ASUS ZenWatch 2 vs. Asus ZenWatch vs. Fitbit Alta HR vs. Fitbit Charge HR vs. Apple Watch Series 4

 
ZenWatch 2
ZenWatch
Alta HR
Charge HR
Watch Series 4
 ASUSZenWatch 2Remove Buy NowAsusZenWatchRemove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge HRRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$150$150$150$150$329
Release20162014201720152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/aNA7 days5 daysNot Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320320 x 320128 x 36NA384 x 480
Size1.63 inches or 1.45 inch1.63 inches1.4 inchesNA1.78 inches
TouchNA
TypeAMOLEDAMOLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP551 ATMNot Yet

Notifications

Phone
Emailsn/aNA
Textsn/aNA

Software

Operating SystemAndroid WearAndroid WearNAWatch OS 5
Apps
Music

All Wearables