Polar M400 vs. Garmin Forerunner 235 vs. Garmin Vivoactive 3 vs. Fitbit Flex vs. Pebble Core

 
M400
Forerunner 235
Vivoactive 3
Flex
Core
 PolarM400Remove Buy NowGarminForerunner 235Remove Buy NowGarminVivoactive 3Remove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$200$299.99$299$100$99
Release20142017201720132016

Activity & Fitness

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

Battery

Duration8 hours to 30 days9 days7 days5 daysNA
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a215 x 180240 x 240NANA
Sizen/a1.23 inches1.2 inchesNANA
TouchNANA
Typen/aMIPMIPLEDNA

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATM1 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aNANA
Apps
Music

All Wearables