Polar M400 vs. New Balance RunIQ vs. Garmin Fenix 5x Plus vs. Fitbit Flex vs. Apple Series 6

 
M400
RunIQ
Fenix 5x Plus
Flex
Series 6
 PolarM400Remove Buy NowNew BalanceRunIQRemove Buy NowGarminFenix 5x PlusRemove Buy NowFitbitFlexRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$200$299$850$100$399
Release20142017201820132020

Activity & Fitness

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

Battery

Duration8 hours to 30 days24 hours (5 hrs w GPS and heart rate)20 days5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400240 x 240NA384 x 480
Sizen/a1.39 inches1.2 inchesNA40mm
TouchNA
Typen/aAMOLEDMIPLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance3 ATM5 ATM10 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 1.5Wear OSNAWatchOS 5
Apps
Music

All Wearables