Garmin Fenix 3 vs. Polar M400 vs. Apple Watch vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson

 
Fenix 3
M400
Watch
Grayson
Core
Grayson
 GarminFenix 3Remove Buy NowPolarM400Remove Buy NowAppleWatchRemove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$500$200$349$350$99$350
Release201520142015201820162018

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks8 hours to 30 days18 hours24 hoursNA24 hours
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218n/a340 x 272 or 390 x 312453 x 454NA453x454
Size1.2 inchesn/a1.5 inches or 1.65 inches1.39 inchesNA1.39 inches
TouchNA
TypeChroma LEDn/aAMOLEDAMOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM3 ATMIPX71 ATMNA1 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aWatch OSAndroid WearNAAndroid Wear
Apps
Music

All Wearables