Polar Loop 2 vs. New Balance RunIQ vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Michael Kors Grayson vs. Garmin VivoActive 4

 
Loop 2
RunIQ
Grayson
Charge 3
Grayson
VivoActive 4
 PolarLoop 2Remove Buy NowNew BalanceRunIQRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$120$299$350$150$350$349
Release201520172018201820182019

Activity & Fitness

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

Battery

Duration8 days (without notifications)24 hours (5 hrs w GPS and heart rate)24 hours7 days24 hours8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a400 x 400453 x 45466 x 18453x454260 x 260
Sizen/a1.39 inches1.39 inches.721 inches1.39 inches1.3ionches
Touch
TypeLEDAMOLEDAMOLEDOLEDAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 1.5Android WearNAAndroid WearWear OS
Apps
Music

All Wearables