Fitbit Flex 2 vs. Amazfit Stratos vs. Amazfit Cor vs. Casio G-Shock GBA800 vs. Amazfit GTR

 
Flex 2
Stratos
Cor
G-Shock GBA800
GTR
 FitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowAmazfitCorRemove Buy NowCasioG-Shock GBA800Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$199$79.99$120$199
Release20162018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days12 days2 years24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 30080 x 160454 x 454
Sizen/a1.34 inches1.23 inches1.39 inches
Touchn/a
TypeLEDOLEDIPS LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryBuild-in
Apps
Music

All Wearables