The Samsung Galaxy S22 Ultra's S Pen is apparently more than three times faster than the input device for the Galaxy Note20 Ultra. On top of that highlight, future S22 Ultra owners can expect 12-bit HDR support and there are further reminders of a 108 MP main camera and 45 W wired fast-charging support.
https://www.notebookcheck.net/Samsung-Galaxy-S22-Ultra-S-Pen-stylus-delivers-3x-the-speed-of-the-Galaxy-Note20-Ultra-s-variant.591502.0.html