Fitbit Flex 2 vs. Casio G-Shock GBA800 vs. Fitbit Charge 3 vs. Garmin Vivofit 4 vs. Amazfit GTS

 
Flex 2
G-Shock GBA800
Charge 3
Vivofit 4
GTS
 FitbitFlex 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitCharge 3Remove Buy NowGarminVivofit 4Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$120$150$79.95$150
Release20162018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 years7 days1 year14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a66 x 1888 x 88348 x 442
Sizen/a.721 inchesNA1.65 inches
Touchn/a
TypeLEDOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM20 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWear OS
Apps
Music

All Wearables