Oneplus Oneplus 3 has a pixel density of:
400.53

A.K.A. Oneplus Three
Released: 2016

Resolution: 1920×1080 5.5″ display

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

Totaling 2.07mp (megapixels) and having a PPI of 400.53

Category: Phone
Tags: oneplus, oneplus3, smartphone, amoled

Submitted by: ferencinter

OnePlus 3

Codename	oneplus3
Manufacturer	OnePlus
Slogan	It’s about time. A day’s power in half an hour.
Model	A3000 A3003
Compatible networks	2G, 3G and 4G
First released	14 June 2016 (2016-06-14)
Discontinued	17 November 2016 (2016-11-17) (North America and Europe only)
Predecessor	OnePlus 2
Successor	OnePlus 3T
Type	Smartphone
Form factor	Slate
Dimensions	152.7 mm (6.01 in) H 74.7 mm (2.94 in) W 7.35 mm (0.289 in) D
Mass	155 g
Operating system	OxygenOS (Global) HydrogenOS (Mainland China)
System on chip	Qualcomm Snapdragon 820
CPU	Kryo 2×2.2 GHz + 2×1.6 GHz
GPU	Adreno 530
Memory	6 GB LPDDR4 RAM
Storage	64 GB UFS 2.0
Battery	3000 mAh
Display	5.5 in 1920 x 1080 pixel resolution (401ppi) AMOLED
Rear camera	16 MP Sony IMX298
Front camera	8 MP Sony IMX179
Connectivity	3G, 4G VoLTE, WiFi, NFC, Bluetooth 4.2, USB-C
Website	oneplus.net/3

This righthand infobox courtesy of Wikipedia.