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

 
Charge 2
Flex 2
Flex
Vivosmart 4
VivoActive 4
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$150$100$100$130$349
Release20162016201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days5 days7 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/aNA48 x 128260 x 260
Sizen/an/aNA0.74 inches1.3ionches
Touchn/an/aNA
TypeOLEDLEDLEDOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWear OS
Apps
Music

All Wearables