Amazfit Cor vs. Garmin 645 Music vs. Fitbit Alta HR vs. Apple Watch 8 vs. Apple SE

 
Cor
645 Music
Alta HR
Watch 8
SE
 AmazfitCorRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch 8Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$79.99$450$150$499$279
Release20182018201720222020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration12 days7 days7 days18 hrs18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution80 x 160240 x 240128 x 36340 x 272 or 390 x 312384 x 480
Size1.23 inches1.2 inches1.4 inches1.5 inches or 1.65 inches40mm
Touch
TypeIPS LCDMIPOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 9WatchOS 5
Apps
Music

All Wearables