Polar M400 vs. Amazfit Cor vs. Garmin Vivoactive 3 vs. Motorola Moto 360 (1st Gen) vs. Fitbit Alta HR

 
M400
Cor
Vivoactive 3
Moto 360 (1st Gen)
Alta HR
 PolarM400Remove Buy NowAmazfitCorRemove Buy NowGarminVivoactive 3Remove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$200$79.99$299$150$150
Release20142018201720142017

Activity & Fitness

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

Battery

Duration8 hours to 30 days12 days7 days1 day7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a80 x 160240 x 240320 x 260128 x 36
Sizen/a1.23 inches1.2 inches1.56 inches1.4 inches
Touch
Typen/aIPS LCDMIPLCDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATMIP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear
Apps
MusicNA

All Wearables