Apple Watch Series 3 vs. Fitbit One vs. Amazfit Cor vs. Garmin 645 Music vs. Fitbit Charge HR

 
Watch Series 3
One
Cor
645 Music
Charge HR
 AppleWatch Series 3Remove Buy NowFitbitOneRemove Buy NowAmazfitCorRemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$329$100$79.99$450$150
Release20172012201820182015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours10-14 days12 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a80 x 160240 x 240NA
Size1.5 inches or 1.65 inchesn/a1.23 inches1.2 inchesNA
TouchNA
TypeAMOLEDOLEDIPS LCDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant5 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aNA
Apps
Music

All Wearables