Polar V800 vs. Fitbit Charge 2 vs. Fitbit Flex vs. Xiaomi Mi Band 3

 
V800
Charge 2
Flex
Mi Band 3
 PolarV800Remove Buy NowFitbitCharge 2Remove Buy NowFitbitFlexRemove Buy NowXiaomiMi Band 3Remove Buy Now

Basic Info

Suggested Price$470$150$100$44.95
Release2014201620132018

Activity & Fitness

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

Battery

Duration13 hours to 30 days5 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/aNA128 x 80
Sizen/an/aNA0.78 inches
Touchn/aNA
Typen/aOLEDLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/a1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNA
Apps
Music

All Wearables