Casio WSD-F20A vs. Michael Kors Access Sofie vs. Fitbit Charge 3 vs. Michael Kors Access Sofie HR vs. Garmin Vivosmart 4

 
WSD-F20A
Access Sofie
Charge 3
Access Sofie HR
Vivosmart 4
 CasioWSD-F20ARemove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitCharge 3Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$399$395$150$395$130
Release20182017201820192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day1 day7 days2 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution320 x 320390 x 390 1.19 inches66 x 18390 x 39048 x 128
Size1.32 inches.721 inches1.19 inches0.74 inches
TouchAMOLDED
TypeLCDOLEDOMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM5 ATM0.3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSAndroid Wear 2.0NAWear OS
Apps
Music

All Wearables