Apple Watch Series 3 vs. Casio WSD-F10 vs. Fitbit Flex 2 vs. Casio WSD-F20A vs. Garmin Vivosmart 4

 
Watch Series 3
WSD-F10
Flex 2
WSD-F20A
Vivosmart 4
 AppleWatch Series 3Remove Buy NowCasioWSD-F10Remove Buy NowFitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$329$500$100$399$130
Release20172016201620182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygenn/a
Sleepn/a
Steps
Swimn/a

Battery

Duration18 hoursn/a5 days1 day7 days
Rechargeable

Compatibility

Android
iOSn/a
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetoothn/a
Cellularn/a
GPS
NFCn/a
Wi-Fin/a

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/an/a320 x 32048 x 128
Size1.5 inches or 1.65 inchesn/an/a1.32 inches0.74 inches
Touchn/an/a
TypeAMOLEDLCDLEDLCDOLED

Functions

Audio Speakern/a
Clock
Phonen/a
Vibration
Voicen/a

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemWatchOS 4Android Wearn/aWear OS
Appsn/a
Musicn/a

All Wearables