Fitbit Flex 2 vs. Amazfit Cor vs. Apple Watch Series 4 vs. Michael Kors Access Sofie HR vs. Garmin VivoActive 4

 
Flex 2
Cor
Watch Series 4
Access Sofie HR
VivoActive 4
 FitbitFlex 2Remove Buy NowAmazfitCorRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$100$79.99$329$395$349
Release20162018201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days12 daysNot Yet2 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a80 x 160384 x 480390 x 390260 x 260
Sizen/a1.23 inches1.78 inches1.19 inches1.3ionches
Touchn/a
TypeLEDIPS LCDMicroLEDOMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMNot Yet0.3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OS 5Wear OSWear OS
Apps
Music

All Wearables