Casio WSD-F20A vs. Fossil Explorist vs. Fitbit Charge HR vs. Amazfit GTR vs. Apple Watch Ultra

 
WSD-F20A
Explorist
Charge HR
GTR
Watch Ultra
 CasioWSD-F20ARemove Buy NowFossilExploristRemove Buy NowFitbitCharge HRRemove Buy NowAmazfitGTRRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$399$255$150$199$799
Release20182018201520192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day24 hours5 days24 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320454 x454NA454 x 454502x410 pixels
Size1.32 inches1.4 inchesNA1.39 inches1.92 inches
TouchNA
TypeLCDAMOLEDOLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP671 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSWear OSNABuild-inWatchOS 9
Apps
Music

All Wearables