Polar M400 vs. Asus ZenWatch vs. Michael Kors Grayson vs. Mobvoi TicWatch S vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
M400
ZenWatch
Grayson
TicWatch S
Grayson
Vivosmart 4
 PolarM400Remove Buy NowAsusZenWatchRemove Buy NowMichael KorsGraysonRemove Buy NowMobvoiTicWatch SRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$200$150$350$199$350$130
Release201420142018201720182018

Activity & Fitness

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

Battery

Duration8 hours to 30 daysNA24 hours1.5-2 days24 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320453 x 454400 x 400453x45448 x 128
Sizen/a1.63 inches1.39 inches1.4 inches1.39 inches0.74 inches
Touch
Typen/aAMOLEDAMOLEDOLEDAMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP551 ATMIP671 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearAndroid WearAndroid Wear 2.0Android Wear
Apps
Music

All Wearables