Garmin Forerunner 225 vs. Polar M400 vs. ASUS ZenWatch 3 vs. Apple Watch vs. Fitbit Alta HR

 
Forerunner 225
M400
ZenWatch 3
Watch
Alta HR
 GarminForerunner 225Remove Buy NowPolarM400Remove Buy NowASUSZenWatch 3Remove Buy NowAppleWatchRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$300$200$229$349$150
Release20152014201720152017

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks8 hours to 30 days48 hours18 hours7 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a400 x 400340 x 272 or 390 x 312128 x 36
Size1 inchn/a1.39 inches1.5 inches or 1.65 inches1.4 inches
Touch
Typen/an/aAMOLEDAMOLEDOLED

Functions

Audio Speaker22Alerts only
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIPX7

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aAndroid Wear 2Watch OS
Appsn/a
Musicn/a

All Wearables