Apple Watch Series 3 vs. Fitbit Zip vs. Amazfit Cor vs. Garmin 645 Music vs. Fitbit Alta HR

 
Watch Series 3
Zip
Cor
645 Music
Alta HR
 AppleWatch Series 3Remove Buy NowFitbitZipRemove Buy NowAmazfitCorRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$329$60$79.99$450$150
Release20172012201820182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours6 months12 days7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a80 x 160240 x 240128 x 36
Size1.5 inches or 1.65 inchesn/a1.23 inches1.2 inches1.4 inches
Touch
TypeAMOLEDn/aIPS LCDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplash Resistant5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/a
Apps
Music

All Wearables