Polar M400 vs. Garmin Fenix 5x Plus vs. Michael Kors Access Sofie vs. Fitbit Flex

 
M400
Fenix 5x Plus
Access Sofie
Flex
 PolarM400Remove Buy NowGarminFenix 5x PlusRemove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$200$850$395$100
Release2014201820172013

Activity & Fitness

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

Battery

Duration8 hours to 30 days20 days1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240390 x 390 1.19 inchesNA
Sizen/a1.2 inchesNA
TouchAMOLDEDNA
Typen/aMIPLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM10 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSAndroid Wear 2.0NA
Apps
Music

All Wearables