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Discussion in 'macOS' started by dissdnt, Aug 31, 2009.
Now we have Leopard, should we use Win7 64-Bit instead of 32bit version in Parallels and Bootcamp?
I'm guessing you mean "now that we have snow leopard" should we run win 64 bit?
You could run 64 bit Windows 7 even on regular Leopard under Fusion/Bootcamp. I've been doing it for months.
Why not use both, if you need to?
I'd say if you have 3 GB RAM or less, run 32 bit. 4 GB RAM and up, run 64 bit.
If you have a number in between 3 and 4, you're probably running 4 but your OS doesn't support it all.
Sounds good. Thanks.
Yup. I just upgraded to SL. I'm installing Win 7 Pro 64 bit (final version) now.
The overall performance of the VM's will be slightly worse with 64-bit versions of Windows, at least according to Mactech. There's no compelling reason to switch your VM's over unless you need to allocate over 4GB of RAM to a virtual machine. Snow Leopard alone doesn't change anything with respect to 32-bit or 64-bit virtual machines, at least at this point in time.
As far as Boot Camp is concerned, I would install a 64-bit version of Windows there since compatibility is good and there are theoretical performance gains, however slight. If you already have Windows installed I see no compelling reason to reinstall a new version just to change to 64-bit.
So your saying if your using windows for both bootcamp and parallels stick with 32bit because then you'll have to install both versions and that will be a waste.
Another question I had is in Windows will you be able to select which graphic card your using?
If you already have a working 32-bit installation I wouldn't bother switching unless you are using 64-bit applications with known improvements under 64-bit versions of Windows. With that said, if you decide to upgrade to Windows 7 I would install a 64-bit copy right off-the-bat.
Under Windows you will be forced to use the 9600M GT. The 9400M is not available for use.