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

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

Basic Info

Suggested Price$100$199$120$150$329
Release20162018201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days2 years7 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 30066 x 18384 x 480
Sizen/a1.34 inches.721 inches1.78 inches
Touchn/a
TypeLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM20 ATM5 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryNAWatch OS 5
Apps
Music

All Wearables