Polar M400 vs. Fitbit Flex 2 vs. Garmin Fenix 5s vs. Samsung Galaxy Watch vs. Apple SE

 
M400
Flex 2
Fenix 5s
Galaxy Watch
SE
 PolarM400Remove Buy NowFitbitFlex 2Remove Buy NowGarminFenix 5sRemove Buy NowSamsungGalaxy WatchRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$200$100$599.99$330$279
Release20142016201720182020

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 daysUp to 9 days7 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a218x 218360 x 360384 x 480
Sizen/an/a1.1 inches1.2 inches or 1.3 inches40mm
Touchn/a
Typen/aLEDnaAMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance3 ATM5 ATM10ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aTizen OSWatchOS 5
Apps
MusicSpotify

All Wearables