Pebble Steel vs. Garmin 645 Music vs. Fitbit Charge 3 vs. Garmin Vivosmart HR Plus vs. Amazfit GTR

 
Steel
645 Music
Charge 3
Vivosmart HR Plus
GTR
 PebbleSteelRemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge 3Remove Buy NowGarminVivosmart HR PlusRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$450$150$179$199
Release20142018201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days7 days7 days5 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution168 x 144240 x 24066 x 18160 x 68454 x 454
Size1.26 inches1.2 inches.721 inches0.5 inches x 0.8 inches1.39 inches
Touch
Typee-paperMIPOLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSNANABuild-in
Apps
Music

All Wearables