Polar M400 vs. Polar Loop 2 vs. Fitbit Ionic vs. Garmin Fenix 5X vs. Garmin VivoActive 4

 
M400
Loop 2
Ionic
Fenix 5X
VivoActive 4
 PolarM400Remove Buy NowPolarLoop 2Remove Buy NowFitbitIonicRemove Buy NowGarminFenix 5XRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$200$120$299$699$349
Release20142015201720172019

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 days (without notifications)4+ daysUp to 12 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a348x250240 x240260 x 260
Sizen/an/a1.421.2 inches1.3ionches
Touch
Typen/aLEDOLEDNAMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM2 ATM50m10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OSWear OS
Apps
Music

All Wearables