Polar M400 vs. Garmin Vivosmart HR vs. Xiaomi Mi Band 2 vs. LG Watch Urbane vs. Michael Kors Grayson vs. Michael Kors Grayson

 
M400
Vivosmart HR
Mi Band 2
Watch Urbane
Grayson
Grayson
 PolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowXiaomiMi Band 2Remove Buy NowLGWatch UrbaneRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$170$23$245$350$350
Release201420152016201520182018

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days20 hoursNA24 hours24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-FiNA

Display

Color
Resolutionn/a160 x 68n/a320 x 320453 x 454453x454
Sizen/a1.08 inches0.42 inches1.3 inches1.39 inches1.39 inches
Touch
Typen/an/aOLEDP-OLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP67IP671 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

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

All Wearables