ASUS ZenWatch 2 vs. Garmin 645 Music vs. Fitbit Charge HR vs. Apple Watch Series 4 vs. Fitbit Inspire HR

 
ZenWatch 2
645 Music
Charge HR
Watch Series 4
Inspire HR
 ASUSZenWatch 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy NowAppleWatch Series 4Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$150$450$150$329$99
Release20162018201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a7 days5 daysNot Yet5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320240 x 240NA384 x 480139 x 60
Size1.63 inches or 1.45 inch1.2 inchesNA1.78 inches1.4 inches
TouchNA
TypeAMOLEDMIPOLEDMicroLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM1 ATMNot Yet5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearNAWatch OS 5Fitbit OS
Apps
Music

All Wearables