Polar M400 vs. Samsung Gear S3 vs. Garmin Fenix 5x Plus vs. Fitbit Flex vs. Garmin Vivosmart 3

 
M400
Gear S3
Fenix 5x Plus
Flex
Vivosmart 3
 PolarM400Remove Buy NowSamsungGear S3Remove Buy NowGarminFenix 5x PlusRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 3Remove Buy Now

Basic Info

Suggested Price$200$350$850$100$139.99
Release20142016201820132017

Activity & Fitness

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

Battery

Duration8 hours to 30 days4 days20 days5 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Color
Resolutionn/a360 x 360240 x 240NA64 x 128
Sizen/a1.3 inches1.2 inchesNANA
TouchNA
Typen/aFullcolor AODMIPLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP6810 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenWear OSNA
Apps
Music

All Wearables