ASUS ZenWatch 3 vs. Fitbit Ionic vs. Garmin Fenix 5s vs. Diesel On Full Guard vs. Amazfit T-Rex

 
ZenWatch 3
Ionic
Fenix 5s
On Full Guard
T-Rex
 ASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowGarminFenix 5sRemove Buy NowDieselOn Full GuardRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$229$299$599.99$325$140
Release20172017201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours4+ daysUp to 9 days1 day20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400348x250218x 218454 x 454360 x 360
Size1.39 inches1.421.1 inches1.4 inches1.3 inches
Touch
TypeAMOLEDOLEDnaOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m10ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2Fitbit OSAndroid Wear 2.0Build-in
Apps
Music

All Wearables