Amazfit Cor vs. Casio G-Shock GBA800 vs. Fitbit Alta HR vs. Garmin Forerunner 45 vs. Apple Watch Ultra

 
Cor
G-Shock GBA800
Alta HR
Forerunner 45
Watch Ultra
 AmazfitCorRemove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitAlta HRRemove Buy NowGarminForerunner 45Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$79.99$120$150$199$799
Release20182018201720192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration12 days2 years7 days7 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution80 x 160128 x 36208 x 208502x410 pixels
Size1.23 inches1.4 inches1.04 inches1.92 inches
Touch
TypeIPS LCDOLEDLCD

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM20 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemBuilt-inWatchOS 9
Apps
Music

All Wearables