ASUS ZenWatch 3 vs. Fitbit Ionic vs. Asus VivoWatch vs. Garmin Forerunner 235 vs. Amazfit T-Rex

 
ZenWatch 3
Ionic
VivoWatch
Forerunner 235
T-Rex
 ASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowAsusVivoWatchRemove Buy NowGarminForerunner 235Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$229$299$160$299.99$140
Release20172017201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours4+ days24 hours to 10 days9 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400348x250128 x 128215 x 180360 x 360
Size1.39 inches1.42NA1.23 inches1.3 inches
Touch
TypeAMOLEDOLEDNAMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance50mIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2Fitbit OSKoodOSBuild-in
Apps
Music

All Wearables