There is no such claim, though. Apple has published the power figures for some of their systems, and nowhere it says that they draw or dissipate 15W [0] [0] h

There is no such claim, though. Apple has published the power figures for some of their systems, and nowhere it says that they draw or dissipate 15W [0] [0] https://support.apple.com/en-us/HT201897 https://support.apple.com/en-us/HT201897