Polar M600 vs. Fitbit Charge 2 vs. Garmin Forerunner 935 vs. Michael Kors Grayson vs. Apple Watch Series 4 vs. Michael Kors Grayson

 
M600
Charge 2
Forerunner 935
Grayson
Watch Series 4
Grayson
 PolarM600Remove Buy NowFitbitCharge 2Remove Buy NowGarminForerunner 935Remove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$330$150$500$350$329$350
Release201620162017201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 daysUp to 2 weeks24 hoursNot Yet24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a240 x 240453 x 454384 x 480453x454
Size1.3 inchesn/a1.2 inches1.39 inches1.78 inches1.39 inches
Touchn/an/a
TypeTFTOLEDLCDAMOLEDMicroLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/a5 ATM1 ATMNot Yet1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid WearWatch OS 5Android Wear
Apps
Music

All Wearables