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Buying more RAM for BF3 - Page 9

post #81 of 93
To OP: yeah you definitely should upgrade from 2gb to 4gb. Will make a nice difference.

Personally I bought 16gb because I felt like it. And new memory is always fun to play with, especially on P55.
 
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post #82 of 93
Quote:
Originally Posted by Coma View Post
A 32-bit process still only has a 4GB address space, so once it exhausts that without freeing any memory, there won't be any more virtual addresses for the OS to give it, and allocation will fail. Then there's the part of the address space which is reserved for the kernel.
32-bit process in a 64-bit OS can explicitly write to memory outside the first 4GB of addresses. It is not recommended to do this generally though.
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post #83 of 93
Fact remains for bf3 to run optimal you need more ram
just suck it up.
No new gamingPC`s are sold with less than 8gb ram.

Recommended

• OS: Windows 7 (64-bit) • Processor: Quad Core • RAM: 4 GB • Graphic: DirectX 11 1 GB RAM (Geforce GTX 560 / Radeon 6950)
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post #84 of 93
I have 4gb of ram and I'm able to run everything on ultra BUT..... i do turn of all the extra processes that i have running in the background(Steam,any extra open tabs in the browser, firewall, backup hd software etc).
Memory usage is usually around 85 to 90% in game.

So two things:
1) Yes 4gb is enough to run bf 3 on ultra

2) If you are tired of turning of background processes that you do need or use all the time before you go play the game, then Yes do buy more than 4gb of ram for smoother running or usage of your PC.
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post #85 of 93
I have done a little bit of looking at my RAM usage while playing the game and found out a few little tid bit's nobody seems to mention. Then I kicked myself for not thinking of it before this flame war of a thread was started. The BF3.exe your looking at in your memory usage only accounts for part of the RAM needed to play the game. There is also the RAM used for PunkBuster, and the RAM for Origin, Not to mention the RAM needed for what ever browser you use. Then what ever sub process that may or may not be opened. Then there is the RAM that windows needs to keep its self going.

Also, some people use windows areo mode, which will cause higher RAM usage regardless of what the game is. Also, there were rumors of of Origin having a memory leak. I did some google searching about the Origin memory leak and could not find anything definitive about it. But there you have it, BF3.exe may only be using up to 2 gigs of RAM, but there are many many process that BF3 requires you to have running in the background which puts justification in having more than 4 gigs of RAM, to avoid relying on the page.file.
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post #86 of 93
Thread Starter 
Got the RAM since yesterday. Played a little while still on 32-bit (with 3.25 GB RAM) - already a noticeable difference. Just finished installing 64-bit, gonna try BF3 tomorrow.
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post #87 of 93
i have 3gb and i run low fine, i only have issues on running higher because i dont have enough VRAM
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post #88 of 93
Memory 8GB Dual Channel DDR3 at 1866MHz ..ram check biggrin.gif
Video Card 4GB GDDR5 AMD Radeon HD 6990 ..graph card check tongue.gif
CPU Intel Core i7-2600K @ 4.1GHz ..cpu check :O

8gigs of ram goooooooooood biggrin.gif

ps also
high q ram for games is better vs alot of ram since most games cant even use 16gigs of ram or 12 =/
Edited by MDK999 - 12/1/11 at 12:33am
post #89 of 93
4GB and no issues. Running on Medium settings with fps dipping no lower than 45-50.
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post #90 of 93
Quote:
Originally Posted by DuckieHo View Post

A 32-bit application can use more than 2/3GB if there is explicit mapping or a memory leak.

If it is not LAA then it will fail when allocating memory beyond 2 GB. If there is memory leaks, it will just reach this limit sooner, it will not go past it.
Quote:
Originally Posted by DuckieHo View Post

32-bit process in a 64-bit OS can explicitly write to memory outside the first 4GB of addresses. It is not recommended to do this generally though.
It can do that also on 32bit Windows. It is called AWE. It is not used very much.
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