Fitbit Flex 2 vs. Amazfit Stratos vs. Fitbit Flex vs. Garmin Vivofit 4 vs. Apple Watch Series 5

 
Flex 2
Stratos
Flex
Vivofit 4
Watch Series 5
 FitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy NowAppleWatch Series 5Remove Buy Now

Basic Info

Suggested Price$100$199$100$79.95$329
Release20162018201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days5 days1 yearNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 300NA88 x 88384 x 480
Sizen/a1.34 inchesNANA1.78 Inches
Touchn/aNA
TypeLEDOLEDLEDNAMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM5 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryNAWatchOS 5
Apps
Music

All Wearables