Garmin Forerunner 225 vs. Polar M400 vs. Samsung Gear S2 vs. Apple Watch vs. Fitbit Alta HR

 
Forerunner 225
M400
Gear S2
Watch
Alta HR
 GarminForerunner 225Remove Buy NowPolarM400Remove Buy NowSamsungGear S2Remove Buy NowAppleWatchRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$300$200$300$349$150
Release20152014201520152017

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks8 hours to 30 days2-3 days18 hours7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a360 x 360340 x 272 or 390 x 312128 x 36
Size1 inchn/a1.2 inches1.5 inches or 1.65 inches1.4 inches
Touch
Typen/an/aSuper AMOLEDAMOLEDOLED

Functions

Audio Speaker22Alerts only
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIP68IPX7

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aTizenWatch OS
Appsn/a
Musicn/a

All Wearables