Apple Watch Series 3 vs. Polar A370 vs. Xiaomi Mi Band 3

 
Watch Series 3
A370
Mi Band 3
 AppleWatch Series 3Remove Buy NowPolarA370Remove Buy NowXiaomiMi Band 3Remove Buy Now

Basic Info

Suggested Price$329$179.95$44.95
Release201720172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hoursUp to 3 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312160 x 80128 x 80
Size1.5 inches or 1.65 inches1.18 inches0.78 inches
Touch
TypeAMOLEDTFT LCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4
Apps
Music

All Wearables