Samsung Gear S3 vs. Fitbit Flex 2 vs. Casio WSD-F20A vs. Fitbit Alta HR vs. Garmin Vivofit 4

 
Gear S3
Flex 2
WSD-F20A
Alta HR
Vivofit 4
 SamsungGear S3Remove Buy NowFitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitAlta HRRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$350$100$399$150$79.95
Release20162016201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleepn/a
Steps
Swim

Battery

Duration4 days5 days1 day7 days1 year
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Colorn/a
Resolution360 x 360n/a320 x 320128 x 3688 x 88
Size1.3 inchesn/a1.32 inches1.4 inchesNA
Touchn/a
TypeFullcolor AODLEDLCDOLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aWear OS
Apps
Music

All Wearables