ASUS ZenWatch 2 vs. Fitbit Ionic vs. Asus VivoWatch vs. Casio G-Shock GBA800 vs. Garmin 645 Music

 
ZenWatch 2
Ionic
VivoWatch
G-Shock GBA800
645 Music
 ASUSZenWatch 2Remove Buy NowFitbitIonicRemove Buy NowAsusVivoWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$150$299$160$120$450
Release20162017201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a4+ days24 hours to 10 days2 years7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320348x250128 x 128240 x 240
Size1.63 inches or 1.45 inch1.42NA1.2 inches
Touch
TypeAMOLEDOLEDNAMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water ResistanceIP6750mIP6720 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearFitbit OSKoodOS
Apps
Music

All Wearables