ASUS ZenWatch 2 vs. Garmin Forerunner 225 vs. Polar M400 vs. Fitbit Ionic vs. Casio G-Shock GBA800

 
ZenWatch 2
Forerunner 225
M400
Ionic
G-Shock GBA800
 ASUSZenWatch 2Remove Buy NowGarminForerunner 225Remove Buy NowPolarM400Remove Buy NowFitbitIonicRemove Buy NowCasioG-Shock GBA800Remove Buy Now

Basic Info

Suggested Price$150$300$200$299$120
Release20162015201420172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a10 hours to 4 weeks8 hours to 30 days4+ days2 years
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320180 x 180n/a348x250
Size1.63 inches or 1.45 inch1 inchn/a1.42
Touch
TypeAMOLEDn/an/aOLED

Functions

Audio Speaker22Alerts only
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM3 ATM50m20 ATM

Notifications

Phonen/a
Emailsn/an/a
Textsn/an/a

Software

Operating SystemAndroid Wearn/an/aFitbit OS
Appsn/a
Musicn/a

All Wearables