Garmin Vivoactive HR vs. Fitbit Ionic vs. Casio WSD-F20A vs. Garmin 645 Music vs. Apple Watch Series 4

 
Vivoactive HR
Ionic
WSD-F20A
645 Music
Watch Series 4
 GarminVivoactive HRRemove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$250$299$399$450$329
Release20162017201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days4+ days1 day7 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution148 x 205348x250320 x 320240 x 240384 x 480
Size1.38 inches1.421.32 inches1.2 inches1.78 inches
Touch
Typen/aOLEDLCDMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m5 ATM5 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSWear OSWatch OS 5
Apps
Music

All Wearables