Polar M400 vs. Amazfit Cor vs. Michael Kors Access Sofie vs. Samsung Galaxy Watch vs. Fitbit Alta HR

 
M400
Cor
Access Sofie
Galaxy Watch
Alta HR
 PolarM400Remove Buy NowAmazfitCorRemove Buy NowMichael KorsAccess SofieRemove Buy NowSamsungGalaxy WatchRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$200$79.99$395$330$150
Release20142018201720182017

Activity & Fitness

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

Battery

Duration8 hours to 30 days12 days1 day7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a80 x 160390 x 390 1.19 inches360 x 360128 x 36
Sizen/a1.23 inches1.2 inches or 1.3 inches1.4 inches
TouchAMOLDED
Typen/aIPS LCDAMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0Tizen OS
Apps
MusicSpotify

All Wearables