ASUS ZenWatch 2 vs. Fitbit Charge HR vs. Garmin Vivosmart HR Plus vs. Garmin Vivosmart 4 vs. Amazfit T-Rex

 
ZenWatch 2
Charge HR
Vivosmart HR Plus
Vivosmart 4
T-Rex
 ASUSZenWatch 2Remove Buy NowFitbitCharge HRRemove Buy NowGarminVivosmart HR PlusRemove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$150$179$130$140
Release20162015201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days5 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320NA160 x 6848 x 128360 x 360
Size1.63 inches or 1.45 inchNA0.5 inches x 0.8 inches0.74 inches1.3 inches
TouchNA
TypeAMOLEDOLEDLCDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP671 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearNANABuild-in
Apps
Music

All Wearables