ASUS ZenWatch 2 vs. Amazfit Cor vs. Fitbit Charge vs. Fitbit Charge 3 vs. Amazfit T-Rex

 
ZenWatch 2
Cor
Charge
Charge 3
T-Rex
 ASUSZenWatch 2Remove Buy NowAmazfitCorRemove Buy NowFitbitChargeRemove Buy NowFitbitCharge 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$79.99$130$150$140
Release20162018201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a12 days7-10 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution320 x 32080 x 160NA66 x 18360 x 360
Size1.63 inches or 1.45 inch1.23 inchesNA.721 inches1.3 inches
TouchNA
TypeAMOLEDIPS LCDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearNANABuild-in
Apps
Music

All Wearables