Polar M430 vs. Amazfit Cor vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson vs. Apple Watch 8

 
M430
Cor
Grayson
Core
Grayson
Watch 8
 PolarM430Remove Buy NowAmazfitCorRemove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$255$79.99$350$99$350$499
Release201720182018201620182022

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration30 hours12 days24 hoursNA24 hours18 hrs
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x12880 x 160453 x 454NA453x454340 x 272 or 390 x 312
Size1.4 inch1.23 inches1.39 inchesNA1.39 inches1.5 inches or 1.65 inches
TouchNA
TypeLCDIPS LCDAMOLEDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305 ATM1 ATMNA1 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemAndroid WearNAAndroid WearWatchOS 9
Apps
Music

All Wearables