Fitbit Flex 2 vs. Garmin Vivoactive 3 vs. Garmin Vivofit 4 vs. Polar Loop vs. Xiaomi Mi Band

 
Flex 2
Vivoactive 3
Vivofit 4
Loop
Mi Band
 FitbitFlex 2Remove Buy NowGarminVivoactive 3Remove Buy NowGarminVivofit 4Remove Buy NowPolarLoopRemove Buy NowXiaomiMi BandRemove Buy Now

Basic Info

Suggested Price$100$299$79.95$100$15
Release20162017201820132015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days1 year5 days30 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolutionn/a240 x 24088 x 88NANA
Sizen/a1.2 inchesNANANA
Touchn/aNA
TypeLEDMIPNALEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM2 ATMIP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANA
Apps
Music

All Wearables