ASUS ZenWatch 2 vs. Casio G-Shock GBA800 vs. Fitbit Alta HR vs. Fitbit Charge HR vs. Amazfit GTS

 
ZenWatch 2
G-Shock GBA800
Alta HR
Charge HR
GTS
 ASUSZenWatch 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge HRRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$150$120$150$150$150
Release20162018201720152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2 years7 days5 days14 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320128 x 36NA348 x 442
Size1.63 inches or 1.45 inch1.4 inchesNA1.65 inches
TouchNA
TypeAMOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP6720 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearNAWear OS
Apps
Music

All Wearables