They're the same, just ecosystems. I "grew up" on vim, and I've used nvim in recent times, and there's no substantial difference imo. Mainly it's how they get setup, not how they get used.
Emacs, on the other hand...
Just kidding, I would never use that foul operating system.
Emacs, on the other hand...
Just kidding, I would never use that foul operating system.