Polar M400 vs. Polar V800 vs. ASUS ZenWatch 3 vs. Amazfit Cor vs. Fitbit Alta HR

 
M400
V800
ZenWatch 3
Cor
Alta HR
 PolarM400Remove Buy NowPolarV800Remove Buy NowASUSZenWatch 3Remove Buy NowAmazfitCorRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$200$470$229$79.99$150
Release20142014201720182017

Activity & Fitness

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

Battery

Duration8 hours to 30 days13 hours to 30 days48 hours12 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a400 x 40080 x 160128 x 36
Sizen/an/a1.39 inches1.23 inches1.4 inches
Touch
Typen/an/aAMOLEDIPS LCDOLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2
Apps
Music

All Wearables