Fitbit Flex 2 vs. Apple Watch Series 4 vs. Garmin Forerunner 45 vs. Garmin Instinct vs. Garmin VivoActive 4

 
Flex 2
Watch Series 4
Forerunner 45
Instinct
VivoActive 4
 FitbitFlex 2Remove Buy NowAppleWatch Series 4Remove Buy NowGarminForerunner 45Remove Buy NowGarminInstinctRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$100$329$199$300$349
Release20162018201920182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNot Yet7 days14 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a384 x 480208 x 208128 x 128260 x 260
Sizen/a1.78 inches1.04 inches0.9 inches1.3ionches
Touchn/a
TypeLEDMicroLEDLCDOMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMNot Yet5 ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OS 5Built-inWear OS
Apps
Music

All Wearables