Amazfit Stratos vs. Casio WSD-F20A vs. Fitbit Flex vs. Diesel On Full Guard 2.5 vs. Garmin Vivosmart 4

 
Stratos
WSD-F20A
Flex
On Full Guard 2.5
Vivosmart 4
 AmazfitStratosRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$199$399$100$325$130
Release20182018201320182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day5 days4 days7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 300320 x 320NA454x45448 x 128
Size1.34 inches1.32 inchesNA1.39 inches0.74 inches
TouchNA
TypeOLEDLCDLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemProprietaryWear OSNAWear OS
Apps
Music

All Wearables