ASUS ZenWatch 3 vs. Diesel On Full Guard vs. Fitbit Charge 3 vs. Amazfit T-Rex vs. Apple Watch Ultra

 
ZenWatch 3
On Full Guard
Charge 3
T-Rex
Watch Ultra
 ASUSZenWatch 3Remove Buy NowDieselOn Full GuardRemove Buy NowFitbitCharge 3Remove Buy NowAmazfitT-RexRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$229$325$150$140$799
Release20172017201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours1 day7 days20 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
WindowsNot yet

Connectivity

BluetoothYes
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution400 x 400454 x 45466 x 18360 x 360502x410 pixels
Size1.39 inches1.4 inches.721 inches1.3 inches1.92 inches
Touch
TypeAMOLEDOMOLEDOLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2Android Wear 2.0NABuild-inWatchOS 9
Apps
Music

All Wearables