Nintendo Gameboy has a pixel density of:
82.79

A.K.A.
Released: 1989

Resolution: 160×144 2.6″ display

Totaling 0.02mp (megapixels) and having a PPI of 82.79

Category: Other
Tags: 8-bit

Game Boy

An original Game Boy
Also known as	KOR: Mini Comboy
Developer	Nintendo R&D1
Manufacturer	Nintendo
Product family	Game Boy family
Type	Handheld game console
Generation	Fourth generation
Release date	JP: April 21, 1989[2]NA: July 31, 1989[1]EU: September 28, 1990
Lifespan	1989–2003
Introductory price	JP¥12,500[3] US$89.99[3][4] £67.40[citation needed] DM169[5]
Discontinued	March 23, 2003; 17 years ago (March 23, 2003)[6]
Units sold	Worldwide: 118.69 million[6] (including Game Boy (Play it Loud!), Game Boy Pocket, Game Boy Light and Game Boy Color units)
Media	Game Boy Game Pak
CPU	Sharp LR35902 core @ 4.19 MHz
Display	STN LCD 160 × 144 pixels, 47 × 43 mm (w x h)[7]
Power	4 × AA batteries (original)
Best-selling game	Pokémon Red and Blue, approximately 31 million units[8][9]
Predecessor	Game & Watch
Successor	Game Boy Color[10]

This righthand infobox courtesy of Wikipedia.