ASUS ZenWatch 3 vs. Fitbit Ionic vs. Amazfit Stratos vs. Diesel On Full Guard 2.5 vs. Amazfit T-Rex

 
ZenWatch 3
Ionic
Stratos
On Full Guard 2.5
T-Rex
 ASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowAmazfitStratosRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$229$299$199$325$140
Release20172017201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours4+ days5 days4 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400348x250320 x 300454x454360 x 360
Size1.39 inches1.421.34 inches1.39 inches1.3 inches
Touch
TypeAMOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2Fitbit OSProprietaryWear OSBuild-in
Apps
Music

All Wearables