Casio WSD-F20A vs. Michael Kors Grayson vs. Fitbit Alta HR vs. Pebble Core vs. Fitbit Versa 2 vs. Michael Kors Grayson

 
WSD-F20A
Grayson
Alta HR
Core
Versa 2
Grayson
 CasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowPebbleCoreRemove Buy NowFitbitVersa 2Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$399$350$150$99$199$350
Release201820182017201620192018

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration1 day24 hours7 daysNA5 days24 hours
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320453 x 454128 x 36NA300 x 300453x454
Size1.32 inches1.39 inches1.4 inchesNA1.34 inches1.39 inches
TouchNA
TypeLCDAMOLEDOLEDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATMNA5 ATM1 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemWear OSAndroid WearNABuild-inAndroid Wear
Apps
Music

All Wearables