Polar M400 vs. Misfit Ray vs. Michael Kors Grayson vs. Microsoft Band vs. Michael Kors Grayson vs. Apple Watch 8

 
M400
Ray
Grayson
Band
Grayson
Watch 8
 PolarM400Remove Buy NowMisfitRayRemove Buy NowMichael KorsGraysonRemove Buy NowMicrosoftBandRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$200$100$350$200$350$499
Release201420162018201420182022

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months24 hours2 days24 hours18 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a453 x 454320 x 106453x454340 x 272 or 390 x 312
Sizen/an/a1.39 inches1.37 inches1.39 inches1.5 inches or 1.65 inches
Touchn/a
Typen/aLEDAMOLEDCapacitative TFTAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearNAAndroid WearWatchOS 9
Apps
Music

All Wearables