Amazfit Cor vs. Garmin 645 Music vs. Fitbit Flex vs. Apple Watch Series 5 vs. Garmin Vivosmart 4

 
Cor
645 Music
Flex
Watch Series 5
Vivosmart 4
 AmazfitCorRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 5Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$79.99$450$100$329$130
Release20182018201320192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration12 days7 days5 daysNot Yet7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution80 x 160240 x 240NA384 x 48048 x 128
Size1.23 inches1.2 inchesNA1.78 Inches0.74 inches
TouchNA
TypeIPS LCDMIPLEDMicroLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNAWatchOS 5
Apps
Music

All Wearables