Fenix 6 vs fenix 6x pro July 8, 2019 16 32 64 128 Fenix 6 sapphire vs fenix 6x pro Fenix 6 pro solar vs fenix 6x pro solar Garmin fenix 6 pro solar vs 6x pro Garmin fenix 6 pro vs fenix 6x sapphire Fenix 6 pro solar vs fenix 6x sapphire