Apple Watch Series 2 vs. Amazfit Cor vs. Garmin 645 Music vs. Fitbit Alta HR vs. Apple Watch 8

 
Watch Series 2
Cor
645 Music
Alta HR
Watch 8
 AppleWatch Series 2Remove Buy NowAmazfitCorRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$269$79.99$450$150$499
Release20162018201820172022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours12 days7 days7 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 31280 x 160240 x 240128 x 36340 x 272 or 390 x 312
Size1.5 inches or 1.65 inches1.23 inches1.2 inches1.4 inches1.5 inches or 1.65 inches
Touch
TypeAMOLEDIPS LCDMIPOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSWatchOS 9
Apps
Music

All Wearables