Casio WSD-F20A vs. Fitbit Alta HR vs. Amazfit GTR

 
WSD-F20A
Alta HR
GTR
 CasioWSD-F20ARemove Buy NowFitbitAlta HRRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$399$150$199
Release201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day7 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320128 x 36454 x 454
Size1.32 inches1.4 inches1.39 inches
Touch
TypeLCDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSBuild-in
Apps
Music

All Wearables