Garmin Fenix 3 vs. Apple Watch Series 2 vs. Garmin 645 Music vs. Fitbit Alta HR vs. Fitbit Charge

 
Fenix 3
Watch Series 2
645 Music
Alta HR
Charge
 GarminFenix 3Remove Buy NowAppleWatch Series 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$500$269$450$150$130
Release20152016201820172014

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks18 hours7 days7 days7-10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218340 x 272 or 390 x 312240 x 240128 x 36NA
Size1.2 inches1.5 inches or 1.65 inches1.2 inches1.4 inchesNA
TouchNA
TypeChroma LEDAMOLEDMIPOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM5ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSNA
Apps
Music

All Wearables