Polar M600 vs. Withings Activite Sapphire vs. Microsoft Band 2 vs. Michael Kors Grayson vs. Xiaomi Mi Band vs. Michael Kors Grayson

 
M600
Activite Sapphire
Band 2
Grayson
Mi Band
Grayson
 PolarM600Remove Buy NowWithingsActivite SapphireRemove Buy NowMicrosoftBand 2Remove Buy NowMichael KorsGraysonRemove Buy NowXiaomiMi BandRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$330$450$250$350$15$350
Release201620142015201820152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days8 months48 hours (without GPS)24 hours30 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution240 x 240n/a320 x 128453 x 454NA453x454
Size1.3 inches1.3 inches1.36 inches1.39 inchesNA1.39 inches
Touchn/aNA
TypeTFTAnalogCapacitative TFTAMOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATMIPX71 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables