[gbear605]

Not according to Apple. They say it is “1334-by-750-pixel resolution at 326 ppi“[0]

https://www.apple.com/iphone-8/specs/

[extra88]

That's the raw screen resolution but the web viewport size will be in CSS Pixels and is 667 x 375.

https://vizdevices.yesviz.com/devices/iphone8/