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

 
M400
Band 2
Ray
Loop 2
Grayson
Grayson
 PolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowMisfitRayRemove Buy NowPolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$250$100$120$350$350
Release201420152016201520182018

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours (without GPS)6 months8 days (without notifications)24 hours24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 128n/an/a453 x 454453x454
Sizen/a1.36 inchesn/an/a1.39 inches1.39 inches
Touchn/a
Typen/aCapacitative TFTLEDLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX75 ATM2 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

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

All Wearables