Casio WSD-F20A vs. Diesel On Full Guard vs. Fitbit Alta HR vs. Apple Watch Ultra vs. Fitbit Sense 2

 
WSD-F20A
On Full Guard
Alta HR
Watch Ultra
Sense 2
 CasioWSD-F20ARemove Buy NowDieselOn Full GuardRemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch UltraRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$399$325$150$799$300
Release20182017201720222022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day1 day7 days36 hrs6 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320454 x 454128 x 36502x410 pixels336x336
Size1.32 inches1.4 inches1.4 inches1.92 inches1.59 inches
Touch
TypeLCDOMOLEDOLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP6710 ATM (100 Meters)5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSAndroid Wear 2.0WatchOS 9
Apps
Music

All Wearables