Fitbit Flex 2 vs. Fitbit One vs. Garmin Fenix 5s vs. Casio WSD-F20A vs. Apple Watch Ultra

 
Flex 2
One
Fenix 5s
WSD-F20A
Watch Ultra
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowGarminFenix 5sRemove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$100$100$599.99$399$799
Release20162012201720182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 daysUp to 9 days1 day36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a218x 218320 x 320502x410 pixels
Sizen/an/a1.1 inches1.32 inches1.92 inches
Touchn/a
TypeLEDOLEDnaLCD

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant10ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSWatchOS 9
Apps
Music

All Wearables