Fitbit Flex 2 vs. Xiaomi Mi Band 2 vs. Polar M430 vs. Michael Kors Grayson vs. Samsung Galaxy Watch vs. Michael Kors Grayson

 
Flex 2
Mi Band 2
M430
Grayson
Galaxy Watch
Grayson
 FitbitFlex 2Remove Buy NowXiaomiMi Band 2Remove Buy NowPolarM430Remove Buy NowMichael KorsGraysonRemove Buy NowSamsungGalaxy WatchRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$23$255$350$330$350
Release201620162017201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Stepsn/a
Swim

Battery

Duration5 days20 hours30 hours24 hours7 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a128x128453 x 454360 x 360453x454
Sizen/a0.42 inches1.4 inch1.39 inches1.2 inches or 1.3 inches1.39 inches
Touchn/a
TypeLEDOLEDLCDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP67WR301 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearTizen OSAndroid Wear
Apps
MusicSpotify

All Wearables