Currently, this is not possible.
There is however a work-around:
use the Mac platform as Min Spec
use the Windows platform as Max Spec
Both are binary compatible, except for AAC codec, which is only available on mac.
You can also change the sample rate from 48kHz to 24kHz at initialization of sound engine. You will save 50% CPU on effect processing and mixing. This will however break the Convolution Reverb IR, which are converted for 48kHz.
Also, see this question/answer: