Garmin Vivosmart HR vs. Amazfit Stratos vs. Casio WSD-F20A vs. Fitbit Flex vs. Garmin Vivofit 4

 
Vivosmart HR
Stratos
WSD-F20A
Flex
Vivofit 4
 GarminVivosmart HRRemove Buy NowAmazfitStratosRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$170$199$399$100$79.95
Release20152018201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days1 day5 days1 year
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 68320 x 300320 x 320NA88 x 88
Size1.08 inches1.34 inches1.32 inchesNANA
TouchNA
Typen/aOLEDLCDLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryWear OSNA
Apps
Music

All Wearables