Polar M400 vs. Amazfit Cor vs. Casio G-Shock GBA800 vs. Michael Kors Access Sofie HR vs. Huawei Band 3 Pro

 
M400
Cor
G-Shock GBA800
Access Sofie HR
Band 3 Pro
 PolarM400Remove Buy NowAmazfitCorRemove Buy NowCasioG-Shock GBA800Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowHuaweiBand 3 ProRemove Buy Now

Basic Info

Suggested Price$200$79.99$120$395$70
Release20142018201820192018

Activity & Fitness

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

Battery

Duration8 hours to 30 days12 days2 years2 days12 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a80 x 160390 x 390454 x 454
Sizen/a1.23 inches1.19 inches1.39 inches
Touch
Typen/aIPS LCDOMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM20 ATM0.3 ATMIP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSAMAZFIT OS
Apps
Music

All Wearables