Apple Watch Series 3 vs. Polar M400 vs. Amazfit Cor vs. Huawei Band 3 Pro vs. Apple Watch 7

 
Watch Series 3
M400
Cor
Band 3 Pro
Watch 7
 AppleWatch Series 3Remove Buy NowPolarM400Remove Buy NowAmazfitCorRemove Buy NowHuaweiBand 3 ProRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$329$200$79.99$70$429
Release20172014201820182021

Activity & Fitness

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

Battery

Duration18 hours8 hours to 30 days12 days12 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a80 x 160454 x 454396 x 484
Size1.5 inches or 1.65 inchesn/a1.23 inches1.39 inches1.9 inches
Touch
TypeAMOLEDn/aIPS LCDAMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATMIP68water resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aAMAZFIT OSWatchOS 8
Apps
Music

All Wearables