Polar M400 vs. Diesel On Full Guard vs. Michael Kors Grayson vs. Diesel On Full Guard 2.5 vs. Michael Kors Grayson vs. Garmin VivoActive 4

 
M400
On Full Guard
Grayson
On Full Guard 2.5
Grayson
VivoActive 4
 PolarM400Remove Buy NowDieselOn Full GuardRemove Buy NowMichael KorsGraysonRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$200$325$350$325$350$349
Release201420172018201820182019

Activity & Fitness

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

Battery

Duration8 hours to 30 days1 day24 hours4 days24 hours8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a454 x 454453 x 454454x454453x454260 x 260
Sizen/a1.4 inches1.39 inches1.39 inches1.39 inches1.3ionches
Touch
Typen/aOMOLEDAMOLEDAMOLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP671 ATM3 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0Android WearWear OSAndroid WearWear OS
Apps
Music

All Wearables