Apple Watch Series 3 vs. Casio WSD-F20A vs. Garmin 645 Music vs. Fitbit Alta HR vs. Fitbit Inspire HR

 
Watch Series 3
WSD-F20A
645 Music
Alta HR
Inspire HR
 AppleWatch Series 3Remove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$329$399$450$150$99
Release20172018201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours1 day7 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312320 x 320240 x 240128 x 36139 x 60
Size1.5 inches or 1.65 inches1.32 inches1.2 inches1.4 inches1.4 inches
Touch
TypeAMOLEDLCDMIPOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Wear OSFitbit OS
Apps
Music

All Wearables