Polar M400 vs. Amazfit Cor vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Huawei Band 3 Pro

 
M400
Cor
Forerunner 235
Flex
Band 3 Pro
 PolarM400Remove Buy NowAmazfitCorRemove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowHuaweiBand 3 ProRemove Buy Now

Basic Info

Suggested Price$200$79.99$299.99$100$70
Release20142018201720132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 hours to 30 days12 days9 days5 days12 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a80 x 160215 x 180NA454 x 454
Sizen/a1.23 inches1.23 inchesNA1.39 inches
TouchNA
Typen/aIPS LCDMIPLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATM1 ATMIP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAAMAZFIT OS
Apps
Music

All Wearables