Garmin Fenix 3 vs. Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Michael Kors Grayson vs. Diesel On Full Guard 2.5 vs. Michael Kors Grayson

 
Fenix 3
Moto 360 (2nd Gen)
M400
Grayson
On Full Guard 2.5
Grayson
 GarminFenix 3Remove Buy NowMotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowMichael KorsGraysonRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$500$300$200$350$325$350
Release201520152014201820182018

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks1.5 days8 hours to 30 days24 hours4 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218360 x 325 or 360 x 330n/a453 x 454454x454453x454
Size1.2 inches1.37 inches or 1.56 inchesn/a1.39 inches1.39 inches1.39 inches
Touch
TypeChroma LEDLCDn/aAMOLEDAMOLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATMIP673 ATM1 ATM3 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aAndroid WearWear OSAndroid Wear
Apps
Musicn/a

All Wearables