Polar M400 vs. Garmin Vivosmart HR vs. Polar Loop 2 vs. Apple Watch Series 5 vs. Fitbit Inspire HR

 
M400
Vivosmart HR
Loop 2
Watch Series 5
Inspire HR
 PolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowPolarLoop 2Remove Buy NowAppleWatch Series 5Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$200$170$120$329$99
Release20142015201520192019

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days8 days (without notifications)Not Yet5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68n/a384 x 480139 x 60
Sizen/a1.08 inchesn/a1.78 Inches1.4 inches
Touch
Typen/an/aLEDMicroLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM2 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWatchOS 5Fitbit OS
Apps
Music

All Wearables