ASUS ZenWatch 2 vs. ASUS ZenWatch 3 vs. Garmin 645 Music vs. Fitbit Alta HR vs. Fitbit Charge HR

 
ZenWatch 2
ZenWatch 3
645 Music
Alta HR
Charge HR
 ASUSZenWatch 2Remove Buy NowASUSZenWatch 3Remove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$150$229$450$150$150
Release20162017201820172015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a48 hours7 days7 days5 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320400 x 400240 x 240128 x 36NA
Size1.63 inches or 1.45 inch1.39 inches1.2 inches1.4 inchesNA
TouchNA
TypeAMOLEDAMOLEDMIPOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM1 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearAndroid Wear 2NA
Apps
Music

All Wearables