ASUS ZenWatch 2 vs. ASUS ZenWatch 3 vs. Asus VivoWatch vs. Fitbit Alta HR vs. Amazfit T-Rex

 
ZenWatch 2
ZenWatch 3
VivoWatch
Alta HR
T-Rex
 ASUSZenWatch 2Remove Buy NowASUSZenWatch 3Remove Buy NowAsusVivoWatchRemove Buy NowFitbitAlta HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$229$160$150$140
Release20162017201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a48 hours24 hours to 10 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320400 x 400128 x 128128 x 36360 x 360
Size1.63 inches or 1.45 inch1.39 inchesNA1.4 inches1.3 inches
Touch
TypeAMOLEDAMOLEDNAOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water ResistanceIP67IP675 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearAndroid Wear 2KoodOSBuild-in
Apps
Music

All Wearables