Apple Watch Series 3 vs. Polar M400 vs. Apple Watch Series 2 vs. Garmin Vivoactive 3 vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Watch Series 3
M400
Watch Series 2
Vivoactive 3
Grayson
Grayson
 AppleWatch Series 3Remove Buy NowPolarM400Remove Buy NowAppleWatch Series 2Remove Buy NowGarminVivoactive 3Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$329$200$269$299$350$350
Release201720142016201720182018

Activity & Fitness

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

Battery

Duration18 hours8 hours to 30 days18 hours7 days24 hours24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a340 x 272 or 390 x 312240 x 240453 x 454453x454
Size1.5 inches or 1.65 inchesn/a1.5 inches or 1.65 inches1.2 inches1.39 inches1.39 inches
Touch
TypeAMOLEDn/aAMOLEDMIPAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5ATM5 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aWatch OSAndroid WearAndroid Wear
Apps
Music

All Wearables