Garmin Vivosmart HR vs. Casio WSD-F20A vs. Garmin 645 Music vs. Apple Watch Series 4 vs. Apple SE

 
Vivosmart HR
WSD-F20A
645 Music
Watch Series 4
SE
 GarminVivosmart HRRemove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowAppleWatch Series 4Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$170$399$450$329$279
Release20152018201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day7 daysNot Yet18 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 68320 x 320240 x 240384 x 480384 x 480
Size1.08 inches1.32 inches1.2 inches1.78 inches40mm
Touch
Typen/aLCDMIPMicroLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance5 ATM5 ATM5 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWatch OS 5WatchOS 5
Apps
Music

All Wearables