Galaxy S21 Ultra: viewport, screen size, CSS pixel ratio, cross-browser compatibility.

Galaxy S21 Ultra: viewport size, screen size, dimensions, CSS pixel ratio. CSS Media Queries for Galaxy S21 Ultra. Test cross-browser compatibility with Galaxy S21 Ultra.

Google Pixel: viewport, screen size, CSS pixel ratio, cross-browser compatibility.

Samsung Galaxy S21 FE vs. Google Pixel 6

Introduction to the new CSS aspect-ratio property – David Lozzi

Responsive Design Mode — Firefox Source Docs documentation

There Is No Such Thing As A CSS Absolute Unit — Smashing Magazine

mobile browsers use CSS Viewport instead of their real resolution · Issue #2376 · Scirra/Construct-bugs · GitHub

Technical characteristics of smartphones and tablets

Samsung Galaxy A52 5G Display review: Good value for the price - DXOMARK

Omnis Online Documentation