ASUS ZenWatch 2 vs. ASUS ZenWatch 3 vs. Asus VivoWatch vs. Fitbit Alta HR vs. Apple Watch Series 4

 
ZenWatch 2
ZenWatch 3
VivoWatch
Alta HR
Watch Series 4
 ASUSZenWatch 2Remove Buy NowASUSZenWatch 3Remove Buy NowAsusVivoWatchRemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$150$229$160$150$329
Release20162017201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a48 hours24 hours to 10 days7 daysNot Yet
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320400 x 400128 x 128128 x 36384 x 480
Size1.63 inches or 1.45 inch1.39 inchesNA1.4 inches1.78 inches
Touch
TypeAMOLEDAMOLEDNAOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water ResistanceIP67IP67Not Yet

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearAndroid Wear 2KoodOSWatch OS 5
Apps
Music

All Wearables