Seems about the equivalent to some of the exsisting hardware, so should be marginally better.
“The MI6 is based off the Polaris 10 architecture, and is capable of up to 6 (5.7) TFLOPS of performance in a sub-150W passively cooled form factor—basically, this is an RX 480 without a fan and with slightly tweaked clocks and perhaps a few other items.”