Polar M400 vs. Garmin Vivoactive 3 vs. Garmin Vivofit 4 vs. Xiaomi Mi Band 3

 
M400
Vivoactive 3
Vivofit 4
Mi Band 3
 PolarM400Remove Buy NowGarminVivoactive 3Remove Buy NowGarminVivofit 4Remove Buy NowXiaomiMi Band 3Remove Buy Now

Basic Info

Suggested Price$200$299$79.95$44.95
Release2014201720182018

Activity & Fitness

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

Battery

Duration8 hours to 30 days7 days1 year20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 24088 x 88128 x 80
Sizen/a1.2 inchesNA0.78 inches
Touch
Typen/aMIPNAOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/a
Apps
Music

All Wearables