Polar M400 vs. TomTom Adventurer vs. ASUS ZenWatch 3 vs. Michael Kors Grayson vs. Samsung Gear 2 vs. Michael Kors Grayson

 
M400
Adventurer
ZenWatch 3
Grayson
Gear 2
Grayson
 PolarM400Remove Buy NowTomTomAdventurerRemove Buy NowASUSZenWatch 3Remove Buy NowMichael KorsGraysonRemove Buy NowSamsungGear 2Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$350$229$350$300$350
Release201420162017201820142018

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a48 hours24 hours2-3 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a400 x 400453 x 454320 x 320453x454
Sizen/an/a1.39 inches1.39 inches1.63 inches1.39 inches
Touch
Typen/an/aAMOLEDAMOLEDSuper AMOLEDAMOLED

Functions

Audio SpeakerAlerts onlyBluetoothBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aAndroid Wear 2Android WearTizen OSAndroid Wear
Apps
Music

All Wearables