Fitbit Flex 2 vs. Polar M430 vs. Garmin 645 Music vs. Garmin Vivosmart 3 vs. Huawei Band 3 Pro

 
Flex 2
M430
645 Music
Vivosmart 3
Band 3 Pro
 FitbitFlex 2Remove Buy NowPolarM430Remove Buy NowGarmin645 MusicRemove Buy NowGarminVivosmart 3Remove Buy NowHuaweiBand 3 ProRemove Buy Now

Basic Info

Suggested Price$100$255$450$139.99$70
Release20162017201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days30 hours7 days5 days12 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128x128240 x 24064 x 128454 x 454
Sizen/a1.4 inch1.2 inchesNA1.39 inches
Touchn/a
TypeLEDLCDMIPOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR305 ATM5 ATMIP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAMAZFIT OS
Apps
Music

All Wearables