ASUS ZenWatch 3 vs. Fitbit Ionic vs. Fitbit Charge vs. Apple Watch Series 5 vs. Amazfit T-Rex

 
ZenWatch 3
Ionic
Charge
Watch Series 5
T-Rex
 ASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowFitbitChargeRemove Buy NowAppleWatch Series 5Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$229$299$130$329$140
Release20172017201420192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours4+ days7-10 daysNot Yet20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400348x250NA384 x 480360 x 360
Size1.39 inches1.42NA1.78 Inches1.3 inches
TouchNA
TypeAMOLEDOLEDOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m1 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2Fitbit OSNAWatchOS 5Build-in
Apps
Music

All Wearables