Polar M600 vs. Samsung Gear S2 vs. Fitbit Flex 2 vs. Michael Kors Grayson vs. Sony SmartBand vs. Michael Kors Grayson

 
M600
Gear S2
Flex 2
Grayson
SmartBand
Grayson
 PolarM600Remove Buy NowSamsungGear S2Remove Buy NowFitbitFlex 2Remove Buy NowMichael KorsGraysonRemove Buy NowSonySmartBandRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$330$300$100$350$100$350
Release201620152016201820142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days2-3 days5 days24 hours5 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Colorn/aNA
Resolution240 x 240360 x 360n/a453 x 454NA453x454
Size1.3 inches1.2 inchesn/a1.39 inchesNA1.39 inches
Touchn/an/aNA
TypeTFTSuper AMOLEDLEDAMOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IP685 ATM1 ATMIP581 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearTizenn/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables