Virtual Disk requires twice as much CPU?

What do you use Parallels with on your Mac?

  • Only with my Boot Camp partition

    Votes: 2 50.0%
  • Only with virtual disks

    Votes: 2 50.0%
  • I use both options

    Votes: 0 0.0%
  • Not using Parallels (yet)

    Votes: 0 0.0%

  • Total voters
    4
  • Poll closed .

blackmac

Junior Member
I had decided to convert my BootCamp VM to a Virtual disk VM because it is easier to handle and it turned out that I never really needed Bootcamp natively. So I converted the install using Transporter to virtual disk. Except for the disk type, the configurations of the VMs are identical.

But how disappointed was I when I discovered that Paralles now eats up twice as much CPU when Windows is idle!

I am using Parallels on a MacBook w/ 2 GHz C2D. The Bootcamp machine ususally uses 20-30 % CPU, while the Virtual disk variant eats 40-55 % CPU.

Can this be true or may a misconfiguration be the problem?
 
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