Polar M400 vs. Asus ZenWatch vs. Casio G-Shock GBA800 vs. Garmin Forerunner 235 vs. Michael Kors Grayson vs. Michael Kors Grayson

 
M400
ZenWatch
G-Shock GBA800
Forerunner 235
Grayson
Grayson
 PolarM400Remove Buy NowAsusZenWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarminForerunner 235Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$150$120$299.99$350$350
Release201420142018201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 hours to 30 daysNA2 years9 days24 hours24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320215 x 180453 x 454453x454
Sizen/a1.63 inches1.23 inches1.39 inches1.39 inches
Touch
Typen/aAMOLEDMIPAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP5520 ATM5 ATM1 ATM1 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearAndroid WearAndroid Wear
Apps
Music

All Wearables