Garmin's new flagship Fenix 9 epitomizes the premium rugged smartwatch - but how much of an upgrade is it from the Fenix 8?

The Fenix 8 is built for extreme, data-driven athletes and adventurers.

The Garmin Fenix 9 doesn't bring massive changes to one of Garmin's most-loved lines, but it does provide a whole heap of options. Here's the lowdown to avoid confusion.

The base Fenix 9 starts at $999.99.