ASUS ZenWatch 2 vs. Garmin Vivoactive HR vs. Casio WSD-F20A vs. Fitbit Charge 3 vs. Amazfit T-Rex

 
ZenWatch 2
Vivoactive HR
WSD-F20A
Charge 3
T-Rex
 ASUSZenWatch 2Remove Buy NowGarminVivoactive HRRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitCharge 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$250$399$150$140
Release20162016201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a13 hours to 8 days1 day7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/an/a
Windowsn/an/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution320 x 320148 x 205320 x 32066 x 18360 x 360
Size1.63 inches or 1.45 inch1.38 inches1.32 inches.721 inches1.3 inches
Touch
TypeAMOLEDn/aLCDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aWear OSNABuild-in
Apps
Music

All Wearables