Garmin Vivoactive HR vs. Amazfit Cor vs. Garmin 645 Music vs. Apple Watch Series 4 vs. Apple Watch 7

 
Vivoactive HR
Cor
645 Music
Watch Series 4
Watch 7
 GarminVivoactive HRRemove Buy NowAmazfitCorRemove Buy NowGarmin645 MusicRemove Buy NowAppleWatch Series 4Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$250$79.99$450$329$429
Release20162018201820182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days12 days7 daysNot Yet18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution148 x 20580 x 160240 x 240384 x 480396 x 484
Size1.38 inches1.23 inches1.2 inches1.78 inches1.9 inches
Touch
Typen/aIPS LCDMIPMicroLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATMNot Yetwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OS 5WatchOS 8
Apps
Music

All Wearables