Fitbit Flex 2 vs. Garmin 645 Music vs. Garmin Fenix 5x Plus vs. Apple Watch Series 4 vs. Apple Watch Series 5

 
Flex 2
645 Music
Fenix 5x Plus
Watch Series 4
Watch Series 5
 FitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowGarminFenix 5x PlusRemove Buy NowAppleWatch Series 4Remove Buy NowAppleWatch Series 5Remove Buy Now

Basic Info

Suggested Price$100$450$850$329$329
Release20162018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days20 daysNot YetNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240240 x 240384 x 480384 x 480
Sizen/a1.2 inches1.2 inches1.78 inches1.78 Inches
Touchn/a
TypeLEDMIPMIPMicroLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM10 ATMNot YetNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWatch OS 5WatchOS 5
Apps
Music

All Wearables