ASUS ZenWatch 2 vs. Casio G-Shock GBA800 vs. Garmin 645 Music vs. Fitbit Alta HR vs. Garmin VivoActive 4

 
ZenWatch 2
G-Shock GBA800
645 Music
Alta HR
VivoActive 4
 ASUSZenWatch 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$150$120$450$150$349
Release20162018201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2 years7 days7 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320240 x 240128 x 36260 x 260
Size1.63 inches or 1.45 inch1.2 inches1.4 inches1.3ionches
Touch
TypeAMOLEDMIPOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP6720 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearWear OS
Apps
Music

All Wearables