Polar M600 vs. Withings Steel HR vs. Michael Kors Grayson vs. Garmin Vivosmart 3 vs. Sony SmartBand vs. Michael Kors Grayson

 
M600
Steel HR
Grayson
Vivosmart 3
SmartBand
Grayson
 PolarM600Remove Buy NowWithingsSteel HRRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 3Remove Buy NowSonySmartBandRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$330$180$350$139.99$100$350
Release201620162018201720142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days25 days24 hours5 days5 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution240 x 240n/a453 x 45464 x 128NA453x454
Size1.3 inchesn/a1.39 inchesNANA1.39 inches
Touchn/aNA
TypeTFTn/aAMOLEDOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM1 ATM5 ATMIP581 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables