ASUS ZenWatch 2 vs. ASUS ZenWatch 3 vs. Diesel On Full Guard vs. Fitbit Charge 3 vs. Amazfit T-Rex

 
ZenWatch 2
ZenWatch 3
On Full Guard
Charge 3
T-Rex
 ASUSZenWatch 2Remove Buy NowASUSZenWatch 3Remove Buy NowDieselOn Full GuardRemove Buy NowFitbitCharge 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$229$325$150$140
Release20162017201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a48 hours1 day7 days20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution320 x 320400 x 400454 x 45466 x 18360 x 360
Size1.63 inches or 1.45 inch1.39 inches1.4 inches.721 inches1.3 inches
Touch
TypeAMOLEDAMOLEDOMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP675 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearAndroid Wear 2Android Wear 2.0NABuild-in
Apps
Music

All Wearables