Fitbit Charge 2 vs. Fitbit One vs. Apple Watch Series 2 vs. Casio G-Shock GBA800 vs. Apple Watch Series 4

 
Charge 2
One
Watch Series 2
G-Shock GBA800
Watch Series 4
 FitbitCharge 2Remove Buy NowFitbitOneRemove Buy NowAppleWatch Series 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$150$100$269$120$329
Release20162012201620182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days18 hours2 yearsNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a340 x 272 or 390 x 312384 x 480
Sizen/an/a1.5 inches or 1.65 inches1.78 inches
Touchn/a
TypeOLEDOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplast Resistant5ATM20 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSWatch OS 5
Apps
Music

All Wearables