Amazfit Stratos vs. Casio WSD-F20A vs. Fitbit Versa vs. Garmin Vivoactive 3 vs. Apple Series 6

 
Stratos
WSD-F20A
Versa
Vivoactive 3
Series 6
 AmazfitStratosRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitVersaRemove Buy NowGarminVivoactive 3Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$199$399$199.99$299$399
Release20182018201820172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day4 days7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 300320 x 320300 x300240 x 240384 x 480
Size1.34 inches1.32 inches1.34 inches1.2 inches40mm
Touch
TypeOLEDLCDOLEDMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemProprietaryWear OSWatchOS 5
Apps
Music

All Wearables