Fitbit Flex 2 vs. Casio WSD-F20A vs. Samsung Galaxy Watch vs. Garmin Vivofit 4 vs. Apple Watch Ultra

 
Flex 2
WSD-F20A
Galaxy Watch
Vivofit 4
Watch Ultra
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowSamsungGalaxy WatchRemove Buy NowGarminVivofit 4Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$100$399$330$79.95$799
Release20162018201820182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day7 days1 year36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320360 x 36088 x 88502x410 pixels
Sizen/a1.32 inches1.2 inches or 1.3 inchesNA1.92 inches
Touchn/a
TypeLEDLCDAMOLEDNA

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSTizen OSWatchOS 9
Apps
MusicSpotify

All Wearables