Amazfit Stratos vs. Casio WSD-F20A vs. Fitbit Flex vs. Apple Watch Series 5 vs. Fitbit Sense 2

 
Stratos
WSD-F20A
Flex
Watch Series 5
Sense 2
 AmazfitStratosRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 5Remove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$199$399$100$329$300
Release20182018201320192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day5 daysNot Yet6 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 300320 x 320NA384 x 480336x336
Size1.34 inches1.32 inchesNA1.78 Inches1.59 inches
TouchNA
TypeOLEDLCDLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemProprietaryWear OSNAWatchOS 5
Apps
Music

All Wearables