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

 
M400
Band 2
Ray
VivoWatch
Grayson
Grayson
 PolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowMisfitRayRemove Buy NowAsusVivoWatchRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$250$100$160$350$350
Release201420152016201820182018

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours (without GPS)6 months24 hours to 10 days24 hours24 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/a128 x 128453 x 454453x454
Sizen/a1.36 inchesn/aNA1.39 inches1.39 inches
Touchn/a
Typen/aCapacitative TFTLEDNAAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

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

All Wearables