Garmin Vivoactive HR vs. ASUS ZenWatch 3 vs. Garmin Chronos vs. Fitbit Charge 3 vs. Amazfit T-Rex

 
Vivoactive HR
ZenWatch 3
Chronos
Charge 3
T-Rex
 GarminVivoactive HRRemove Buy NowASUSZenWatch 3Remove Buy NowGarminChronosRemove Buy NowFitbitCharge 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$229$1500$150$140
Release20162017201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days48 hours8 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/aNot yet

Connectivity

BluetoothYes
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution148 x 205400 x 400218 x 21866 x 18360 x 360
Size1.38 inches1.39 inches1.2 inches.721 inches1.3 inches
Touch
Typen/aAMOLEDMIPOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Wear OSNABuild-in
Apps
Music

All Wearables