Polar M400 vs. Polar M600 vs. Michael Kors Grayson vs. Samsung Gear 2 vs. Garmin Vivosport vs. Michael Kors Grayson

 
M400
M600
Grayson
Gear 2
Vivosport
Grayson
 PolarM400Remove Buy NowPolarM600Remove Buy NowMichael KorsGraysonRemove Buy NowSamsungGear 2Remove Buy NowGarminVivosportRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$330$350$300$199$350
Release201420162018201420172018

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days24 hours2-3 days7 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240453 x 454320 x 32072 x 144453x454
Sizen/a1.3 inches1.39 inches1.63 inchesNA1.39 inches
Touchn/a
Typen/aTFTAMOLEDSuper AMOLEDMIPAMOLED

Functions

Audio SpeakerAlerts onlyAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX81 ATMIP675 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid WearTizen OSAndroid Wear
Apps
Music

All Wearables