Fitbit Surge vs. Fitbit Charge 2 vs. Casio WSD-F20A vs. Michael Kors Grayson vs. Apple Watch Series 4 vs. Michael Kors Grayson

 
Surge
Charge 2
WSD-F20A
Grayson
Watch Series 4
Grayson
 FitbitSurgeRemove Buy NowFitbitCharge 2Remove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$250$150$399$350$329$350
Release201620162018201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days1 day24 hoursNot Yet24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320453 x 454384 x 480453x454
Size1.26 inchesn/a1.32 inches1.39 inches1.78 inches1.39 inches
Touchn/a
TypeMonochrome LCDOLEDLCDAMOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATM1 ATMNot Yet1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSAndroid WearWatch OS 5Android Wear
Apps
Music

All Wearables