Polar M400 vs. Microsoft Band 2 vs. Misfit Ray vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson

 
M400
Band 2
Ray
Grayson
Core
Grayson
 PolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowMisfitRayRemove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$250$100$350$99$350
Release201420152016201820162018

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours (without GPS)6 months24 hoursNA24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 128n/a453 x 454NA453x454
Sizen/a1.36 inchesn/a1.39 inchesNA1.39 inches
Touchn/aNA
Typen/aCapacitative TFTLEDAMOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX75 ATM1 ATMNA1 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/an/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables