Fitbit Alta vs. Casio WSD-F20A vs. Fitbit Flex vs. Apple Watch Series 5 vs. Diesel On Full Guard 2.5

 
Alta
WSD-F20A
Flex
Watch Series 5
On Full Guard 2.5
 FitbitAltaRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 5Remove Buy NowDieselOn Full Guard 2.5Remove Buy Now

Basic Info

Suggested Price$130$399$100$329$325
Release20162018201320192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day5 daysNot Yet4 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320NA384 x 480454x454
Sizen/a1.32 inchesNA1.78 Inches1.39 inches
Touchn/aNA
TypeOLEDLCDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATMNot Yet3 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWear OSNAWatchOS 5Wear OS
Apps
Music

Wearables by Diesel

Diesel On Full Guard

All Wearables