Polar M430 vs. Michael Kors Grayson vs. Garmin Forerunner 45 vs. Michael Kors Grayson vs. Garmin Vivosmart 4 vs. Fitbit Inspire 3

 
M430
Grayson
Forerunner 45
Grayson
Vivosmart 4
Inspire 3
 PolarM430Remove Buy NowMichael KorsGraysonRemove Buy NowGarminForerunner 45Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$255$350$199$350$130$100
Release201720182019201820182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours24 hours7 days24 hours7 days10 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128453 x 454208 x 208453x45448 x 12832x18
Size1.4 inch1.39 inches1.04 inches1.39 inches0.74 inches46 inches
Touch
TypeLCDAMOLEDLCDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR301 ATM5 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearBuilt-inAndroid Wear
Apps
Music

All Wearables