Garmin vivoactive 5 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. Libre smart push notifications where the glucose reading mirrors the smartphone device
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

N/A

Battery

Up to 11 days of battery life

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

vivoactive 5

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

Phone

Yes

Yes

Price (USD)

$299.99

$169-$749