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Thread: Windows7 32bit and 4GB memory




  1. #1
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    Default Windows7 32bit and 4GB memory

    -----UPDATE----- I decided to toss a Windows 64bit 7000 candidate in my computer and show some memory numbers on it. Although it shows a little more MB residing in the virtal memory, it defenently doesn't perform any better. Am I going to install more memory any time in the near future? Well on the 64bit system I will most definitely, because it takes more to perform equally to a 32bit system. This is something I need to ask myself before I decide to install Windows 7 as 32bit or 64bit.

    By artdrivers at 2009-07-01

    By artdrivers at 2009-07-01

    The same desktop mutiboot
    WindowsXP 32bit does'nt support the full 4GB of memory. Windows XP shows Total Physical memory here.

    By artdrivers at 2009-06-22

    You may see a difference between WindowsXP and Windows 7.
    The page file system, the total virtual memory and the available virtual memory are also different.

    By artdrivers at 2009-06-22

    Windows7 32bit supports the full 4GB of memory.

    By artdrivers at 2009-06-22

    The total physical memory can be looked at in system information on Windows7 32bit. It is still 3.25GB

    By artdrivers at 2009-06-22
    Last edited by artdrivers; 07-02-2009 at 04:36 AM.
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  2. #2
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    Default Re: Windows7 32bit and 4GB memory

    If you want your O/S to have full access to 4GB, or more, memory, then make sure to use a 64bit O/S

    A 32bit O/S has a 4Gb address limit. However some of that address range has to be used for mapping in other computer hardware devices (eg. vga card), which can mean that a 32bit O/S is typically left with a "usable working space" in the range 3-3.5Gb ?

    The different 32bit O/S's of your particular computer hardware configuration just happens to be left with 3.25Gb usable space!

    :)
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  3. #3
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    Default Re: Windows7 32bit and 4GB memory

    The different 32bit O/S's of your particular computer hardware configuration just happens to be left with 3.25Gb usable space!

    :)


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    Last edited by artdrivers; 07-02-2009 at 06:14 AM.
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  4. #4
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    Default Re: Windows7 32bit and 4GB memory

    Yeah I was waiting for someone to bring this up. It Basically just telling you what is installed. So its not lying. But still can only address ~3gb or ram. Infact, Windows Vista also Displays 4GB or ram in 32bit but only after Service Pack 1. Before Vista only showed 3.25GB also.
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  5. #5
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    Default Re: Windows7 32bit and 4GB memory

    bump first page
    http://forums.tweaktown.com/gigabyte...ench-test.html
    http://www.gigabyte-usa.com/FileList...ios_qflash.pdf
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  6. #6
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    Default Re: Windows7 32bit and 4GB memory

    You won't experience much difference between having 3.25GB in a 32 bit OS and 4GB in a 64 bit OS. There aren't that many programs that use so much RAM. Even games don't see any benefit after 2.5-3GB. Also 32bit binaries can't use all 4GB of RAM regardless of your OS, so such a large amount of RAM for running mainly 32bit programs isn't necessarily required. Having multiple programs running or photo/video/audio editing and virtualization using 64 bit applications will make use of more RAM and you'll see an increase in performance, even from an extra 750MB.

    Windows Vista has reported physically installed RAM rather than addressable RAM in the properties page since SP1. Whether it's lying or not depends how you look at it. If it's displaying the addressable 3.25GB, then OK, but that's not really how much RAM's in the PC. No such thing as 1.25GB DIMMS, so really 3.25GB is inacurate as a total amount of RAM installed. The way MS should have done it was to state the total installed RAM and the total usable RAM underneath, though this may have confused many regular PC users.

    IMO if a person knows enough to realise that a 32bit OS can't address more than 4GB RAM including GFX etc, then having windows state 4GB isn't an issue because they know it's less.

    The only reason to have a 32bit OS is if you have software that really won't run on a 64bit OS, or don't have a PC with a 64 bit CPU. Other than that, 32bit is as old and tired as the x86 architecture itself. Hopefully the next stage will be an introduction of different architectures, bringing more efficiency and innovation. People mocked Nvidia for moving into the CPU market stating they didn't have an x86 license, but good luck to them I say. A 64 bit optimised architecture designed from the ground up sounds really exciting to me.
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