As far as I know, it does that already when you clone it.
> How do I do that ?
To find out wether
VM A - config-file: /some-dir/VM_A.vmx
VM B - config-file: /some-other-dir/VM_B.vmx
are using the same parameters you compare VM_A.vmx and VM_B.vmx.
If you are not satisfied with the results of your comparison - use a texteditor and edit VM_B.vmx until you are satisfied.