Garmin Vivosmart HR vs. Casio WSD-F20A vs. Garmin 645 Music vs. Garmin Vivosmart 4 vs. Apple Series 6

 
Vivosmart HR
WSD-F20A
645 Music
Vivosmart 4
Series 6
 GarminVivosmart HRRemove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowGarminVivosmart 4Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$170$399$450$130$399
Release20152018201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day7 days7 daysNot yet
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 24048 x 128384 x 480
Size1.08 inches1.32 inches1.2 inches0.74 inches40mm
Touch
Typen/aLCDMIPOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWatchOS 5
Apps
Music

All Wearables