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

 
ZenWatch 3
Arc
G-Shock GBA800
645 Music
T-Rex
 ASUSZenWatch 3Remove Buy NowAmazfitArcRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$229$69.99$120$450$140
Release20172016201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours20 days2 years7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 40072 x40240 x 240360 x 360
Size1.39 inches0.42 inches1.2 inches1.3 inches
Touch
TypeAMOLEDOLEDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP6720 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2Build-in
Apps
Music

All Wearables