Polar M400 vs. Fitbit Flex 2 vs. Garmin Fenix 5s vs. Polar Loop vs. Apple Watch Series 5

 
M400
Flex 2
Fenix 5s
Loop
Watch Series 5
 PolarM400Remove Buy NowFitbitFlex 2Remove Buy NowGarminFenix 5sRemove Buy NowPolarLoopRemove Buy NowAppleWatch Series 5Remove Buy Now

Basic Info

Suggested Price$200$100$599.99$100$329
Release20142016201720132019

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 daysUp to 9 days5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a218x 218NA384 x 480
Sizen/an/a1.1 inchesNA1.78 Inches
Touchn/a
Typen/aLEDnaLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM10ATM2 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWatchOS 5
Apps
Music

All Wearables