ASUS ZenWatch 2 vs. Fitbit Ionic vs. Apple Watch Series 4 vs. Amazfit GTS vs. Amazfit T-Rex

 
ZenWatch 2
Ionic
Watch Series 4
GTS
T-Rex
 ASUSZenWatch 2Remove Buy NowFitbitIonicRemove Buy NowAppleWatch Series 4Remove Buy NowAmazfitGTSRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$299$329$150$140
Release20162017201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a4+ daysNot Yet14 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320348x250384 x 480348 x 442360 x 360
Size1.63 inches or 1.45 inch1.421.78 inches1.65 inches1.3 inches
Touch
TypeAMOLEDOLEDMicroLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP6750mNot Yet5 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearFitbit OSWatch OS 5Wear OSBuild-in
Apps
Music

All Wearables