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

 
Watch Series 3
Vivosmart HR
WSD-F20A
Flex
Vivosmart 4
 AppleWatch Series 3Remove Buy NowGarminVivosmart HRRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$329$170$399$100$130
Release20172015201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days1 day5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312160 x 68320 x 320NA48 x 128
Size1.5 inches or 1.65 inches1.08 inches1.32 inchesNA0.74 inches
TouchNA
TypeAMOLEDn/aLCDLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aWear OSNA
Apps
Music

All Wearables