Garmin Fenix 5s vs. Amazfit Stratos vs. Apple Watch vs. Casio WSD-F20A vs. Fitbit Flex

 
Fenix 5s
Stratos
Watch
WSD-F20A
Flex
 GarminFenix 5sRemove Buy NowAmazfitStratosRemove Buy NowAppleWatchRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$599.99$199$349$399$100
Release20172018201520182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationUp to 9 days5 days18 hours1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218x 218320 x 300340 x 272 or 390 x 312320 x 320NA
Size1.1 inches1.34 inches1.5 inches or 1.65 inches1.32 inchesNA
TouchNA
TypenaOLEDAMOLEDLCDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10ATM5 ATMIPX75 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemProprietaryWatch OSWear OSNA
Apps
Music

All Wearables