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Why install so much RAM on X86?

Discussion in 'Off Topic' started by Pieter Theron, Aug 11, 2011.

  1. Pieter Theron

    Pieter Theron
    Premium Member

    I've been trying to understand why some people buy/install so much RAM in their X86 (XP & 7) pc's? Given that those two X86 operating systems only supports 4Gb. It is obviously more when you have the X64 versions which many just don't have. So what did I miss?
  2. It only displays 4Gb, yes Windows might only be able to use 4Gb, but there are many other applications within windows than can use more, such as adobe photoshop CS5
  3. Chris Butcher

    Chris Butcher
    Red Bull Gridsters 2012 Champion

    Yes, but doesn't the operating system allocate that memory. It won't address any more than 4GB, so isn't the rest unusable anyway?
  4. No, a 32bit system as a whole can physically access no more than 4GB of memory.
  5. Pieter Theron

    Pieter Theron
    Premium Member

    I am also under the impression that the memory can only be allocated if the OS allows for it. In that case if you have X64 OS then something like PS will add/manage the additional RAM.

  6. Windows does yes. But thats only for software. Hardware needs memory too, and at the end of the day, what the CPU says, goes.
  7. I have been working with PC's for quite some time and I can tell you from a professional standpoint that the x86 systems are not capable of addressing more than 4gig total memory, and that includes the video ram. If your system has a 1gig graphics card, then the available system ram is cut to 3gig. The more graphics memory you have, the less system ram you can use.

    If you are planning on installing over 4gig total ram, then the only option is an x64 system otherwise you are wasting money.
  8. Chris Butcher

    Chris Butcher
    Red Bull Gridsters 2012 Champion

    The processor doesn't allocate memory. It simply processes instructions.
  9. Because many people don't know what they're doing, and some PC manufacturers realize this and throw in more RAM so the specs sound better!
  10. well, you can use as a ramdrive.
  11. X86 you can only use 3.5GB or should I say the OS will only recognise 3.5GB but in an X64 You can use what ever the OS allows example

    • Vista Basic 64-bit: 8 GB
    • Vista Home Premium 64-bit: 16 GB
    • Vista Business/Enterprise/Ultimate 64-bit: 128+ GB
    I use 8GB because I need that much or more for my video editing some people will need it for encryption decryption etc etc photo editing etc etc I use PhotoShop large images require large Ram etc etc...

    Gaming since 1982