Apple Watch Series 3 vs. Casio WSD-F20A vs. Garmin 645 Music vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Watch Series 3
WSD-F20A
645 Music
Grayson
Grayson
Vivosmart 4
 AppleWatch Series 3Remove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$329$399$450$350$350$130
Release201720182018201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours1 day7 days24 hours24 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312320 x 320240 x 240453 x 454453x45448 x 128
Size1.5 inches or 1.65 inches1.32 inches1.2 inches1.39 inches1.39 inches0.74 inches
Touch
TypeAMOLEDLCDMIPAMOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Wear OSAndroid WearAndroid Wear
Apps
Music

All Wearables