Garmin Vivosmart HR vs. Asus ZenWatch vs. Fitbit Charge 3 vs. Garmin Vivosmart 4 vs. Amazfit T-Rex

 
Vivosmart HR
ZenWatch
Charge 3
Vivosmart 4
T-Rex
 GarminVivosmart HRRemove Buy NowAsusZenWatchRemove Buy NowFitbitCharge 3Remove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$170$150$150$130$140
Release20152014201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA7 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNANot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution160 x 68320 x 32066 x 1848 x 128360 x 360
Size1.08 inches1.63 inches.721 inches0.74 inches1.3 inches
Touch
Typen/aAMOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP555 ATM5 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearNABuild-in
Apps
Music

All Wearables