Polar M400 vs. Samsung Gear S vs. Garmin Vivoactive 3 vs. Michael Kors Grayson vs. Sony SmartBand vs. Michael Kors Grayson

 
M400
Gear S
Vivoactive 3
Grayson
SmartBand
Grayson
 PolarM400Remove Buy NowSamsungGear SRemove Buy NowGarminVivoactive 3Remove Buy NowMichael KorsGraysonRemove Buy NowSonySmartBandRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$250$299$350$100$350
Release201420132017201820142018

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a7 days24 hours5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/a480 x 360240 x 240453 x 454NA453x454
Sizen/a2 inches1.2 inches1.39 inchesNA1.39 inches
TouchNA
Typen/aSuper AMOLEDMIPAMOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP675 ATM1 ATMIP581 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenAndroid WearNAAndroid Wear
Apps
Music

All Wearables