Fitbit One vs. Casio G-Shock GBA800 vs. Fitbit Alta HR vs. Apple Watch Series 4 vs. Amazfit GTS

 
One
G-Shock GBA800
Alta HR
Watch Series 4
GTS
 FitbitOneRemove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitAlta HRRemove Buy NowAppleWatch Series 4Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$120$150$329$150
Release20122018201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days2 years7 daysNot Yet14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 36384 x 480348 x 442
Sizen/a1.4 inches1.78 inches1.65 inches
Touch
TypeOLEDOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant20 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OS 5Wear OS
Apps
Music

All Wearables