Garmin Forerunner 225 vs. Polar M400 vs. Apple Watch Series 2 vs. Casio WSD-F20A vs. Pebble Core

 
Forerunner 225
M400
Watch Series 2
WSD-F20A
Core
 GarminForerunner 225Remove Buy NowPolarM400Remove Buy NowAppleWatch Series 2Remove Buy NowCasioWSD-F20ARemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$300$200$269$399$99
Release20152014201620182016

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks8 hours to 30 days18 hours1 dayNA
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a340 x 272 or 390 x 312320 x 320NA
Size1 inchn/a1.5 inches or 1.65 inches1.32 inchesNA
TouchNA
Typen/an/aAMOLEDLCDNA

Functions

Audio Speaker22Alerts only
Clock
Phonen/aNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5ATM5 ATMNA

Notifications

Phonen/aNA
Emailsn/aNA
Textsn/aNA

Software

Operating Systemn/an/aWatch OSWear OSNA
Appsn/a
Musicn/a

All Wearables