Garmin Fenix 8 v2
Samsung Galaxy 45 v3

Device Details

Activity Features

Activity Tracking: Monitors steps, calories, distance, heart rate, sleep tracking, blood oxygen, stress tracking, GPS, energy levels, hydration and women’s health. Tracks running, cycling, swimming, yoga, and more. Also has sports apps for workouts modes and guided exercises.
Performance metrics: Provides VO2 max, training effect, and recovery time.
Maps: Preloaded topographical maps for navigation.
Water resistant: Yes

Activity Tracking: Steps, heart rate, active minutes, workout modes, sleep, body composition, calories tracking, stress, GPS
Notifications: Displays notifications from your phone.
Water resistant: Yes

Age

13+ years or 22+ years for ECG app (only available in some regions)

N/A

Battery

Up to 10 days

Up to 40 hours (Galaxy 4)

Up to 80 hours (Galaxy 5)

Brand

Garmin

Samsung

Continuous Glucose Monitoring (CGM) Compatible

Dexcom (G6 or G7)
Freestyle Libre 

Dexcom (G6 and G7)

FSA/HSA Eligible

Possibly with Letter of Medical Necessity (LMN)

Possibly with Letter of Medical Necessity (LMN)

Model

Fenix 8

Galaxy 4/5

Phone

Yes

Yes

Price (USD)

From $1,000.00

From $199.99