Fitbit Charge 2 vs. Casio WSD-F20A vs. Diesel On Full Guard 2.5 vs. Amazfit GTR

 
Charge 2
WSD-F20A
On Full Guard 2.5
GTR
 FitbitCharge 2Remove Buy NowCasioWSD-F20ARemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$399$325$199
Release2016201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day4 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320454x454454 x 454
Sizen/a1.32 inches1.39 inches1.39 inches
Touchn/a
TypeOLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWear OSBuild-in
Apps
Music

All Wearables