Is note 5 for me if im iPhone user? I only like smoother ui..should I buy?

I'm interested to buy note 5, but as a long time iPhone user, I only like to use smooth interface, I just hate lag,
Is Android is still laggy? Is Android phone like note 5 software runs on stable 60 fps?
Please guide me,
Also I apologize if I posted in wrong section..
Thanks in advance