You're using a PPT meant for a Vega 64.  1100MHz mem is too high (essentially invalid) for a stock 56, as it has much tighter timings.  Obviously it doesn't matter after you update your clocks w/ ODNT, but you should probably get a valid PPT.

Also, your ODNT settings are broken as well - your GPU_P7 voltage should be >= P6.  With these settings, if you're lucky, you're just running at 905mv, but in the past, I've seen all kinds of strangeness w/ out-of-order clocks/voltages.  If you really want to run @ 850mv, you need to reduce P6, as well as Mem_P3 to <= 850.  OTOH, if you want to run at 905, you just need to set P7 to 905.

EDIT: One last thing, you're setting your throttling temp to 70, but your target temp to 75 - this doesn't make sense.  Also, unless your fans/temps are set for noise reasons, 70/75 is quite hot, while your fan_max is actually what most people consider the minimum for mining on a ref.  I would set your fan_max to at least 3500-4000 (again, unless noise is a concern,) and fan_target somewhere closer to 55-60 (even 50 if you can handle the noise.)