Garmin Forerunner 225 vs. Amazfit Stratos vs. Asus VivoWatch vs. Casio WSD-F20A vs. Fitbit Flex

 
Forerunner 225
Stratos
VivoWatch
WSD-F20A
Flex
 GarminForerunner 225Remove Buy NowAmazfitStratosRemove Buy NowAsusVivoWatchRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$300$199$160$399$100
Release20152018201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 days24 hours to 10 days1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180320 x 300128 x 128320 x 320NA
Size1 inch1.34 inchesNA1.32 inchesNA
TouchNA
Typen/aOLEDNALCDLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP675 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aProprietaryKoodOSWear OSNA
Appsn/a
Musicn/a

All Wearables