Garmin Forerunner 735XT vs. Garmin Vivosmart HR vs. Fitbit Flex vs. Garmin Vivosmart 3 vs. Garmin VivoActive 4

 
Forerunner 735XT
Vivosmart HR
Flex
Vivosmart 3
VivoActive 4
 GarminForerunner 735XTRemove Buy NowGarminVivosmart HRRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 3Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$450$170$100$139.99$349
Release20162015201320172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days5 days5 days5 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180160 x 68NA64 x 128260 x 260
Size1.23 inches1.08 inchesNANA1.3ionches
Touchn/aNA
Typen/an/aLEDOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWear OS
Apps
Music

All Wearables