Same here. Although for some projects lately that needed quick a bit of docker infra running, I found battery life dropping to 7-9 hours for the m1 and then my x220 (which doesn’t notice docker much unlike the m1) performs better with it’s 11+ hours.
I have to ask, how are you getting 11+ hours with an x220?
Aside from the screen, battery life and difficulties finding quality battery replacements are among the main reasons why switched to an M1 from an x220.
