Apple Watch Series 3 vs. Garmin 645 Music vs. Fitbit Flex vs. Garmin Vivosmart HR Plus vs. Pebble Core

 
Watch Series 3
645 Music
Flex
Vivosmart HR Plus
Core
 AppleWatch Series 3Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart HR PlusRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$329$450$100$179$99
Release20172018201320172016

Activity & Fitness

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

Battery

Duration18 hours7 days5 days5 daysNA
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312240 x 240NA160 x 68NA
Size1.5 inches or 1.65 inches1.2 inchesNA0.5 inches x 0.8 inchesNA
TouchNANA
TypeAMOLEDMIPLEDLCDNA

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM5 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemWatchOS 4NANANA
Apps
Music

All Wearables