Polar M400 vs. Amazfit Cor vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Apple SE (2022)

 
M400
Cor
Forerunner 235
Flex
SE (2022)
 PolarM400Remove Buy NowAmazfitCorRemove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowAppleSE (2022)Remove Buy Now

Basic Info

Suggested Price$200$79.99$299.99$100$249
Release20142018201720132022

Activity & Fitness

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

Battery

Duration8 hours to 30 days12 days9 days5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color368 x 448 pixels
Resolutionn/a80 x 160215 x 180NA40mm
Sizen/a1.23 inches1.23 inchesNA
TouchNALTPO OLED Retina
Typen/aIPS LCDMIPLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter5 ATM
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATM1 ATM

Notifications

Phone
EmailsWatchOS 8.1
Texts

Software

Operating Systemn/aNA
Apps
Music

All Wearables