Fitbit Ionic vs. Amazfit Pace vs. Garmin 645 Music vs. Garmin Vivofit 4 vs. Garmin Vivosmart 4

 
Ionic
Pace
645 Music
Vivofit 4
Vivosmart 4
 FitbitIonicRemove Buy NowAmazfitPaceRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivofit 4Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$299$130$450$79.95$130
Release20172017201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days5 days7 days1 year7 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250320 x 300240 x 24088 x 8848 x 128
Size1.421.34 inches1.2 inchesNA0.74 inches
Touch
TypeOLEDTFT LCDMIPNAOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mIP675 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSProprietary
Apps
Music

All Wearables