Casio WSD-F20A vs. Michael Kors Grayson vs. Fitbit Charge vs. Fitbit Charge HR vs. LG G Watch R vs. Michael Kors Grayson

 
WSD-F20A
Grayson
Charge
Charge HR
G Watch R
Grayson
 CasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowFitbitCharge HRRemove Buy NowLGG Watch RRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$399$350$130$150$300$350
Release201820182014201520142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day24 hours7-10 days5 days2 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANAn/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320453 x 454NANA320 x 320453x454
Size1.32 inches1.39 inchesNANA1.3 inches1.39 inches
TouchNANA
TypeLCDAMOLEDOLEDOLEDP-OLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM1 ATM1 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSAndroid WearNANAAndroid WearAndroid Wear
Apps
Music

All Wearables