The hill splitter, which determines a separate pace on routes with inclines and declines, has been taken over by the successor of the Vantage V from the Grit-X. In addition, Polar adds further smartwatch functions with remote control for the smartphone player.
https://www.notebookcheck.net/Polar-Vantage-V2-in-review-Great-sports-watch-with-useful-smartwatch-functions.542338.0.html