Polar M400 vs. Samsung Gear S2 vs. Samsung Galaxy Watch vs. Polar A370 vs. Fitbit Inspire 3

 
M400
Gear S2
Galaxy Watch
A370
Inspire 3
 PolarM400Remove Buy NowSamsungGear S2Remove Buy NowSamsungGalaxy WatchRemove Buy NowPolarA370Remove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$200$300$330$179.95$100
Release20142015201820172022

Activity & Fitness

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

Battery

Duration8 hours to 30 days2-3 days7 daysUp to 3 days10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/aNA
GPSn/a
NFC
Wi-Fi

Display

Color
Resolutionn/a360 x 360360 x 360160 x 8032x18
Sizen/a1.2 inches1.2 inches or 1.3 inches1.18 inches46 inches
Touch
Typen/aSuper AMOLEDAMOLEDTFT LCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP685 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenTizen OS
Apps
MusicSpotify

All Wearables