Sony Xperia XZ Premium has a pixel density of:
806.93

A.K.A.
Released: 2017

Resolution: 3840×2160 5.46″ display

Ultra HD 1 (UHD-1) 3840×2160, 16:9 aspect ratio

Totaling 8.29mp (megapixels) and having a PPI of 806.93

Category: Phone
Tags: sony, android, 4K, UHD

Sony Xperia XZ Premium

Codename	Maple (PF11)
Brand	Sony
Manufacturer	Sony Mobile Communications
Slogan	“Everything becomes Wow”
Series	Sony Xperia
Model	Single SIM: G8141, G8188, SO-04J Dual SIM: G8142
Compatible networks	HSPA, GSM & LTE
First released	2 June 2017; 2 years ago (2017-06-02) (United Kingdom)
Availability by region	2 June 2017; 2 years ago (2017-06-02) (United Kingdom) 16 June 2017; 2 years ago (2017-06-16) (Japan, SO-04J model exclusively for NTT DoCoMo) 19 June 2017; 2 years ago (2017-06-19) (United States) July 2017; 2 years ago (2017-07) (Japan, G8188 unlocked model sold by Nuro mobile)
Predecessor	Sony Xperia Z5 Premium (2015)
Successor	Sony Xperia XZ2 Premium
Related	Sony Xperia XZs
Type	Phablet smartphone
Form factor	Slate
Dimensions	156 mm (6.1 in) H 77 mm (3.0 in) W 7.9 mm (0.31 in) D
Mass	195 g (6.9 oz)
Operating system	Android 7.1 “Nougat” (Upgradable to Android 9.0.0 Pie)
System on chip	Qualcomm Snapdragon 835 MSM8998
CPU	Octa-core (quad 2.45 GHz + quad 1.9 GHz) 64-bit Kryo 280 processor
GPU	Adreno 540
Memory	4 GB LPDDR4X RAM[1]
Storage	64 GB UFS
Removable storage	microSDXC; expandable up to 512 GB (hybrid slot for G8142)
Battery	Non-removable Li-ion 3,230 mAh
Data inputs	Multi-touch, capacitive touchscreen, proximity sensor
Display	5.5 in (140 mm) 4K HDR IPS LCD (3840 x 2160 px) TRILUMINOS Display for mobile with X-Reality for mobile, Dynamic Contrast Enhancement, sRGB 138%, 806 ppi
Rear camera	19 MP Motion Eye™ Camera, 1/2.3” memory-stacked IMX400 image sensor, Exmor RS for mobile (1.22μm), BIONZ, RGBC-IR, Laser AF, Predictive Hybrid AF, Predictive Capture, Quick launch, 5x Clear Image Zoom, 25mm Wide Angle G Lens, f/2.0 4K (2160p) video recording, 720p 960 fps super slow motion video recording, SteadyShot with Intelligent Active Mode (5-axis stabilization)
Front camera	13 MP 1/3.06” Exmor RS for mobile sensor, with Quick launch and 22mm Wide Angle Lens and f/2.0 aperture, autofocus
Connectivity	Wi-Fi DLNA GPS/GLONASS/BeiDou/Galileo Bluetooth 5 with aptX and LE USB 3.1 (Type-C port, USB charging, Quick Charge 3.0) 1seg (G8188 and SO-04J models only) Osaifu-Keitai (G8188 and SO-04J models only)
Website	Official Website
References	[2]

This righthand infobox courtesy of Wikipedia.