Polar M400 vs. Polar V800 vs. Samsung Gear S2 vs. Microsoft Band 2 vs. Michael Kors Grayson vs. Michael Kors Grayson

 
M400
V800
Gear S2
Band 2
Grayson
Grayson
 PolarM400Remove Buy NowPolarV800Remove Buy NowSamsungGear S2Remove Buy NowMicrosoftBand 2Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$470$300$250$350$350
Release201420142015201520182018

Activity & Fitness

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

Battery

Duration8 hours to 30 days13 hours to 30 days2-3 days48 hours (without GPS)24 hours24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolutionn/an/a360 x 360320 x 128453 x 454453x454
Sizen/an/a1.2 inches1.36 inches1.39 inches1.39 inches
Touch
Typen/an/aSuper AMOLEDCapacitative TFTAMOLEDAMOLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATMIP68IPX71 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aTizenn/aAndroid WearAndroid Wear
Apps
Music

All Wearables