ASUS ZenWatch 3 vs. Apple Watch vs. Fitbit Charge HR vs. Garmin Vivosmart 4 vs. Amazfit T-Rex

 
ZenWatch 3
Watch
Charge HR
Vivosmart 4
T-Rex
 ASUSZenWatch 3Remove Buy NowAppleWatchRemove Buy NowFitbitCharge HRRemove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$229$349$150$130$140
Release20172015201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours18 hours5 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400340 x 272 or 390 x 312NA48 x 128360 x 360
Size1.39 inches1.5 inches or 1.65 inchesNA0.74 inches1.3 inches
TouchNA
TypeAMOLEDAMOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX71 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2Watch OSNABuild-in
Apps
Music

All Wearables