Withings ScanWatch 2 copy v2
Garmin Fenix 8 v2

Device Details

Activity Features

Activity Tracking: Steps, heart rate, calories, sleep, fitness modes. Provides health data and trends through the Withings app.
ECG Functionality: Measures electrocardiograms to assess heart health.
Water resistant: Yes

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

Age

N/A

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

Battery

Up to 30 days

Up to 10 days

Brand

Withings

Garmin

Continuous Glucose Monitoring (CGM) Compatible

No

Dexcom (G6 or G7)
Freestyle Libre 

FSA/HSA Eligible

Yes

Possibly with Letter of Medical Necessity (LMN)

Model

ScanWatch 2

Fenix 8

Phone

Yes

Yes

Price (USD)

$349.95

From $1,000.00