Fitbit Ionic vs. Apple Watch vs. Garmin 645 Music vs. Garmin Fenix 5X vs. Garmin VivoActive 4

 
Ionic
Watch
645 Music
Fenix 5X
VivoActive 4
 FitbitIonicRemove Buy NowAppleWatchRemove Buy NowGarmin645 MusicRemove Buy NowGarminFenix 5XRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$299$349$450$699$349
Release20172015201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days18 hours7 daysUp to 12 days8 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250340 x 272 or 390 x 312240 x 240240 x240260 x 260
Size1.421.5 inches or 1.65 inches1.2 inches1.2 inches1.3ionches
Touch
TypeOLEDAMOLEDMIPNAMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mIPX75 ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSWatch OSWear OS
Apps
Music

All Wearables