Garmin Fenix 3 vs. Polar Loop 2 vs. Fitbit Charge 3 vs. Xiaomi Mi Band 3 vs. Garmin Vivosmart 4

 
Fenix 3
Loop 2
Charge 3
Mi Band 3
Vivosmart 4
 GarminFenix 3Remove Buy NowPolarLoop 2Remove Buy NowFitbitCharge 3Remove Buy NowXiaomiMi Band 3Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$500$120$150$44.95$130
Release20152015201820182018

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks8 days (without notifications)7 days20 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution218 x 218n/a66 x 18128 x 8048 x 128
Size1.2 inchesn/a.721 inches0.78 inches0.74 inches
Touch
TypeChroma LEDLEDOLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM2 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNA
Apps
Music

All Wearables