Polar M400 vs. Amazfit Pace vs. Michael Kors Grayson vs. Samsung Gear 2 vs. Xiaomi Mi Band vs. Michael Kors Grayson

 
M400
Pace
Grayson
Gear 2
Mi Band
Grayson
 PolarM400Remove Buy NowAmazfitPaceRemove Buy NowMichael KorsGraysonRemove Buy NowSamsungGear 2Remove Buy NowXiaomiMi BandRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$130$350$300$15$350
Release201420172018201420152018

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days24 hours2-3 days30 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/a320 x 300453 x 454320 x 320NA453x454
Sizen/a1.34 inches1.39 inches1.63 inchesNA1.39 inches
TouchNA
Typen/aTFT LCDAMOLEDSuper AMOLEDNAAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP671 ATMIP67IP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryAndroid WearTizen OSNAAndroid Wear
Apps
Music

All Wearables