Garmin Forerunner 225 vs. Polar M400 vs. Amazfit Cor vs. Samsung Galaxy Watch vs. Fitbit Alta HR

 
Forerunner 225
M400
Cor
Galaxy Watch
Alta HR
 GarminForerunner 225Remove Buy NowPolarM400Remove Buy NowAmazfitCorRemove Buy NowSamsungGalaxy WatchRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$300$200$79.99$330$150
Release20152014201820182017

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks8 hours to 30 days12 days7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a80 x 160360 x 360128 x 36
Size1 inchn/a1.23 inches1.2 inches or 1.3 inches1.4 inches
Touch
Typen/an/aIPS LCDAMOLEDOLED

Functions

Audio Speaker22Alerts only
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aTizen OS
Appsn/a
Musicn/aSpotify

All Wearables