Garmin Fenix 3 vs. Fitbit Flex 2 vs. Michael Kors Grayson vs. Pebble Core vs. Polar A370 vs. Michael Kors Grayson

 
Fenix 3
Flex 2
Grayson
Core
A370
Grayson
 GarminFenix 3Remove Buy NowFitbitFlex 2Remove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$500$100$350$99$179.95$350
Release201520162018201620172018

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks5 days24 hoursNAUp to 3 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution218 x 218n/a453 x 454NA160 x 80453x454
Size1.2 inchesn/a1.39 inchesNA1.18 inches1.39 inches
Touchn/aNA
TypeChroma LEDLEDAMOLEDNATFT LCDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM5 ATM1 ATMNAWR301 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables