Fitbit Ionic vs. Garmin 645 Music vs. Pebble Core vs. Michael Kors Access Sofie HR vs. Amazfit GTR

 
Ionic
645 Music
Core
Access Sofie HR
GTR
 FitbitIonicRemove Buy NowGarmin645 MusicRemove Buy NowPebbleCoreRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$299$450$99$395$199
Release20172018201620192019

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration4+ days7 daysNA2 days24 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250240 x 240NA390 x 390454 x 454
Size1.421.2 inchesNA1.19 inches1.39 inches
TouchNA
TypeOLEDMIPNAOMOLEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATMNA0.3 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemFitbit OSNAWear OSBuild-in
Apps
Music

All Wearables