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Next year.

Seriously.

I think our only hope that RX480 and RX470 gets fully utilized by MacOS is if the upcoming iMacs, or Mac Pro will carry those cards with the same number of CU's.

A shorter term guess, is if AMD releases the supposed RX465 with 16 CU's that the Radeon Pro 460 also has, which will make it slightly faster than the current RX460, which only has 14 CU's....
 
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