I have 13PM and S23+ , imho 13pm is smoother in comparison. S23+ has faster animations that´s way there´s an illusion that it feels faster than ios.

With S23+ scrolling a webpage often stutters, like its loading something -ios sails smoothly + swiping webpage to the side is way smoother in ios and the swiped page is visible in transition, in S23 it just "plops" to previous page. (maybe browser issue)

Also the general "responsiveness" is better in ios...imho, your experience may differ.