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

 
Alta
645 Music
Access Sofie HR
Inspire HR
GTR
 FitbitAltaRemove Buy NowGarmin645 MusicRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$130$450$395$99$199
Release20162018201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days2 days5 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240390 x 390139 x 60454 x 454
Sizen/a1.2 inches1.19 inches1.4 inches1.39 inches
Touchn/a
TypeOLEDMIPOMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM0.3 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWear OSFitbit OSBuild-in
Apps
Music

All Wearables