How do I know - 32 Bit OR 64 Bit

By robertq
Jul 25, 2006
  1. How do I find out if my PC is a 32 bit or 64 bit ?

    I want to get windows vista & need to know which version of vista my pc will handle.

    I would like to get the Ultimate Edition.
    My 2 PCs have following configuration ;

    (1) Dell dimension 8300

    P4 2.6 GHz ( HT )

    Intel 875 P Mother Board

    512 MB DDR

    250 GB SATA HDD

    Win XP Pro SP2


    (2) Dell Optiplex GX 620

    P Dual Core 3.0 GHz

    Intel 945 G Mother Board

    2 GB DDR2

    2X250 GB HDD

    Dual Monitor Card

    Win XP Pro SP2

  2. Didou

    Didou Bowtie extraordinair! Posts: 4,274

    Download CPU-z & see if it says that your CPU has the x86-64/AMD64/EMT64 instruction set.
  3. altheman

    altheman TS Rookie Posts: 425

    Unless you ordered or installed x64, then your pc is most likely 32bit. Also check under System Properties.
  4. Didou

    Didou Bowtie extraordinair! Posts: 4,274

    I think he's asking if his computer would handle a 32-bit or 64-bit version of the upcoming Vista. CPU-z is the easiest way to find out what your CPU supports.
  5. F1N3ST

    F1N3ST TS Rookie Posts: 596

    1-32 Bit
    2-64 bit

    1) Dosnt say dual core
    2) Is dual core, which means 64bit.
  6. Coolmatt

    Coolmatt TS Rookie Posts: 66

    The second one is definitely x64 (64-bit) because of the dual-core. The first one, however, is a Pentium 4 and I highly doubt P4's are 64-bit.

    EDIT: If you want to see if any of those computers can run a certain Windows Vista version, use this:

    If one of those computers has built-in graphic chipsets, you may not be able to run the Aero desktop display with Windows Vista. Just run the check and you'll see what your computer can handle.
  7. kitty500cat

    kitty500cat TS Evangelist Posts: 2,154   +6

    I think some P4s are 64-bit and some aren't. Download CPU-Z and check if it says x86-64/AMD64/EMT64 or whatever; or figure out the model of your cpu and check Intel's website.
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