Polar M430 vs. Amazfit Cor vs. Casio G-Shock GBA800 vs. Fitbit Charge vs. Michael Kors Access Sofie HR

 
M430
Cor
G-Shock GBA800
Charge
Access Sofie HR
 PolarM430Remove Buy NowAmazfitCorRemove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitChargeRemove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$255$79.99$120$130$395
Release20172018201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours12 days2 years7-10 days2 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x12880 x 160NA390 x 390
Size1.4 inch1.23 inchesNA1.19 inches
TouchNA
TypeLCDIPS LCDOLEDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305 ATM20 ATM1 ATM0.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNAWear OS
Apps
Music

All Wearables