Polar M400 vs. Amazfit Cor vs. Samsung Galaxy Watch vs. Fitbit Inspire HR vs. Apple Watch 8

 
M400
Cor
Galaxy Watch
Inspire HR
Watch 8
 PolarM400Remove Buy NowAmazfitCorRemove Buy NowSamsungGalaxy WatchRemove Buy NowFitbitInspire HRRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$200$79.99$330$99$499
Release20142018201820192022

Activity & Fitness

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

Battery

Duration8 hours to 30 days12 days7 days5 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a80 x 160360 x 360139 x 60340 x 272 or 390 x 312
Sizen/a1.23 inches1.2 inches or 1.3 inches1.4 inches1.5 inches or 1.65 inches
Touch
Typen/aIPS LCDAMOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizen OSFitbit OSWatchOS 9
Apps
MusicSpotify

All Wearables