Fitbit Alta vs. ASUS ZenWatch 3 vs. Casio G-Shock GBA800 vs. Garmin 645 Music vs. Apple Watch Series 4

 
Alta
ZenWatch 3
G-Shock GBA800
645 Music
Watch Series 4
 FitbitAltaRemove Buy NowASUSZenWatch 3Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$130$229$120$450$329
Release20162017201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours2 years7 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400240 x 240384 x 480
Sizen/a1.39 inches1.2 inches1.78 inches
Touchn/a
TypeOLEDAMOLEDMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a20 ATM5 ATMNot Yet

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid Wear 2Watch OS 5
Apps
Music

All Wearables