Fitbit Ionic vs. Garmin Fenix 5s vs. Garmin 645 Music vs. Garmin VivoActive 4 vs. Apple SE

 
Ionic
Fenix 5s
645 Music
VivoActive 4
SE
 FitbitIonicRemove Buy NowGarminFenix 5sRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivoActive 4Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$299$599.99$450$349$279
Release20172017201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ daysUp to 9 days7 days8 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250218x 218240 x 240260 x 260384 x 480
Size1.421.1 inches1.2 inches1.3ionches40mm
Touch
TypeOLEDnaMIPMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance50m10ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSWear OSWatchOS 5
Apps
Music

All Wearables