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

 
M400
Gear S
Gear S3
Fenix 5x Plus
Flex
 PolarM400Remove Buy NowSamsungGear SRemove Buy NowSamsungGear S3Remove Buy NowGarminFenix 5x PlusRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$200$250$350$850$100
Release20142013201620182013

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a4 days20 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Color
Resolutionn/a480 x 360360 x 360240 x 240NA
Sizen/a2 inches1.3 inches1.2 inchesNA
TouchNA
Typen/aSuper AMOLEDFullcolor AODMIPLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP67IP6810 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenTizenWear OSNA
Apps
Music

All Wearables