Polar M400 vs. Samsung Gear S3 vs. Misfit Speedo Shine 2 vs. Fitbit Flex vs. Garmin Vivosmart 4

 
M400
Gear S3
Speedo Shine 2
Flex
Vivosmart 4
 PolarM400Remove Buy NowSamsungGear S3Remove Buy NowMisfitSpeedo Shine 2Remove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$200$350$80$100$130
Release20142016201620132018

Activity & Fitness

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

Battery

Duration8 hours to 30 days4 days6 months5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Colorn/a
Resolutionn/a360 x 360n/aNA48 x 128
Sizen/a1.3 inchesn/aNA0.74 inches
Touchn/aNA
Typen/aFullcolor AODn/aLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP685 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenn/aNA
Apps
Music

All Wearables