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

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

Basic Info

Suggested Price$150$450$150$150$150
Release20162018201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a7 days7 days7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution320 x 320240 x 240128 x 3666 x 18348 x 442
Size1.63 inches or 1.45 inch1.2 inches1.4 inches.721 inches1.65 inches
Touch
TypeAMOLEDMIPOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearNAWear OS
Apps
Music

All Wearables