Google Pixel 2 has a pixel density of:
440.58

A.K.A. Pixel2
Released: 2017

Resolution: 1920×1080 5″ display

Full HD (FHD) 1920×1080, 16:9 aspect ratio

Totaling 2.07mp (megapixels) and having a PPI of 440.58

Category: Phone
Tags:

Pixel 2
Pixel 2 XL

Pixel 2 and Pixel 2 XL
Codename	Walleye (Pixel 2)[1] Taimen (Pixel 2 XL)[1]
Brand	Google
Manufacturer	HTC (Pixel 2)[1] LG Electronics (Pixel 2 XL)[1] (as contract manufacturers for both models)
Slogan	Ask more of your phone.
Series	Pixel
Model	G011A (Pixel 2) G011C (Pixel 2 XL)
Compatible networks	2G 3G 4G LTE
First released	October 19, 2017; 4 years ago (2017-10-19)
Discontinued	April 1, 2019; 2 years ago (2019-04-01)[2]
Predecessor	Pixel
Successor	Pixel 3
Type	Pixel 2: Smartphone Pixel 2 XL: Phablet[3]
Form factor	Slate
Dimensions	Pixel 2: H: 145.7 mm (5.74 in) W: 69.7 mm (2.74 in) D: 7.8 mm (0.31 in) Pixel 2 XL: H: 157.9 mm (6.22 in) W: 76.7 mm (3.02 in) D: 7.9 mm (0.31 in)
Mass	Pixel 2: 143 g (5.04 oz) Pixel 2 XL: 175 g (6.17 oz)
Operating system	Original: Android 8.0 “Oreo” Current: Android 11
System on chip	Qualcomm Snapdragon 835
CPU	Octa-core (4 × 2.35 GHz, 4 × 1.9 GHz) Kryo
GPU	Adreno 540
Modem	Qualcomm Snapdragon X16 LTE (integrated)
Memory	4 GB LPDDR4X RAM
Storage	64 or 128 GB
Battery	Pixel 2: 2,700 mAh Pixel 2 XL: 3,520 mAh
Display	Pixel 2: 5 in (130 mm) FHD AMOLED, 1920 × 1080 (441 ppi) Pixel 2 XL: 6 in (150 mm) QHD P-OLED, 2880 × 1440 (538 ppi) All: Gorilla Glass 5
Rear camera	Sony Exmor IMX36212.2 MP1.4 µm pixel sizef/1.8 aperturePhase-detection autofocus and laser autofocusHDR+ processingNight SightDual pixelHD 720p (up to 240 FPS)FHD 1080p video (up to 120 FPS)4K 2160p video (up to 30 FPS)EISOIS
Front camera	8 MP Sony Exmor IMX179 1.4 µm pixel size f/2.4 aperture
Connectivity	GSM, LTE, LTE Advanced, Voice over LTE, HSDPA, CDMA, TD-LTE, TD-SCDMA
Water resistance	IP67
Website	store.google.com/product/pixel_2

This righthand infobox courtesy of Wikipedia.