Garmin Fenix 3 vs. ASUS ZenWatch 3 vs. Fitbit Charge 3 vs. Garmin Vivosmart HR Plus vs. Amazfit T-Rex

 
Fenix 3
ZenWatch 3
Charge 3
Vivosmart HR Plus
T-Rex
 GarminFenix 3Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitCharge 3Remove Buy NowGarminVivosmart HR PlusRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$500$229$150$179$140
Release20152017201820172019

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks48 hours7 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution218 x 218400 x 40066 x 18160 x 68360 x 360
Size1.2 inches1.39 inches.721 inches0.5 inches x 0.8 inches1.3 inches
Touch
TypeChroma LEDAMOLEDOLEDLCDAMOLED

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/aAndroid Wear 2NANABuild-in
Apps
Music

All Wearables