Apple Watch Series 3 vs. Polar M400 vs. Asus ZenWatch vs. Samsung Galaxy Watch vs. Apple Watch 7

 
Watch Series 3
M400
ZenWatch
Galaxy Watch
Watch 7
 AppleWatch Series 3Remove Buy NowPolarM400Remove Buy NowAsusZenWatchRemove Buy NowSamsungGalaxy WatchRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$329$200$150$330$429
Release20172014201420182021

Activity & Fitness

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

Battery

Duration18 hours8 hours to 30 daysNA7 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a320 x 320360 x 360396 x 484
Size1.5 inches or 1.65 inchesn/a1.63 inches1.2 inches or 1.3 inches1.9 inches
Touch
TypeAMOLEDn/aAMOLEDAMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIP555 ATMwater resistant but not waterproof

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemWatchOS 4n/aAndroid WearTizen OSWatchOS 8
Apps
MusicSpotify

All Wearables