Polar M400 vs. Garmin Vivosmart HR vs. Michael Kors Grayson vs. LG G Watch R vs. Michael Kors Grayson vs. Apple SE (2022)

 
M400
Vivosmart HR
Grayson
G Watch R
Grayson
SE (2022)
 PolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowMichael KorsGraysonRemove Buy NowLGG Watch RRemove Buy NowMichael KorsGraysonRemove Buy NowAppleSE (2022)Remove Buy Now

Basic Info

Suggested Price$200$170$350$300$350$249
Release201420152018201420182022

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days24 hours2 days24 hoursNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color368 x 448 pixels
Resolutionn/a160 x 68453 x 454320 x 320453x45440mm
Sizen/a1.08 inches1.39 inches1.3 inches1.39 inches
TouchLTPO OLED Retina
Typen/an/aAMOLEDP-OLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter5 ATM
Ultraviolet Sensor
Water Resistance3 ATM5 ATM1 ATMIP671 ATM

Notifications

Phone
EmailsWatchOS 8.1
Texts

Software

Operating Systemn/an/aAndroid WearAndroid WearAndroid Wear
Apps
Music

All Wearables