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

 
Forerunner 225
Stratos
Arc
WSD-F20A
Flex
 GarminForerunner 225Remove Buy NowAmazfitStratosRemove Buy NowAmazfitArcRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$300$199$69.99$399$100
Release20152018201620182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 days20 days1 day5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180320 x 30072 x40320 x 320NA
Size1 inch1.34 inches0.42 inches1.32 inchesNA
TouchNA
Typen/aOLEDOLEDLCDLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aProprietaryWear OSNA
Appsn/a
Musicn/a

All Wearables