Galaxy S24 Ultra screen size

Galaxy S24 Ultra: 6.8″ display, 1440 × 3120 resolution, 505 PPI, 384 × 832 CSS viewport at DPR 3.75.

To proportion

6.8″

Display size: 6.8″ (17.3 cm) diagonal official
Resolution: 1440 × 3120 px official
Pixel density: 505 PPI official
Aspect ratio: 19.5:9 calculated
Physical size (display): 2.85″ × 6.17″ (7.2 × 15.7 cm) calculated
CSS viewport: 384 × 832 px reference
Device pixel ratio: 3.75 reference
Release year: 2024

For developers

/* Galaxy S24 Ultra — portrait */
@media (width: 384px) and (min-resolution: 3.75dppx) { }

/* viewport: 384 × 832 CSS px · DPR 3.75 · panel: 1440 × 3120 */

Tailwind breakpoint

base

0px-639px

Bootstrap breakpoint

0px-575px

Image slot example

1536 × 864

384px wide at DPR 3.75

Test this device viewport

Galaxy S24 Ultra responsive workflow

Use the 384 × 832 CSS px at DPR 3.75 as a real QA target, then pair it with nearby widths for regression testing.

Open checklist Image assets for DPR Compare screen size

Values marked official come from the manufacturer's specifications (source) ; calculated values are derived from them; reference values are standard developer references for this model.