Polar M400 vs. Samsung Gear S vs. Fitbit Flex 2 vs. Garmin Vivosmart HR Plus vs. Pebble Core

 
M400
Gear S
Flex 2
Vivosmart HR Plus
Core
 PolarM400Remove Buy NowSamsungGear SRemove Buy NowFitbitFlex 2Remove Buy NowGarminVivosmart HR PlusRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$200$250$100$179$99
Release20142013201620172016

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a5 days5 daysNA
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/an/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a480 x 360n/a160 x 68NA
Sizen/a2 inchesn/a0.5 inches x 0.8 inchesNA
Touchn/aNA
Typen/aSuper AMOLEDLEDLCDNA

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP675 ATM5 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aTizenn/aNANA
Apps
Music

All Wearables