Garmin Forerunner 225 vs. Polar M400 vs. Fitbit One vs. ASUS ZenWatch 3 vs. Casio WSD-F20A

 
Forerunner 225
M400
One
ZenWatch 3
WSD-F20A
 GarminForerunner 225Remove Buy NowPolarM400Remove Buy NowFitbitOneRemove Buy NowASUSZenWatch 3Remove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$300$200$100$229$399
Release20152014201220172018

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks8 hours to 30 days10-14 days48 hours1 day
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/an/a400 x 400320 x 320
Size1 inchn/an/a1.39 inches1.32 inches
Touch
Typen/an/aOLEDAMOLEDLCD

Functions

Audio Speaker22Alerts only
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMSplast Resistant5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

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

All Wearables