ASUS ZenWatch 3 vs. Fitbit Ionic vs. Casio WSD-F20A vs. Fitbit Charge vs. Amazfit GTR

 
ZenWatch 3
Ionic
WSD-F20A
Charge
GTR
 ASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$229$299$399$130$199
Release20172017201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours4+ days1 day7-10 days24 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400348x250320 x 320NA454 x 454
Size1.39 inches1.421.32 inchesNA1.39 inches
TouchNA
TypeAMOLEDOLEDLCDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2Fitbit OSWear OSNABuild-in
Apps
Music

All Wearables