Polar M400 vs. Apple Watch Series 2 vs. Casio G-Shock GBA800 vs. Michael Kors Grayson vs. Samsung Live vs. Michael Kors Grayson

 
M400
Watch Series 2
G-Shock GBA800
Grayson
Live
Grayson
 PolarM400Remove Buy NowAppleWatch Series 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowMichael KorsGraysonRemove Buy NowSamsungLiveRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$269$120$350$200$350
Release201420162018201820142018

Activity & Fitness

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

Battery

Duration8 hours to 30 days18 hours2 years24 hours1 Day24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312453 x 454320 x 320453x454
Sizen/a1.5 inches or 1.65 inches1.39 inches1.63 inches1.39 inches
Touch
Typen/aAMOLEDAMOLEDSuper AMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
VibrationNA
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5ATM20 ATM1 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSAndroid WearAndroid WearAndroid Wear
Apps
Music

All Wearables