Polar V800 vs. Moov Now vs. Xiaomi Mi Band 4 vs. Garmin Vivosmart 4

 
V800
Now
Mi Band 4
Vivosmart 4
 PolarV800Remove Buy NowMoovNowRemove Buy NowXiaomiMi Band 4Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$470$79$25$130
Release2014201520192018

Activity & Fitness

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

Battery

Duration13 hours to 30 days6 months20 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a120x24048 x 128
Sizen/an/a0.95 inches0.74 inches
Touchn/a
Typen/an/aAMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMn/a5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAMAZFIT OS
Apps
Music

All Wearables