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TWRoO on 10 December 2009
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Xoj said:
TWRoO said:
Positive both are 64bit.

My RAM usage at the moment is 1.28GB.... that's Windows 7 plus any background stuff that runs (ie stuff that wasn't there when I very first installed W7... I used an upgrade install onto Vista home premium but I hadn't connected it to the internet or installed anything onto Vista before I upgraded) plus firefox with 3 tabs open, plus a word document and an Excel document (and I assume the task manager takes up some RAM too)

I bought this laptop about 2 months ago, and basically didn't use it until I upgraded to Windows 7.

Vista Home Premium the first time I turned it on used up 1.4GB (I can never remember, is it capital B for byte or lower case)
Windows 7 when I first installed it used up 800MB

It's possible some of the discrepancy is DELL functions such as their Dock, which will have been running when I checked Vista, but I think I had uninstalled it when I checked Windows 7... but would the Dell Dock really take up that much space?

its normal  to use 1.2gb-1.4gb

W7 64bit never go below that,  800mb it's usable without cached memory.

vista on boot could go as low as 800mb without cached memory but in vista, it didn't separte cached memory, so free and usable are two different things so it really was 1.1gb-

on a 1g system vista used 700mb it showed 23-100mb free becauase 200mb were cached.

now windows 7 reports free 300mb, out 1gb but really it's using almost all, with the cached memory.

still is  outrageous amount of memory, linux and mac do everything and all the fancy animations, and instant searched with spotlight and beagle, and they use 400mb at most on boot.

Well i'm no expert... but something is definately running better for W7 than Vista when I can get 3+ hours battery life on the same laptop as my friend running Vista who gets an hour tops.

I have the resource monitor open now:
Hardware reserved: 40MB
In Use: 1188MB
Modified: 89MB (what's modified?)
Standby: 911MB
Free: 1868MB

And according to the list above, Firefox is using ~130MB (I think the "Working Set" is the right number to look at yes?) And the perfomance monitor is using ~26MB

Edit- The Standby + Modified seem to equate to Cached memory... when I quit Firefox the "In Use" decreases to about 1060MB, but the cached went up slightly (by about 15-20MB) I presume this is because it is caching stuff in case I re-open Firefox again before I shut down (or within some period of time) At least that is my guess on what cached memory is.