Polar M400 vs. Polar M600 vs. Amazfit Cor vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Apple SE

 
M400
M600
Cor
Grayson
Grayson
SE
 PolarM400Remove Buy NowPolarM600Remove Buy NowAmazfitCorRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$200$330$79.99$350$350$279
Release201420162018201820182020

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days12 days24 hours24 hours18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 24080 x 160453 x 454453x454384 x 480
Sizen/a1.3 inches1.23 inches1.39 inches1.39 inches40mm
Touchn/a
Typen/aTFTIPS LCDAMOLEDAMOLEDMicroLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance3 ATMIPX85 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid WearAndroid WearWatchOS 5
Apps
Music

All Wearables