Fitbit Flex 2 vs. Fitbit One vs. Xiaomi Mi Band 3 vs. Garmin VivoActive 4

 
Flex 2
One
Mi Band 3
VivoActive 4
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowXiaomiMi Band 3Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$100$100$44.95$349
Release2016201220182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days20 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a128 x 80260 x 260
Sizen/an/a0.78 inches1.3ionches
Touchn/a
TypeLEDOLEDOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OS
Apps
Music

All Wearables