Garmin Vivosmart HR vs. Amazfit Stratos vs. Fitbit Flex vs. Garmin Vivosport vs. Garmin Vivosmart 4

 
Vivosmart HR
Stratos
Flex
Vivosport
Vivosmart 4
 GarminVivosmart HRRemove Buy NowAmazfitStratosRemove Buy NowFitbitFlexRemove Buy NowGarminVivosportRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$170$199$100$199$130
Release20152018201320172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days5 days7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 68320 x 300NA72 x 14448 x 128
Size1.08 inches1.34 inchesNANA0.74 inches
TouchNA
Typen/aOLEDLEDMIPOLED

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/aProprietaryNA
Apps
Music

All Wearables