Garmin Vivoactive HR vs. Garmin 645 Music vs. Fitbit Charge HR vs. Garmin Vivosmart 3 vs. Apple SE

 
Vivoactive HR
645 Music
Charge HR
Vivosmart 3
SE
 GarminVivoactive HRRemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy NowGarminVivosmart 3Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$250$450$150$139.99$279
Release20162018201520172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days7 days5 days5 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution148 x 205240 x 240NA64 x 128384 x 480
Size1.38 inches1.2 inchesNANA40mm
TouchNA
Typen/aMIPOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance5 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWatchOS 5
Apps
Music

All Wearables