Polar M400 vs. Apple Watch vs. Garmin Fenix 5X vs. Polar A370 vs. Fitbit Inspire 3

 
M400
Watch
Fenix 5X
A370
Inspire 3
 PolarM400Remove Buy NowAppleWatchRemove Buy NowGarminFenix 5XRemove Buy NowPolarA370Remove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$200$349$699$179.95$100
Release20142015201720172022

Activity & Fitness

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

Battery

Duration8 hours to 30 days18 hoursUp to 12 daysUp to 3 days10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312240 x240160 x 8032x18
Sizen/a1.5 inches or 1.65 inches1.2 inches1.18 inches46 inches
Touch
Typen/aAMOLEDNATFT LCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX710 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OS
Apps
Music

All Wearables