Garmin Vivoactive HR vs. Amazfit Cor vs. Garmin 645 Music vs. Fitbit Flex vs. Apple Watch Series 4

 
Vivoactive HR
Cor
645 Music
Flex
Watch Series 4
 GarminVivoactive HRRemove Buy NowAmazfitCorRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$250$79.99$450$100$329
Release20162018201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days12 days7 days5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution148 x 20580 x 160240 x 240NA384 x 480
Size1.38 inches1.23 inches1.2 inchesNA1.78 inches
TouchNA
Typen/aIPS LCDMIPLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM1 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWatch OS 5
Apps
Music

All Wearables