Polar M600 vs. Fitbit Charge 2 vs. Michael Kors Grayson vs. Apple Watch Series 4 vs. Garmin Forerunner 45 vs. Michael Kors Grayson

 
M600
Charge 2
Grayson
Watch Series 4
Forerunner 45
Grayson
 PolarM600Remove Buy NowFitbitCharge 2Remove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch Series 4Remove Buy NowGarminForerunner 45Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$330$150$350$329$199$350
Release201620162018201820192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days24 hoursNot Yet7 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a453 x 454384 x 480208 x 208453x454
Size1.3 inchesn/a1.39 inches1.78 inches1.04 inches1.39 inches
Touchn/an/a
TypeTFTOLEDAMOLEDMicroLEDLCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/a1 ATMNot Yet5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid WearWatch OS 5Built-inAndroid Wear
Apps
Music

All Wearables