Polar M400 vs. Withings Steel HR vs. Garmin Fenix 5x Plus vs. Fitbit Flex vs. Fitbit Inspire 3

 
M400
Steel HR
Fenix 5x Plus
Flex
Inspire 3
 PolarM400Remove Buy NowWithingsSteel HRRemove Buy NowGarminFenix 5x PlusRemove Buy NowFitbitFlexRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$200$180$850$100$100
Release20142016201820132022

Activity & Fitness

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

Battery

Duration8 hours to 30 days25 days20 days5 days10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a240 x 240NA32x18
Sizen/an/a1.2 inchesNA46 inches
TouchNA
Typen/an/aMIPLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM10 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSNA
Apps
Music

All Wearables