Samsung really blew it with the Galaxy Note 7 that is currently its flagship. Things I have experience with my Note 7’s (Yes plural):
Consistent Keyboard Lag
Dropped frame-rates across the UI
App opening delays
Scrolling lag….Very bad scrolling lag, especially with Hangouts
Browsing lag and stutter
UI Jumpiness, so bad to the point I’m clicking on an app on a home screen I didn’t even change to yet (if that makes sense). Not a specific measure, but my Nexus 6P rarely ever has any of the problems listed above and overall performance obliterates the Note 7.