Polar M400 vs. Microsoft Band 2 vs. Misfit Ray vs. Michael Kors Grayson vs. Samsung Gear Fit vs. Michael Kors Grayson

 
M400
Band 2
Ray
Grayson
Gear Fit
Grayson
 PolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowMisfitRayRemove Buy NowMichael KorsGraysonRemove Buy NowSamsungGear FitRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$250$100$350$150$350
Release201420152016201820142018

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours (without GPS)6 months24 hours2-3 days24 hours
Rechargeable

Compatibility

Android
iOS
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 454432 x 128453x454
Sizen/a1.36 inchesn/a1.39 inches1.84 inches1.39 inches
Touchn/a
Typen/aCapacitative TFTLEDAMOLEDSuper AMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX75 ATM1 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

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

All Wearables