Fitbit Flex 2 vs. Amazfit Stratos vs. Casio G-Shock GBA800 vs. Jaybird Reign vs. Garmin VivoActive 4

 
Flex 2
Stratos
G-Shock GBA800
Reign
VivoActive 4
 FitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowCasioG-Shock GBA800Remove Buy NowJaybirdReignRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$100$199$120$150$349
Release20162018201820152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days2 years5 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 300NA260 x 260
Sizen/a1.34 inchesNA1.3ionches
Touchn/aNA
TypeLEDOLEDLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM20 ATMNA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryNAWear OS
Apps
Music

All Wearables