Polar M400 vs. Polar V800 vs. Microsoft Band 2 vs. Michael Kors Grayson vs. Samsung Gear 2 vs. Michael Kors Grayson

 
M400
V800
Band 2
Grayson
Gear 2
Grayson
 PolarM400Remove Buy NowPolarV800Remove Buy NowMicrosoftBand 2Remove Buy NowMichael KorsGraysonRemove Buy NowSamsungGear 2Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$470$250$350$300$350
Release201420142015201820142018

Activity & Fitness

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

Battery

Duration8 hours to 30 days13 hours to 30 days48 hours (without GPS)24 hours2-3 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 128453 x 454320 x 320453x454
Sizen/an/a1.36 inches1.39 inches1.63 inches1.39 inches
Touch
Typen/an/aCapacitative TFTAMOLEDSuper AMOLEDAMOLED

Functions

Audio SpeakerAlerts onlyAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATMIPX71 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aAndroid WearTizen OSAndroid Wear
Apps
Music

All Wearables