Polar M430 vs. Amazfit Cor vs. Diesel On Full Guard vs. Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson

 
M430
Cor
On Full Guard
Grayson
A370
Grayson
 PolarM430Remove Buy NowAmazfitCorRemove Buy NowDieselOn Full GuardRemove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$255$79.99$325$350$179.95$350
Release201720182017201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours12 days1 day24 hoursUp to 3 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x12880 x 160454 x 454453 x 454160 x 80453x454
Size1.4 inch1.23 inches1.4 inches1.39 inches1.18 inches1.39 inches
Touch
TypeLCDIPS LCDOMOLEDAMOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305 ATMIP671 ATMWR301 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2.0Android WearAndroid Wear
Apps
Music

All Wearables