Polar M400 vs. Amazfit Cor vs. Asus ZenWatch vs. Michael Kors Grayson vs. Pebble Time 2 vs. Michael Kors Grayson

 
M400
Cor
ZenWatch
Grayson
Time 2
Grayson
 PolarM400Remove Buy NowAmazfitCorRemove Buy NowAsusZenWatchRemove Buy NowMichael KorsGraysonRemove Buy NowPebbleTime 2Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$79.99$150$350$199$350
Release201420182014201820162018

Activity & Fitness

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

Battery

Duration8 hours to 30 days12 daysNA24 hours10 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a80 x 160320 x 320453 x 454NA453x454
Sizen/a1.23 inches1.63 inches1.39 inchesNA1.39 inches
Touch
Typen/aIPS LCDAMOLEDAMOLEDe-paperAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP551 ATM3 ATM1 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearAndroid WearPebble OSAndroid Wear
Apps
Music

All Wearables