Fitbit Flex 2 vs. Polar M430 vs. Garmin 645 Music vs. Misfit Shine vs. Xiaomi Mi Band 4

 
Flex 2
M430
645 Music
Shine
Mi Band 4
 FitbitFlex 2Remove Buy NowPolarM430Remove Buy NowGarmin645 MusicRemove Buy NowMisfitShineRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$100$255$450$70$25
Release20162017201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days30 hours7 days6 months20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolutionn/a128x128240 x 240NA120x240
Sizen/a1.4 inch1.2 inchesNA0.95 inches
Touchn/aNA
TypeLEDLCDMIPNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR305 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAAMAZFIT OS
Apps
Music

All Wearables