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

 
645 Music
Core
Access Sofie HR
Inspire HR
GTR
 Garmin645 MusicRemove Buy NowPebbleCoreRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$450$99$395$99$199
Release20182016201920192019

Activity & Fitness

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

Battery

Duration7 daysNA2 days5 days24 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240NA390 x 390139 x 60454 x 454
Size1.2 inchesNA1.19 inches1.4 inches1.39 inches
TouchNA
TypeMIPNAOMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMNA0.3 ATM5 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemNAWear OSFitbit OSBuild-in
Apps
Music

All Wearables