Fitbit Flex 2 vs. Garmin Vivosmart vs. Fitbit Charge 3 vs. Garmin Vivosmart 3 vs. Garmin VivoActive 4

 
Flex 2
Vivosmart
Charge 3
Vivosmart 3
VivoActive 4
 FitbitFlex 2Remove Buy NowGarminVivosmartRemove Buy NowFitbitCharge 3Remove Buy NowGarminVivosmart 3Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$100$170$150$139.99$349
Release20162014201820172019

Activity & Fitness

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

Battery

Duration5 days7 days7 days5 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 1666 x 1864 x 128260 x 260
Sizen/a1.41 inches.721 inchesNA1.3ionches
Touchn/a
TypeLEDOLEDOLEDOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWear OS
Apps
Music

All Wearables