Polar M430 vs. Casio WSD-F20A vs. Garmin 645 Music vs. Samsung Galaxy Watch vs. Garmin VivoActive 4

 
M430
WSD-F20A
645 Music
Galaxy Watch
VivoActive 4
 PolarM430Remove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowSamsungGalaxy WatchRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$255$399$450$330$349
Release20172018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours1 day7 days7 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128320 x 320240 x 240360 x 360260 x 260
Size1.4 inch1.32 inches1.2 inches1.2 inches or 1.3 inches1.3ionches
Touch
TypeLCDLCDMIPAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSTizen OSWear OS
Apps
MusicSpotify

All Wearables