Amazfit Stratos vs. Casio WSD-F20A vs. Garmin Vivofit 4 vs. Garmin Vivosmart 3 vs. Amazfit GTR

 
Stratos
WSD-F20A
Vivofit 4
Vivosmart 3
GTR
 AmazfitStratosRemove Buy NowCasioWSD-F20ARemove Buy NowGarminVivofit 4Remove Buy NowGarminVivosmart 3Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$199$399$79.95$139.99$199
Release20182018201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day1 year5 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 300320 x 32088 x 8864 x 128454 x 454
Size1.34 inches1.32 inchesNANA1.39 inches
Touch
TypeOLEDLCDNAOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemProprietaryWear OSBuild-in
Apps
Music

All Wearables