Polar M400 vs. Misfit Ray vs. Amazfit Cor vs. Casio G-Shock GBA800 vs. Fitbit Alta HR

 
M400
Ray
Cor
G-Shock GBA800
Alta HR
 PolarM400Remove Buy NowMisfitRayRemove Buy NowAmazfitCorRemove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$200$100$79.99$120$150
Release20142016201820182017

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months12 days2 years7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a80 x 160128 x 36
Sizen/an/a1.23 inches1.4 inches
Touchn/a
Typen/aLEDIPS LCDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATM20 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/a
Apps
Music

All Wearables