ASUS ZenWatch 2 vs. Fitbit Charge 2 vs. ASUS ZenWatch 3 vs. Casio G-Shock GBA800 vs. Amazfit T-Rex

 
ZenWatch 2
Charge 2
ZenWatch 3
G-Shock GBA800
T-Rex
 ASUSZenWatch 2Remove Buy NowFitbitCharge 2Remove Buy NowASUSZenWatch 3Remove Buy NowCasioG-Shock GBA800Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$150$229$120$140
Release20162016201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days48 hours2 years20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a400 x 400360 x 360
Size1.63 inches or 1.45 inchn/a1.39 inches1.3 inches
Touchn/a
TypeAMOLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67n/a20 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aAndroid Wear 2Build-in
Apps
Music

All Wearables