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

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

Basic Info

Suggested Price$500$269$199$450$150
Release20152016201820182017

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks18 hours5 days7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218340 x 272 or 390 x 312320 x 300240 x 240128 x 36
Size1.2 inches1.5 inches or 1.65 inches1.34 inches1.2 inches1.4 inches
Touch
TypeChroma LEDAMOLEDOLEDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM5ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSProprietary
Apps
Music

All Wearables