ASUS ZenWatch 2 vs. Garmin Forerunner 225 vs. Casio G-Shock GBA800 vs. Fitbit Inspire HR vs. Amazfit GTR

 
ZenWatch 2
Forerunner 225
G-Shock GBA800
Inspire HR
GTR
 ASUSZenWatch 2Remove Buy NowGarminForerunner 225Remove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitInspire HRRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$300$120$99$199
Release20162015201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a10 hours to 4 weeks2 years5 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320180 x 180139 x 60454 x 454
Size1.63 inches or 1.45 inch1 inch1.4 inches1.39 inches
Touch
TypeAMOLEDn/aOLEDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM20 ATM5 ATM5 ATM

Notifications

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

Software

Operating SystemAndroid Wearn/aFitbit OSBuild-in
Appsn/a
Musicn/a

All Wearables