This looks mighty inspiring, maybe ill switch back to smOS, undervolting was the one thing keeping me away

Would you care to share your clocks/volts too? Also by offset, you mean a hardcoded bios offset, right?
All GPU's are different and such results are not guaranteed. Most of my rigs are running at around 800 watts.
By offset yes I mean modifying bios and manually adding and offset (for some fee I can do that for interested parties).
Here are my settings for this one particular rig
