In Virtual Box does it 32bit/64bit matter?

By Jskid
May 3, 2011
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  1. I'm planning installing Windows XP on a Mac running virtual box and was wondering if it makes a difference between 32 bit and 64 bit edition? If both can run fine I guess I'd go with 64 bit since it's faster.
  2. Leeky

    Leeky TS Evangelist Posts: 4,378   +99

    Whether or not you can run 64bit guests depends on whether you're CPU has the VT-x extension flag on the CPU.

    If it doesn't, you will be unable to run 64bit guests, regardless of whether the host (e.g. OS X) is 64bit or not.

    I would recommend you stick to 32 bit, you really don't need the extra performance, nor will you see it when running an OS virtually as a guest within a host OS.

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