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

 
Vivoactive HR
Vivosmart
ZenWatch
Charge HR
T-Rex
 GarminVivoactive HRRemove Buy NowGarminVivosmartRemove Buy NowAsusZenWatchRemove Buy NowFitbitCharge HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$170$150$150$140
Release20162014201420152019

Activity & Fitness

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

Battery

Duration13 hours to 8 days7 daysNA5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/an/aNA
Windowsn/an/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution148 x 205128 x 16320 x 320NA360 x 360
Size1.38 inches1.41 inches1.63 inchesNA1.3 inches
TouchNA
Typen/aOLEDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP551 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid WearNABuild-in
Apps
Music

All Wearables