384 × 854
Aspect Ratio 192:427
Pixel Density 515 PPI

Samsung Galaxy S21 Ultra Viewport

The Samsung Galaxy S21 Ultra has a logical CSS viewport size of 384px width and 854px height. Web designers and developers should use these dimensions to set accurate media query breakpoints for responsive layouts. This device features a pixel density of 515 PPI, utilizing a high-DPI scaling factor for sharp rendering on Android.

Technical Specifications

Logical Width (CSS)384px
Logical Height (CSS)854px
Operating SystemAndroid
Release Year2021
CSS Media Query Snippet 
/* Target Samsung Galaxy S21 Ultra specifically */
@media only screen and (max-width: 384px) {
  /* Responsive styles go here */
}

Frequently Asked Questions

What is the CSS resolution of Samsung Galaxy S21 Ultra?

The logical CSS resolution is 384px x 854px. Browsers use these dimensions to calculate layout flow and media queries, regardless of the physical pixel count.

How do I target Samsung Galaxy S21 Ultra in CSS?

Use a standard media query like @media (max-width: 384px) to apply specific styles for screens of this size or smaller.