taht i only have 400mb free! i reformated my pc a couple months ago, and at first it would show that i had 0 mb of free physical memory, but as time went on, more memory would become free, and now i get about 400mb of free memory in task manager.

why is the number of free ram so low? before my reformat i'd have 3 gigs of free ram in task manager, but its been 2 months now and the ram is not freeing up, or it is, but its going really slowly.

what is going on here? does the low amount of free ram mean that my computer works slower? and why does my newly bought windows 7 notebook have so much free memory, while my vista pc has so little?
post #2 of 7
where are you looking for the free ram?

Look at the bottom of task manager, what does it say your physical memory percent is?
post #3 of 7
Windows 7 and vista cache frequently accessed files into ram. It fills all your ram and it is GOOD. Vista shows the cache as used, but 7 shows it as free, because everyone (like you) freaked out about the memory consumption. If you want the real data, check resource monitor. It shows used, cached, and free separately.
Edited by ben822 - 1/7/11 at 5:22pm
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post #4 of 7
I just looked, the number you are looking at is the free amount under memory, that is a BS number as to how much ram you have free.

Just look at the percent at the bottom.
post #5 of 7
Im not sure but it maybe be using some system memory for the video card and holding it as reserve...
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post #6 of 7
Thread Starter 
the physical memory percentage at the bottom right corner says 29%. but the part that shows cached memroy says i have 2,874mb, and only 342mb free.

well now that ben explained it, i am at peace.

i didnt move back from 7 to vista, i have 2 computers, one a notebook that has 7, and the desktop that has vista.
post #7 of 7
Quote:
Originally Posted by Buka The Earthworm View Post
the physical memory percentage at the bottom right corner says 29%. but the part that shows cached memroy says i have 2,874mb, and only 342mb free.

well now that ben explained it, i am at peace.

i didnt move back from 7 to vista, i have 2 computers, one a notebook that has 7, and the desktop that has vista.
yes the percentage is your actual memory usage, there may be more ram being used by dormant data, but the percent gives you the amount of data in active use.
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