Fitbit Ionic vs. Asus VivoWatch vs. Casio G-Shock GBA800 vs. Garmin 645 Music vs. Apple Watch Ultra

 
Ionic
VivoWatch
G-Shock GBA800
645 Music
Watch Ultra
 FitbitIonicRemove Buy NowAsusVivoWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$299$160$120$450$799
Release20172018201820182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days24 hours to 10 days2 years7 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250128 x 128240 x 240502x410 pixels
Size1.42NA1.2 inches1.92 inches
Touch
TypeOLEDNAMIP

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance50mIP6720 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSKoodOSWatchOS 9
Apps
Music

All Wearables