Garmin Fenix 3 vs. Garmin Vivoactive HR vs. Garmin 645 Music vs. Fitbit Alta HR vs. Garmin Vivosmart 3

 
Fenix 3
Vivoactive HR
645 Music
Alta HR
Vivosmart 3
 GarminFenix 3Remove Buy NowGarminVivoactive HRRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart 3Remove Buy Now

Basic Info

Suggested Price$500$250$450$150$139.99
Release20152016201820172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration50 hours to 6 weeks13 hours to 8 days7 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218148 x 205240 x 240128 x 3664 x 128
Size1.2 inches1.38 inches1.2 inches1.4 inchesNA
Touch
TypeChroma LEDn/aMIPOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/a
Apps
Music

All Wearables