Casio WSD-F20A vs. Michael Kors Grayson vs. Samsung Gear 2 vs. Polar Loop vs. Michael Kors Grayson vs. Fitbit Inspire HR

 
WSD-F20A
Grayson
Gear 2
Loop
Grayson
Inspire HR
 CasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowSamsungGear 2Remove Buy NowPolarLoopRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$399$350$300$100$350$99
Release201820182014201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration1 day24 hours2-3 days5 days24 hours5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320453 x 454320 x 320NA453x454139 x 60
Size1.32 inches1.39 inches1.63 inchesNA1.39 inches1.4 inches
Touch
TypeLCDAMOLEDSuper AMOLEDLEDAMOLEDOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATMIP672 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSAndroid WearTizen OSNAAndroid WearFitbit OS
Apps
Music

All Wearables