Garmin Forerunner 225 vs. Garmin Vivofit 3 vs. Garmin 645 Music vs. Fitbit Charge HR vs. Apple Watch Series 4

 
Forerunner 225
Vivofit 3
645 Music
Charge HR
Watch Series 4
 GarminForerunner 225Remove Buy NowGarminVivofit 3Remove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$300$100$450$150$329
Release20152016201820152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks1 year7 days5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 18064 x 64240 x 240NA384 x 480
Size1 inch0.55 inches1.2 inchesNA1.78 inches
TouchNA
Typen/an/aMIPOLEDMicroLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM1 ATMNot Yet

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aNAWatch OS 5
Appsn/a
Musicn/a

All Wearables