Apple Watch Series 3 vs. Polar V800 vs. Amazfit Cor vs. Garmin 645 Music vs. Fitbit Alta HR

 
Watch Series 3
V800
Cor
645 Music
Alta HR
 AppleWatch Series 3Remove Buy NowPolarV800Remove Buy NowAmazfitCorRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$329$470$79.99$450$150
Release20172014201820182017

Activity & Fitness

Calories
Cycling (Bicycling)n/a
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours13 hours to 30 days12 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 SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/a
Apps
Music

All Wearables