Polar M400 vs. Fitbit Flex 2 vs. Garmin Fenix 5 vs. Pebble Core vs. Garmin Forerunner 45

 
M400
Flex 2
Fenix 5
Core
Forerunner 45
 PolarM400Remove Buy NowFitbitFlex 2Remove Buy NowGarminFenix 5Remove Buy NowPebbleCoreRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$200$100$599.99$99$199
Release20142016201720162019

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days2 WeeksNA7 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a240 x 240NA208 x 208
Sizen/an/a1.2 inchesNA1.04 inches
Touchn/aNA
Typen/aLEDnaNALCD

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM10 ATMNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aNABuilt-in
Apps
Music

All Wearables