Fitbit Flex 2 vs. Garmin Forerunner 935 vs. Fitbit Charge HR vs. Garmin Vivofit 4 vs. Apple Watch Series 4

 
Flex 2
Forerunner 935
Charge HR
Vivofit 4
Watch Series 4
 FitbitFlex 2Remove Buy NowGarminForerunner 935Remove Buy NowFitbitCharge HRRemove Buy NowGarminVivofit 4Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$100$500$150$79.95$329
Release20162017201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysUp to 2 weeks5 days1 yearNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240NA88 x 88384 x 480
Sizen/a1.2 inchesNANA1.78 inches
Touchn/aNA
TypeLEDLCDOLEDNAMicroLED

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/aNAWatch OS 5
Apps
Music

All Wearables