Polar M400 vs. Garmin Fenix 5x Plus vs. Fitbit Flex vs. Pebble Core vs. Apple Watch 8

 
M400
Fenix 5x Plus
Flex
Core
Watch 8
 PolarM400Remove Buy NowGarminFenix 5x PlusRemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$200$850$100$99$499
Release20142018201320162022

Activity & Fitness

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

Battery

Duration8 hours to 30 days20 days5 daysNA18 hrs
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240NANA340 x 272 or 390 x 312
Sizen/a1.2 inchesNANA1.5 inches or 1.65 inches
TouchNANA
Typen/aMIPLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM10 ATM1 ATMNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aWear OSNANAWatchOS 9
Apps
Music

All Wearables