Polar M400 vs. Garmin Fenix 5 vs. Michael Kors Grayson vs. Jawbone UP24 vs. Apple Watch Series 4 vs. Michael Kors Grayson

 
M400
Fenix 5
Grayson
UP24
Watch Series 4
Grayson
 PolarM400Remove Buy NowGarminFenix 5Remove Buy NowMichael KorsGraysonRemove Buy NowJawboneUP24Remove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$599.99$350$130$329$350
Release201420172018201320182018

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 Weeks24 hours14 daysNot Yet24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240453 x 454NA384 x 480453x454
Sizen/a1.2 inches1.39 inchesNA1.78 inches1.39 inches
TouchNA
Typen/anaAMOLEDNAMicroLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM10 ATM1 ATMSplash ResistantNot Yet1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAWatch OS 5Android Wear
Apps
Music

All Wearables