Polar M400 vs. Polar Loop 2 vs. Garmin Fenix 5 vs. Apple SE

 
M400
Loop 2
Fenix 5
SE
 PolarM400Remove Buy NowPolarLoop 2Remove Buy NowGarminFenix 5Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$200$120$599.99$279
Release2014201520172020

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 days (without notifications)2 Weeks18 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a240 x 240384 x 480
Sizen/an/a1.2 inches40mm
Touch
Typen/aLEDnaMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance3 ATM2 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatchOS 5
Apps
Music

All Wearables