Garmin Fenix 8 v2
Apple Watch 2 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: Monitors steps, calories, distance, heart rate, sleep, GPS, blood oxygen, fall detection. Supports a variety of workouts like running, cycling, yoga and swimming.
Temperature Sensor: Added on Series 8 and 9
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 18 hours

Brand

Garmin

Apple

Continuous Glucose Monitoring (CGM) Compatible

Dexcom (G6 or G7)
Freestyle Libre 

Dexcom (G6 or G7)
Freestyle Libre 2 and 3

FSA/HSA Eligible

Possibly with Letter of Medical Necessity (LMN)

No

Model

Fenix 8

Series 6/7/8/9/10/SE (2nd Generation)

Phone

Yes

Yes

Price (USD)

From $1,000.00

$169-$749