The iPhone 12 mini is larger in height and width, which is what matters most for one-handed use.
Exactly. As well, the screen is a much larger percentage of the body which is also important for one-handed use.
The new SE is bigger than the 12 mini, I just switched from a 2016 SE to a 12 mini and have been happy.
Funny, I’ve exchanged the 12 mini for the 2020 SE because the overall screen size fits my thumb better and it was cheaper. They should have made the overall size of the mini the same size as the SE’s screen.
It is wild just how quickly I got used to the SE's "antiquated" 16:9 screen and button based navigation when I switched to one from my previous edge-to-edge S10e. Turns out, an all-screen display wasn't as much of an upgrade as it's made out to be.