ASUS ZenWatch 2 vs. Apple Watch Series 2 vs. Fitbit Charge HR vs. Apple Watch Series 4 vs. Amazfit T-Rex

 
ZenWatch 2
Watch Series 2
Charge HR
Watch Series 4
T-Rex
 ASUSZenWatch 2Remove Buy NowAppleWatch Series 2Remove Buy NowFitbitCharge HRRemove Buy NowAppleWatch Series 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$269$150$329$140
Release20162016201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a18 hours5 daysNot Yet20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320340 x 272 or 390 x 312NA384 x 480360 x 360
Size1.63 inches or 1.45 inch1.5 inches or 1.65 inchesNA1.78 inches1.3 inches
TouchNA
TypeAMOLEDAMOLEDOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675ATM1 ATMNot Yet5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearWatch OSNAWatch OS 5Build-in
Apps
Music

All Wearables