Intrestingly the tiny Cortex M0+ is has about 4x the coremark per MHz of 386 (and twice 486).
See https://www.eembc.org/coremark/scores.php and https://en.wikichip.org/wiki/coremark-mhz
I think I'd maxed my 386 server out with 8MB of RAM.
That chip is the stuff of a madman's dreams in 1996.
Intrestingly the tiny Cortex M0+ is has about 4x the coremark per MHz of 386 (and twice 486).
See https://www.eembc.org/coremark/scores.php and https://en.wikichip.org/wiki/coremark-mhz