Polar M400 vs. Apple Watch Series 2 vs. ASUS ZenWatch 3 vs. Garmin Fenix 5 vs. Fitbit Charge 3

 
M400
Watch Series 2
ZenWatch 3
Fenix 5
Charge 3
 PolarM400Remove Buy NowAppleWatch Series 2Remove Buy NowASUSZenWatch 3Remove Buy NowGarminFenix 5Remove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$200$269$229$599.99$150
Release20142016201720172018

Activity & Fitness

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

Battery

Duration8 hours to 30 days18 hours48 hours2 Weeks7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

BluetoothYes
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312400 x 400240 x 24066 x 18
Sizen/a1.5 inches or 1.65 inches1.39 inches1.2 inches.721 inches
Touch
Typen/aAMOLEDAMOLEDnaOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSAndroid Wear 2NA
Apps
Music

All Wearables