Polar M400 vs. Samsung Gear S vs. Michael Kors Grayson vs. Apple Watch Series 4 vs. Michael Kors Grayson vs. Skagen Falster 2

 
M400
Gear S
Grayson
Watch Series 4
Grayson
Falster 2
 PolarM400Remove Buy NowSamsungGear SRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy NowSkagenFalster 2Remove Buy Now

Basic Info

Suggested Price$200$250$350$329$350$199
Release201420132018201820182019

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a24 hoursNot Yet24 hours1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 360453 x 454384 x 480453x454320 x 320
Sizen/a2 inches1.39 inches1.78 inches1.39 inches1.19 inches
Touch
Typen/aSuper AMOLEDAMOLEDMicroLEDAMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP671 ATMNot Yet1 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenAndroid WearWatch OS 5Android WearWear OS
Apps
Music

All Wearables