ASUS ZenWatch 3 vs. Casio G-Shock GBA800 vs. Garmin 645 Music vs. Mobvoi TicWatch S2 vs. Amazfit T-Rex

 
ZenWatch 3
G-Shock GBA800
645 Music
TicWatch S2
T-Rex
 ASUSZenWatch 3Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowMobvoiTicWatch S2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$229$120$450$180$140
Release20172018201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours2 years7 days2 DAYS20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400240 x 240400 x 400360 x 360
Size1.39 inches1.2 inches1.39 inches1.3 inches
Touch
TypeAMOLEDMIPOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance20 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2Wear OSBuild-in
Apps
Music

All Wearables