Garmin Vivosmart vs. Casio WSD-F20A vs. Fitbit Flex vs. Garmin Vivosmart 4 vs. Apple Series 6

 
Vivosmart
WSD-F20A
Flex
Vivosmart 4
Series 6
 GarminVivosmartRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$170$399$100$130$399
Release20142018201320182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days1 day5 days7 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 16320 x 320NA48 x 128384 x 480
Size1.41 inches1.32 inchesNA0.74 inches40mm
TouchNA
TypeOLEDLCDLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNAWatchOS 5
Apps
Music

All Wearables