Amazfit Arc vs. Casio WSD-F20A vs. Garmin 645 Music vs. Samsung Galaxy Watch vs. Fitbit Sense 2

 
Arc
WSD-F20A
645 Music
Galaxy Watch
Sense 2
 AmazfitArcRemove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowSamsungGalaxy WatchRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$69.99$399$450$330$300
Release20162018201820182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration20 days1 day7 days7 days6 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolution72 x40320 x 320240 x 240360 x 360336x336
Size0.42 inches1.32 inches1.2 inches1.2 inches or 1.3 inches1.59 inches
Touch
TypeOLEDLCDMIPAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSTizen OS
Apps
MusicSpotify

All Wearables