Polar M400 vs. ASUS ZenWatch 3 vs. Amazfit Cor vs. Jawbone UP4 vs. Fitbit Inspire HR

 
M400
ZenWatch 3
Cor
UP4
Inspire HR
 PolarM400Remove Buy NowASUSZenWatch 3Remove Buy NowAmazfitCorRemove Buy NowJawboneUP4Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$200$229$79.99$200$99
Release20142017201820152019

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours12 daysNA5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 40080 x 160NA139 x 60
Sizen/a1.39 inches1.23 inchesNA1.4 inches
TouchNA
Typen/aAMOLEDIPS LCDNAOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMNA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2NAFitbit OS
Apps
MusicNA

All Wearables