Casio WSD-F20A vs. Michael Kors Grayson vs. Fitbit Charge vs. Michael Kors Grayson vs. Garmin Vivosmart 4 vs. Fitbit Inspire HR

 
WSD-F20A
Grayson
Charge
Grayson
Vivosmart 4
Inspire HR
 CasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$399$350$130$350$130$99
Release201820182014201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day24 hours7-10 days24 hours7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320453 x 454NA453x45448 x 128139 x 60
Size1.32 inches1.39 inchesNA1.39 inches0.74 inches1.4 inches
TouchNA
TypeLCDAMOLEDOLEDAMOLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM1 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSAndroid WearNAAndroid WearFitbit OS
Apps
Music

All Wearables