Polar M400 vs. Asus ZenWatch vs. Samsung Galaxy Watch vs. Fossil Gen 5 Smartwatch Carlyle vs. Apple Watch 7

 
M400
ZenWatch
Galaxy Watch
Gen 5 Smartwatch Carlyle
Watch 7
 PolarM400Remove Buy NowAsusZenWatchRemove Buy NowSamsungGalaxy WatchRemove Buy NowFossilGen 5 Smartwatch CarlyleRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$200$150$330$295$429
Release20142014201820192021

Activity & Fitness

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

Battery

Duration8 hours to 30 daysNA7 days1 day18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320360 x 360328 x 328396 x 484
Sizen/a1.63 inches1.2 inches or 1.3 inches1.3 inches1.9 inches
Touch
Typen/aAMOLEDAMOLEDAMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP555 ATM3 ATMwater resistant but not waterproof

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearTizen OSWear OSWatchOS 8
Apps
MusicSpotify

All Wearables