Polar M600 vs. Polar Loop 2 vs. Casio G-Shock GBA800 vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Michael Kors Grayson

 
M600
Loop 2
G-Shock GBA800
Grayson
Charge 3
Grayson
 PolarM600Remove Buy NowPolarLoop 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$330$120$120$350$150$350
Release201620152018201820182018

Activity & Fitness

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

Battery

Duration2 days8 days (without notifications)2 years24 hours7 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution240 x 240n/a453 x 45466 x 18453x454
Size1.3 inchesn/a1.39 inches.721 inches1.39 inches
Touchn/a
TypeTFTLEDAMOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX82 ATM20 ATM1 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables