Polar M400 vs. Michael Kors Grayson vs. Samsung Galaxy Watch vs. Jawbone UP2 vs. Michael Kors Grayson vs. Fitbit Sense 2

 
M400
Grayson
Galaxy Watch
UP2
Grayson
Sense 2
 PolarM400Remove Buy NowMichael KorsGraysonRemove Buy NowSamsungGalaxy WatchRemove Buy NowJawboneUP2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$200$350$330$100$350$300
Release201420182018201520182022

Activity & Fitness

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

Battery

Duration8 hours to 30 days24 hours7 days7 days24 hours6 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454360 x 360NA453x454336x336
Sizen/a1.39 inches1.2 inches or 1.3 inchesNA1.39 inches1.59 inches
TouchNA
Typen/aAMOLEDAMOLEDNAAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM1 ATM5 ATMSplash resistant1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearTizen OSNAAndroid Wear
Apps
MusicSpotify

All Wearables