Garmin Vivoactive vs. Fitbit Flex 2 vs. Garmin 645 Music vs. Fitbit Charge 3 vs. Apple Watch Series 4

 
Vivoactive
Flex 2
645 Music
Charge 3
Watch Series 4
 GarminVivoactiveRemove Buy NowFitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge 3Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$250$100$450$150$329
Release20152016201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days5 days7 days7 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolution205 x 148n/a240 x 24066 x 18384 x 480
Size1.38 inchesn/a1.2 inches.721 inches1.78 inches
Touchn/a
TypeLCDLEDMIPOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWatch OS 5
Apps
Music

All Wearables