Polar M400 vs. Fitbit Alta vs. ASUS ZenWatch 3 vs. Michael Kors Grayson vs. Samsung Live vs. Michael Kors Grayson

 
M400
Alta
ZenWatch 3
Grayson
Live
Grayson
 PolarM400Remove Buy NowFitbitAltaRemove Buy NowASUSZenWatch 3Remove Buy NowMichael KorsGraysonRemove Buy NowSamsungLiveRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$130$229$350$200$350
Release201420162017201820142018

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days48 hours24 hours1 Day24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a400 x 400453 x 454320 x 320453x454
Sizen/an/a1.39 inches1.39 inches1.63 inches1.39 inches
Touchn/a
Typen/aOLEDAMOLEDAMOLEDSuper AMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
VibrationNA
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/a1 ATMIP671 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid Wear 2Android WearAndroid WearAndroid Wear
Apps
Music

All Wearables