LG G4 has a pixel density of:
534.04

A.K.A.
Released: 2015

Resolution: 2560×1440 5.5″ display

Quad HD (QHD) 2560×1440, 16:9 aspect ratio

Totaling mp (megapixels) and having a PPI of 534.04

Category: Phone
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LG G4

LG G4 in White Gold Edition
Brand	G series
Manufacturer	LG Electronics
Slogan	See the Great, Feel the Great
Model	LG H810 (AT&T) LG H811 (T-Mobile) LG H815 (international) LG H815T (Hong Kong) LG H818 (China) LG H819 (China) LG VS986 (Verizon) LG LS991 (Sprint) LG US991 (US Cellular) [1] [2]
First released	April 29, 2015; 5 years ago (2015-04-29)
Predecessor	LG G3
Successor	LG G5
Related	LG G Flex 2, LG G4 Stylus, LG V10, LG Leon
Type	Smartphone
Form factor	Slate
Dimensions	148.9 mm (5.86 in) H 76.1 mm (3.00 in) W 9.8 mm (0.39 in) D
Mass	155 g (0.342 lb)
Operating system	Original: Android 5.1.1 “Lollipop” Current: Android 7.0 “Nougat”
System on chip	Qualcomm Snapdragon 808
CPU	Hexa-core 64-bit 20 nm • Dual-core 1.82 GHz Cortex A57 • Quad-core 1.44 GHz Cortex A53[3]
GPU	Adreno 418
Memory	3 GB LPDDR3 RAM
Storage	32 GB
Removable storage	microSDXC up to 2 TB
Battery	3000 mAh Li-Po
Data inputs	List Dual microphone 3-axis gyroscope 3-axis accelerometer proximity sensor Ambient light sensor Multi-touch touchscreen display Compass
Display	5.5 in (140 mm) 2560×1440 1440p (534 ppi) IPS LCD
Rear camera	16 MP OIS 2.0, f/1.8 aperture, 1/2.6 in sensor, LED flash, Hybrid infrared autofocus, Sony Exmor RS IMX234
Front camera	8 MP, Toshiba T4KA3 f/2.0 aperture
Sound	Mono speaker, 3.5 mm stereo audio jack
Connectivity	List • GSM/HSPA/LTE/4G • Wi-Fi 802.11a/b/g/n/ac (2.4/5GHz) • Wi-Fi Hotspot • Wi-Fi Direct • Infrared blaster • Bluetooth 4.1 LE (aptX)[4] • NFC • DLNA • GPS (GPS-A, Glonass) • Miracast • USB 2.0 (Micro-B) • 4K SlimPort
SAR	List Europe, Middle East, Africa, Asia & Oceania (10 g) • Head: 0.618 W/kg • Body (at 15 mm): 0.460 W/kg Taiwan (10 g) • Head: 0.621 W/kg USA & Canada (1 g) • Head: 0.72 W/kg • Body (at 10 mm): 1.18 W/kg [5]
Website	http://www.lg.com/us/mobile-phones/g4

This righthand infobox courtesy of Wikipedia.