Garmin Vivosmart HR vs. Fitbit Ionic vs. Garmin 645 Music vs. Garmin Chronos vs. Apple Series 6

 
Vivosmart HR
Ionic
645 Music
Chronos
Series 6
 GarminVivosmart HRRemove Buy NowFitbitIonicRemove Buy NowGarmin645 MusicRemove Buy NowGarminChronosRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$170$299$450$1500$399
Release20152017201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days7 days8 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 68348x250240 x 240218 x 218384 x 480
Size1.08 inches1.421.2 inches1.2 inches40mm
Touch
Typen/aOLEDMIPMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM50m5 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSWear OSWatchOS 5
Apps
Music

All Wearables