Apple Watch Series 3 vs. ASUS ZenWatch 2 vs. Garmin Forerunner 225 vs. Polar M400 vs. Apple Watch Series 4

 
Watch Series 3
ZenWatch 2
Forerunner 225
M400
Watch Series 4
 AppleWatch Series 3Remove Buy NowASUSZenWatch 2Remove Buy NowGarminForerunner 225Remove Buy NowPolarM400Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$329$150$300$200$329
Release20172016201520142018

Activity & Fitness

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

Battery

Duration18 hoursn/a10 hours to 4 weeks8 hours to 30 daysNot Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312320 x 320180 x 180n/a384 x 480
Size1.5 inches or 1.65 inches1.63 inches or 1.45 inch1 inchn/a1.78 inches
Touch
TypeAMOLEDAMOLEDn/an/aMicroLED

Functions

Audio Speaker22Alerts only
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM3 ATMNot Yet

Notifications

Phonen/a
Emailsn/an/a
Textsn/an/a

Software

Operating SystemWatchOS 4Android Wearn/an/aWatch OS 5
Appsn/a
Musicn/a

All Wearables