Casio WSD-F20A vs. Fitbit Charge vs. Jawbone UP4 vs. Diesel On Full Guard 2.5 vs. Amazfit T-Rex

 
WSD-F20A
Charge
UP4
On Full Guard 2.5
T-Rex
 CasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy NowJawboneUP4Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$399$130$200$325$140
Release20182014201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day7-10 daysNA4 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320NANA454x454360 x 360
Size1.32 inchesNANA1.39 inches1.3 inches
TouchNANA
TypeLCDOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATMNA3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNANAWear OSBuild-in
Apps
MusicNA

All Wearables