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

 
Loop 2
G-Shock GBA800
Grayson
Charge 3
Vivosport
Grayson
 PolarLoop 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowGarminVivosportRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$120$120$350$150$199$350
Release201520182018201820172018

Activity & Fitness

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

Battery

Duration8 days (without notifications)2 years24 hours7 days7 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a453 x 45466 x 1872 x 144453x454
Sizen/a1.39 inches.721 inchesNA1.39 inches
Touch
TypeLEDAMOLEDOLEDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM20 ATM1 ATM5 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables