How many CPU cores for windows 7 64-bit in parallel?

Discussion in 'MacBook Pro' started by Rookies1000, Mar 21, 2011.

  1. Rookies1000 macrumors newbie

    Mar 2, 2011
    I have the 15" mbp 2.2Ghz early 2011 8GB ram and I am wondering how many CPU cores I should assign to the virtual machine running windows 7 64-bit in parallel?
    My mbp has 8 cores, I assigned 4GB ram and I was going to assign 4 cores to windows but now after reading a little bit, I am in doubt again as many people say you don't need more than 2 CPU cores for virtual machine.
    Please advise
    Thank you
  2. DustinT macrumors 68000


    Feb 26, 2011
    It really depends on what Windows apps you plan to run. I only assigned 2 cores because my Windows use is minimal.
  3. alust2013 macrumors 601


    Feb 6, 2010
    On the fence
  4. keantan macrumors regular

    Nov 6, 2008
    Penang, Malaysia
    I generally assign a maximum of half the number of cores in the computer. So in your case max 4? And as for RAM, Just be careful assigning 4GB. If your like me and run LOADS of applications in the background it can max out your ram pretty quick. I generally assign 2GB for the virtual machine with a system total of 8GB

    As was said before. this does differ with application.

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