Polar M400 vs. Casio G-Shock GBA800 vs. Michael Kors Grayson vs. Samsung Gear Sport vs. Sony SmartBand vs. Michael Kors Grayson

 
M400
G-Shock GBA800
Grayson
Gear Sport
SmartBand
Grayson
 PolarM400Remove Buy NowCasioG-Shock GBA800Remove Buy NowMichael KorsGraysonRemove Buy NowSamsungGear SportRemove Buy NowSonySmartBandRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$120$350$299.99$100$350
Release201420182018201720142018

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 years24 hours2 days5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/a453 x 454360 x 360NA453x454
Sizen/a1.39 inches1.2 inchesNA1.39 inches
TouchNA
Typen/aAMOLEDSuper AMOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM20 ATM1 ATM5 ATMIP581 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearTizen OSNAAndroid Wear
Apps
Music

All Wearables