Garmin 645 Music vs. Garmin Vivosmart HR Plus vs. Garmin Instinct vs. Apple Series 6

 
645 Music
Vivosmart HR Plus
Instinct
Series 6
 Garmin645 MusicRemove Buy NowGarminVivosmart HR PlusRemove Buy NowGarminInstinctRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$450$179$300$399
Release2018201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days14 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240160 x 68128 x 128384 x 480
Size1.2 inches0.5 inches x 0.8 inches0.9 inches40mm
Touch
TypeMIPLCDOMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNAWatchOS 5
Apps
Music

All Wearables