Apple Watch Series 2 vs. Amazfit Stratos vs. Casio G-Shock GBA800 vs. Fitbit Charge 3 vs. Apple Watch Series 4

 
Watch Series 2
Stratos
G-Shock GBA800
Charge 3
Watch Series 4
 AppleWatch Series 2Remove Buy NowAmazfitStratosRemove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitCharge 3Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$269$199$120$150$329
Release20162018201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days2 years7 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312320 x 30066 x 18384 x 480
Size1.5 inches or 1.65 inches1.34 inches.721 inches1.78 inches
Touch
TypeAMOLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATM5 ATM20 ATM5 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSProprietaryNAWatch OS 5
Apps
Music

All Wearables