Casio WSD-F20A vs. Fitbit Alta HR vs. Fitbit Charge 3 vs. Garmin Forerunner 45 vs. Garmin Vivosmart 4

 
WSD-F20A
Alta HR
Charge 3
Forerunner 45
Vivosmart 4
 CasioWSD-F20ARemove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge 3Remove Buy NowGarminForerunner 45Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$399$150$150$199$130
Release20182017201820192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day7 days7 days7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution320 x 320128 x 3666 x 18208 x 20848 x 128
Size1.32 inches1.4 inches.721 inches1.04 inches0.74 inches
Touch
TypeLCDOLEDOLEDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNABuilt-in
Apps
Music

All Wearables