Apple Watch Series 3 vs. Garmin Forerunner 225 vs. Casio WSD-F20A vs. Fitbit Charge vs. Fitbit Flex

 
Watch Series 3
Forerunner 225
WSD-F20A
Charge
Flex
 AppleWatch Series 3Remove Buy NowGarminForerunner 225Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$329$300$399$130$100
Release20172015201820142013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours10 hours to 4 weeks1 day7-10 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312180 x 180320 x 320NANA
Size1.5 inches or 1.65 inches1 inch1.32 inchesNANA
TouchNANA
TypeAMOLEDn/aLCDOLEDLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemWatchOS 4n/aWear OSNANA
Appsn/a
Musicn/a

All Wearables