The last minute and a half is apex crescendo.
2023 we are now in the 3nm architecture, and this is only what the Public has access to.
https://en.wikipedia.org/wiki/3_nm_process
Apparently the process architecture has nothing to do with physical size of anything…
But anyways microchips are still made in the nm range, smallest one is 2nm.
https://www.popularmechanics.com/science/health/a36503099/worlds-smallest-implantable-chip/