Apple MacBook Pro 13-inch (2017) has a pixel density of:
226.98

A.K.A. MacBook Pro 13-Inch with Touch Bar
Released: 2017

Resolution: 2560×1600 13.3″ display

Wide QXGA (WQXGA) 2560×1600, 8:5 aspect ratio

Totaling mp (megapixels) and having a PPI of 226.98

Category: Laptop
Tags: retina

MacBook Pro

15-inch MacBook Pro space gray late 2017
Developer	Apple Inc.
Manufacturer	Foxconn Pegatron
Product family	MacBook family
Type	Laptop
Release date	January 10, 2006; 13 years ago (2006-01-10) (Original) July 12, 2018 (2018-07-12) (Current)
Operating system	macOS
Predecessor	PowerBook G4
Related articles	MacBook, MacBook Air, iMac
Website	www.apple.com/macbook-pro/

This righthand infobox courtesy of Wikipedia.