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

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

Basic Info

Suggested Price$330$120$500$350$329$350
Release201620152017201820182018

Activity & Fitness

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

Battery

Duration2 days8 days (without notifications)Up to 2 weeks24 hoursNot Yet24 hours
Rechargeable

Compatibility

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

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/a
TypeTFTLEDLCDAMOLEDMicroLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX82 ATM5 ATM1 ATMNot Yet1 ATM

Notifications

Phone
Emails
Texts

Software

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

All Wearables