ASUS ZenWatch 3 vs. Asus VivoWatch vs. Asus ZenWatch vs. Garmin 645 Music vs. Amazfit T-Rex

 
ZenWatch 3
VivoWatch
ZenWatch
645 Music
T-Rex
 ASUSZenWatch 3Remove Buy NowAsusVivoWatchRemove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$229$160$150$450$140
Release20172018201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours24 hours to 10 daysNA7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400128 x 128320 x 320240 x 240360 x 360
Size1.39 inchesNA1.63 inches1.2 inches1.3 inches
Touch
TypeAMOLEDNAAMOLEDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water ResistanceIP67IP555 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid Wear 2KoodOSAndroid WearBuild-in
Apps
Music

All Wearables