Samsung Galaxy Nexus has a pixel density of:
315.83

A.K.A. Google Galaxy Nexus
Released: 2011

Resolution: 1280×720 4.65″ display

Wide XGA* (WXGA-H) 1280×720, 16:9 aspect ratio

Totaling 0.92mp (megapixels) and having a PPI of 315.83

Category: Phone
Tags: samsung, google, nexus, omap, lte, hspa, pentile, gt-i9250,gti9250

Galaxy Nexus

Galaxy Nexus running Android 4.1
Codename	Maguro Toro (Verizon version) Toroplus (Sprint version)
Developer	Google Samsung Electronics
Manufacturer	Google and Samsung Electronics
Series	Google Nexus, Samsung Galaxy
Family	Google Nexus
Compatible networks	GSM/GPRS/EDGE 850/900/1800/1900HSPA 850/900/1700/1900/2100HSDPA 21 Mbit/sHSUPA 5.76 Mbit/sLTE + CDMA2000 EV-DO Rev.A (Verizon, Sprint)
First released	17 November 2011; 10 years ago (2011-11-17)
Predecessor	Nexus S
Successor	Nexus 4
Related	Samsung Galaxy S II Samsung Galaxy Note
Type	Smartphone
Form factor	Slate
Dimensions	Height: 135.5 mm (5.33 in)Width: 67.94 mm (2.675 in)Depth: 8.94 mm (0.352 in) or 9.47 mm (0.373 in) for the LTE variant[1]
Mass	135 g (4.8 oz)
Operating system	Original: Android 4.0 “Ice Cream Sandwich” Current: Android 4.3 “Jelly Bean” (4.2 for Verizon’s Toro variant)[2]
System on chip	Texas Instruments OMAP 4460
CPU	1.2 GHz dual-core ARM Cortex-A9
GPU	307 MHz PowerVR SGX540[3]
Memory	1 GB
Storage	16/32 GB (depending on versions)[4][5][6]
Removable storage	None
Battery	1,750 mAh (HSPA+ version)[4] 1,850 mAh (LTE version)[7] internal user-replaceable 2,000 mAh (Official extended battery. Korean variants includes both 1,750 mAh and 2,000 mAh batteries) 2,100 mAh (Sprint/Verizon Extended Battery. Wider than the GSM model).[8] rechargeable Li-ion
Display	4.65 in (118 mm) diagonal HD Super AMOLED with RGBG-Matrix (PenTile)[9] 1280×720 px *(316 ppi) 16:9 aspect-ratio 10 μs response time
Rear camera	5 MP (2592×1936 px) Autofocus, zero shutter lag,[10] single LED flash 1080p video recording (1920×1080 @ 24 fps)[11]
Front camera	1.3 MP, 720p video (1280×720 @ 30 fps)[11]
Connectivity	3.5 mm TRRS GPS DLNA Micro USB 2.0 with USB On-The-Go MHL Bluetooth 3.0 NFC Wi-Fi 802.11a/b/g/n (2.4/5 GHz)
Data inputs	Multi-touch capacitive touchscreen, accelerometer, 3-axis gyroscope, A-GPS, barometer, 3-axis digital compass, proximity sensor, dual microphones for active noise cancellation
Other	Wi-Fi hotspot Wi-Fi Direct USB tethering Oleophobic display coating
SAR	GT-I9250: Head: 0.43 W/kg (1 g) Body: 0.74 W/kg (1 g) Hotspot: 0.74 W/kg (1 g)[12] GT-I9250M: Head: 0.4 W/kg (1 g) Body: 0.65 W/kg (1 g) Hotspot: 0.74 W/kg (1 g)[13] GT-I9250T: Head: 0.36 W/kg (1 g) Body: 0.49 W/kg (1 g) Hotspot: 0.63 W/kg (1 g)[14]
Hearing aid compatibility	M4[15]

This righthand infobox courtesy of Wikipedia.