Vega 64 air, clay 9.8, new 17.8.2

Downvolted with wattman: core and mem to 1000.

Below 1000mv I drop to mem clock 800, and struggle to get above.

I can not get gpu clock stable at 1560, I set using claymore initially then  wattman shows 1490-1510 with 800.  I use wattman to increase and it goes up for a second, maybe bring mem clock to 1100

I don't like wattman, it (something) only allows me to try to increase gpu clock by a %, not an actual number.  When I do increase, it jumps right back down to its previous value.

If I get stable at 1510/1100 then 35.6/1.6 gh