Polar V800 vs. Fitbit Charge 2 vs. Michael Kors Grayson vs. Fitbit Charge HR vs. Garmin Forerunner 45 vs. Michael Kors Grayson

 
V800
Charge 2
Grayson
Charge HR
Forerunner 45
Grayson
 PolarV800Remove Buy NowFitbitCharge 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge HRRemove Buy NowGarminForerunner 45Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$470$150$350$150$199$350
Release201420162018201520192018

Activity & Fitness

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

Battery

Duration13 hours to 30 days5 days24 hours5 days7 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a453 x 454NA208 x 208453x454
Sizen/an/a1.39 inchesNA1.04 inches1.39 inches
Touchn/aNA
Typen/aOLEDAMOLEDOLEDLCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/a1 ATM1 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearNABuilt-inAndroid Wear
Apps
Music

All Wearables