Has anyone spent significant time in both? How many milli-emacs of functionality does Sublime have? Emacs is over 35 years old (starting from the ITS version)

Has anyone spent significant time in both? How many milli-emacs of functionality does Sublime have? Emacs is over 35 years old (starting from the ITS version), so it's due to be replaced. But it's also really really entrenched.