> I have an M1 Max, a few revisions old, and the only thing I can do to spin up the fans is run local LLMs or play Minecraft with the kids on a giant ultra wide monitor at full frame rate. Giant Rust builds and similar will barely turn on the fan. Normal stuff like browsing and using apps doesn’t even get it warm.

This anecdote perfectly describes my few generation old Intel laptop too. The fans turn on maybe once a month. I dont think its as power efficient as an M-series Apple CPU, but total system power is definitely under 10W during normal usage (including screen, wifi, etc).