Polar M400 vs. Amazfit Stratos vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Skagen Falster 3

 
M400
Stratos
Grayson
Grayson
Falster 3
 PolarM400Remove Buy NowAmazfitStratosRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowSkagenFalster 3Remove Buy Now

Basic Info

Suggested Price$200$199$350$350$295
Release20142018201820182020

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days24 hours24 hours1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300453 x 454453x454416 x 416
Sizen/a1.34 inches1.39 inches1.39 inches1.28 inches
Touch
Typen/aOLEDAMOLEDAMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM1 ATM1 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryAndroid WearAndroid WearWear OS
Apps
Music

All Wearables