LG Nexus 4 has a pixel density of:
317.60

A.K.A. Google Nexus 4
Released: 2012

Resolution: 1280×768 4.7″ display

Wide XGA (WXGA) 1280×768, 5:3 aspect ratio

Totaling 0.98mp (megapixels) and having a PPI of 317.60

Category: Phone
Tags: Google, Nexus, IPS, S4 Pro

Nexus 4

Nexus 4 running Android 4.4 “KitKat”
Codename	Mako
Developer	Google, LG Electronics
Manufacturer	LG Electronics
Series	Google Nexus
Compatible networks	GSM/EDGE/GPRS (850, 900, 1800, 1900 MHz)[1] 3G UMTS/HSPA+/DC-HSPA+ (850, 900, 1700, 1900, 2100 MHz) HSDPA 42 Mbps
First released	November 13, 2012; 6 years ago (2012-11-13)
Availability by Region	November 13, 2012 (2012-11-13) (Google Play)
Discontinued	November 1, 2013 (2013-11-01)[2]
Units sold	One million, as of February 2013[update][3] 3 million as of 2Q 2013[4]
Predecessor	Galaxy Nexus
Successor	Nexus 5
Related	Optimus G
Type	Smartphone
Form factor	Slate
Dimensions	133.9 mm (5.27 in) H 68.7 mm (2.70 in) W 9.1 mm (0.36 in) D[1]
Weight	139 g (4.9 oz)[1]
Operating system	Android Jelly Bean 4.2, upgradable to Android Lollipop 5.1.1[5]
System on chip	Qualcomm Snapdragon S4 Pro APQ8064
CPU	1.5 GHz quad-core Krait
GPU	Adreno 320
Memory	2 GB of LPDDR2 RAM, clocked at 533 MHz
Storage	8 GB or 16 GB
Battery	2100 mAh, Li-Po, non-removableQi-compatible
Data inputs	Multi-touch, capacitive touchscreen, microphone, proximity sensor, Gyroscope, compass, barometer, Accelerometer, ambient light sensor[6]
Display	4.7 in (120 mm) diagonal TrueHD IPS with Corning Gorilla Glass 2 1280×768 px (318 ppi)
Rear camera	8 MP back-side illuminated sensor with LED flash 1080p video recording @ 30 frames/s
Front camera	1.3 MP 720p video recording @ 30 frames/s
Connectivity	3.5 mm TRRS GPS GLONASS Micro USB 2.0 Mobility DisplayPort (MyDP)[7] Bluetooth 4.0 with A2DP[8] NFC Wi-Fi 802.11 a/b/g/n[1] (2.4/5 GHz)[9] Miracast
SAR	Head: 0.546 W/kg (1 g) Body: 1.27 W/kg (1 g) Hotspot: 1.27 W/kg (1 g)[10]

This righthand infobox courtesy of Wikipedia.