Garmin Vivoactive HR vs. Amazfit Stratos vs. Fitbit Flex vs. Garmin Vivofit 4 vs. Garmin Vivosmart 4

 
Vivoactive HR
Stratos
Flex
Vivofit 4
Vivosmart 4
 GarminVivoactive HRRemove Buy NowAmazfitStratosRemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$250$199$100$79.95$130
Release20162018201320182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days5 days5 days1 year7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution148 x 205320 x 300NA88 x 8848 x 128
Size1.38 inches1.34 inchesNANA0.74 inches
TouchNA
Typen/aOLEDLEDNAOLED

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