Polar M400 vs. Garmin Fenix 5X vs. Apple Watch Series 5 vs. Garmin Forerunner 45 vs. Fitbit Inspire 3

 
M400
Fenix 5X
Watch Series 5
Forerunner 45
Inspire 3
 PolarM400Remove Buy NowGarminFenix 5XRemove Buy NowAppleWatch Series 5Remove Buy NowGarminForerunner 45Remove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$200$699$329$199$100
Release20142017201920192022

Activity & Fitness

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

Battery

Duration8 hours to 30 daysUp to 12 daysNot Yet7 days10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x240384 x 480208 x 20832x18
Sizen/a1.2 inches1.78 Inches1.04 inches46 inches
Touch
Typen/aNAMicroLEDLCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM10 ATMNot Yet5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatchOS 5Built-in
Apps
Music

All Wearables