[Question] about usable memory

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simisterkel

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Nov 26, 2012
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I have a 4gb RAM and my computer shows that its usable memory is 2.5gb.
is this normal? or something is wrong? how can I fix this.

system model: MS-7309
BIOS: default system BIOS
processor: AMD Athlon(tm) II X2 250 Processor 3.ghz
memory: 4096 RAM
Direct X: Direct X11
graphics: radeon r7 240
 
Solution
jimmysmitty
There is your issue. The way it works is that 32bit can allocate up to 4GB of total RAM, including system and VRAM. You have a GPU with 2GB of VRAM (from what I find online) which means that the OS has to allocate that as well so while you have 4GB of system memory, only 2.5GB is useable and the rest is allocated to the VRAM.

When you move to 64bit it will allow you to use all 4GB of system RAM and whatever you have in your GPU without any limits (64bit has a limit of about 16 million TeraBytes and 1TB is 1024GB).
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simisterkel

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Nov 26, 2012
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10,510


im using win7 pro 32 bit atm and planning on changing to 64 bit
 
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jimmysmitty

jimmysmitty

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Oct 5, 2007
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There is your issue. The way it works is that 32bit can allocate up to 4GB of total RAM, including system and VRAM. You have a GPU with 2GB of VRAM (from what I find online) which means that the OS has to allocate that as well so while you have 4GB of system memory, only 2.5GB is useable and the rest is allocated to the VRAM.

When you move to 64bit it will allow you to use all 4GB of system RAM and whatever you have in your GPU without any limits (64bit has a limit of about 16 million TeraBytes and 1TB is 1024GB).
 
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Solution
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simisterkel

Honorable
Nov 26, 2012
19
0
10,510


thanks sir. I will move to 64 bit then =)
 
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