Casio WSD-F20A vs. LG G Watch vs. Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
WSD-F20A
G Watch
Grayson
A370
Grayson
Vivosmart 4
 CasioWSD-F20ARemove Buy NowLGG WatchRemove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$399$230$350$179.95$350$130
Release201820142018201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day1.5 days24 hoursUp to 3 days24 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320280 x 280453 x 454160 x 80453x45448 x 128
Size1.32 inches1.65 inches1.39 inches1.18 inches1.39 inches0.74 inches
Touch
TypeLCDIPS LCDAMOLEDTFT LCDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP671 ATMWR301 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSAndroid WearAndroid WearAndroid Wear
Apps
Music

All Wearables