Apple Watch Series 2 vs. Amazfit Cor vs. Polar A370 vs. Apple Watch Series 4

 
Watch Series 2
Cor
A370
Watch Series 4
 AppleWatch Series 2Remove Buy NowAmazfitCorRemove Buy NowPolarA370Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$269$79.99$179.95$329
Release2016201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours12 daysUp to 3 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 31280 x 160160 x 80384 x 480
Size1.5 inches or 1.65 inches1.23 inches1.18 inches1.78 inches
Touch
TypeAMOLEDIPS LCDTFT LCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATM5 ATMWR30Not Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSWatch OS 5
Apps
Music

All Wearables