Fitbit Alta vs. Casio WSD-F20A vs. Diesel On Full Guard vs. Fitbit Charge vs. Apple Watch Series 4

 
Alta
WSD-F20A
On Full Guard
Charge
Watch Series 4
 FitbitAltaRemove Buy NowCasioWSD-F20ARemove Buy NowDieselOn Full GuardRemove Buy NowFitbitChargeRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$130$399$325$130$329
Release20162018201720142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day1 day7-10 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320454 x 454NA384 x 480
Sizen/a1.32 inches1.4 inchesNA1.78 inches
Touchn/aNA
TypeOLEDLCDOMOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP671 ATMNot Yet

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWear OSAndroid Wear 2.0NAWatch OS 5
Apps
Music

All Wearables