Polar M400 vs. Diesel On Full Guard vs. Michael Kors Grayson vs. Mobvoi TicWatch E vs. Fitbit Charge HR vs. Michael Kors Grayson

 
M400
On Full Guard
Grayson
TicWatch E
Charge HR
Grayson
 PolarM400Remove Buy NowDieselOn Full GuardRemove Buy NowMichael KorsGraysonRemove Buy NowMobvoiTicWatch ERemove Buy NowFitbitCharge HRRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$325$350$159$150$350
Release201420172018201720152018

Activity & Fitness

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

Battery

Duration8 hours to 30 days1 day24 hours1.5-2 days5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a454 x 454453 x 454400 x 400NA453x454
Sizen/a1.4 inches1.39 inches1.4 inchesNA1.39 inches
TouchNA
Typen/aOMOLEDAMOLEDOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

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

All Wearables