Polar M400 vs. Samsung Gear S vs. Garmin Fenix 5x Plus vs. Fitbit Flex

 
M400
Gear S
Fenix 5x Plus
Flex
 PolarM400Remove Buy NowSamsungGear SRemove Buy NowGarminFenix 5x PlusRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$200$250$850$100
Release2014201320182013

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a20 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 360240 x 240NA
Sizen/a2 inches1.2 inchesNA
TouchNA
Typen/aSuper AMOLEDMIPLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP6710 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenWear OSNA
Apps
Music

All Wearables