Pebble Time Round vs. Garmin Vivosmart HR vs. Garmin 645 Music vs. Pebble Core vs. Amazfit GTR

 
Time Round
Vivosmart HR
645 Music
Core
GTR
 PebbleTime RoundRemove Buy NowGarminVivosmart HRRemove Buy NowGarmin645 MusicRemove Buy NowPebbleCoreRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$200$170$450$99$199
Release20152015201820162019

Activity & Fitness

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

Battery

Duration2 days5 days7 daysNA24 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNA
Macn/an/aNA
Windowsn/an/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68240 x 240NA454 x 454
Sizeround1.08 inches1.2 inchesNA1.39 inches
TouchNA
Typee-papern/aMIPNAAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM5 ATMNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemPebble OSn/aNABuild-in
Apps
Music

All Wearables