Casio WSD-F20A vs. Michael Kors Grayson vs. Fitbit Charge vs. Samsung Gear Fit vs. Michael Kors Grayson vs. Huawei Band 2

 
WSD-F20A
Grayson
Charge
Gear Fit
Grayson
Band 2
 CasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowSamsungGear FitRemove Buy NowMichael KorsGraysonRemove Buy NowHuaweiBand 2Remove Buy Now

Basic Info

Suggested Price$399$350$130$150$350$69.99
Release201820182014201420182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day24 hours7-10 days2-3 days24 hours21 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320453 x 454NA432 x 128453x454128 x 32
Size1.32 inches1.39 inchesNA1.84 inches1.39 inches0.91 inches
TouchNA
TypeLCDAMOLEDOLEDSuper AMOLEDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM1 ATMIP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSAndroid WearNANAAndroid Wear
Apps
Music

All Wearables