Polar M400 vs. Apple Watch Series 2 vs. Asus ZenWatch vs. Michael Kors Grayson vs. Mobvoi TicWatch E vs. Michael Kors Grayson

 
M400
Watch Series 2
ZenWatch
Grayson
TicWatch E
Grayson
 PolarM400Remove Buy NowAppleWatch Series 2Remove Buy NowAsusZenWatchRemove Buy NowMichael KorsGraysonRemove Buy NowMobvoiTicWatch ERemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$269$150$350$159$350
Release201420162014201820172018

Activity & Fitness

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

Battery

Duration8 hours to 30 days18 hoursNA24 hours1.5-2 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312320 x 320453 x 454400 x 400453x454
Sizen/a1.5 inches or 1.65 inches1.63 inches1.39 inches1.4 inches1.39 inches
Touch
Typen/aAMOLEDAMOLEDAMOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5ATMIP551 ATMIP671 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aWatch OSAndroid WearAndroid WearAndroid Wear 2.0Android Wear
Apps
Music

All Wearables