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

Manufacturer	Nintendo
Product family	Game Boy line
Type	Handheld game console
Generation	Fourth generation
Release date	JP: April 21, 1989[2]NA: July 31, 1989[1]EU: September 28, 1990BR: April, 1994[3]RUS: 1995FRY: 1994[4]
Retail availability	1989–2003
Introductory price	Game Boy: ¥?/US$89.95[5]/AU$?
Discontinued	March 23, 2003[6]
Units sold	Worldwide: 118.69 million[6] (including Game Boy (Play it Loud!), Game Boy Pocket, Game Boy Light and Color units)
Media	ROM cartridge (“Game Pak”)
CPU	Sharp LR35902 core @ 4.19 MHz
Display	LCD 160×144 pixels, 47×43 mm[7]
Best-selling game	Tetris, 30.26 million (pack-in/separately).[8]
Predecessor	Game & Watch
Successor	Game Boy Pocket (redesign) Game Boy Light (redesign) Game Boy Color (successor)[9]

This righthand infobox courtesy of Wikipedia.