ASUS ZenWatch 2 vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Casio G-Shock GBA800 vs. Amazfit GTR

 
ZenWatch 2
ZenWatch 3
Ionic
G-Shock GBA800
GTR
 ASUSZenWatch 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowCasioG-Shock GBA800Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$229$299$120$199
Release20162017201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a48 hours4+ days2 years24 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320400 x 400348x250454 x 454
Size1.63 inches or 1.45 inch1.39 inches1.421.39 inches
Touch
TypeAMOLEDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP6750m20 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearAndroid Wear 2Fitbit OSBuild-in
Apps
Music

All Wearables