Polar M400 vs. Samsung Gear S3 vs. Fitbit Flex 2 vs. Withings Go vs. Pebble Core

 
M400
Gear S3
Flex 2
Go
Core
 PolarM400Remove Buy NowSamsungGear S3Remove Buy NowFitbitFlex 2Remove Buy NowWithingsGoRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$200$350$100$80$99
Release20142016201620162016

Activity & Fitness

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

Battery

Duration8 hours to 30 days4 days5 days8 monthsNA
Rechargeable

Compatibility

Androidn/a
iOSn/aNA
Windows Phonen/an/an/aNA
Macn/an/aNA
Windowsn/an/aNA

Connectivity

Bluetoothn/a
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Colorn/an/a
Resolutionn/a360 x 360n/an/aNA
Sizen/a1.3 inchesn/an/aNA
Touchn/an/aNA
Typen/aFullcolor AODLEDE-InkNA

Functions

Audio SpeakerAlerts only
Clock
Phonen/aNA
Vibrationn/aNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP685 ATM5 ATMNA

Notifications

Phonen/aNA
Emailsn/aNA
Textsn/aNA

Software

Operating Systemn/aTizenn/an/aNA
Appsn/a
Music

All Wearables