Casio WSD-F20A vs. Fitbit Versa vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Michael Kors Grayson vs. Apple Watch 7

 
WSD-F20A
Versa
Grayson
Charge 3
Grayson
Watch 7
 CasioWSD-F20ARemove Buy NowFitbitVersaRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$399$199.99$350$150$350$429
Release201820182018201820182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day4 days24 hours7 days24 hours18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution320 x 320300 x300453 x 45466 x 18453x454396 x 484
Size1.32 inches1.34 inches1.39 inches.721 inches1.39 inches1.9 inches
Touch
TypeLCDOLEDAMOLEDOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM5 ATM1 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSAndroid WearNAAndroid WearWatchOS 8
Apps
Music

All Wearables