Fitbit Flex 2 vs. Garmin Vivofit 4 vs. Garmin Vivosmart HR Plus vs. Apple Watch Series 5 vs. Garmin Forerunner 45

 
Flex 2
Vivofit 4
Vivosmart HR Plus
Watch Series 5
Forerunner 45
 FitbitFlex 2Remove Buy NowGarminVivofit 4Remove Buy NowGarminVivosmart HR PlusRemove Buy NowAppleWatch Series 5Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$100$79.95$179$329$199
Release20162018201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 year5 daysNot Yet7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a88 x 88160 x 68384 x 480208 x 208
Sizen/aNA0.5 inches x 0.8 inches1.78 Inches1.04 inches
Touchn/a
TypeLEDNALCDMicroLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWatchOS 5Built-in
Apps
Music

All Wearables