Native resolution 1440 × 3200 px at 3.27× · 522 PPI · 6.73″ · 9:20. Design at 440 × 979 and export assets at 3.27×.
| Property | Value |
|---|---|
| CSS viewport (portrait) | 440 × 979 px |
| CSS viewport (landscape) | 979 × 440 px |
| Native resolution | 1440 × 3200 px |
| Device pixel ratio | 3.27× |
| Pixel density | 522 PPI |
| Screen diagonal | 6.73 in |
| Panel size | 2.76 × 6.13 in |
| Aspect ratio | 9:20 |
| Total pixels | 4.61 MP |
| Released | 2025 |
| Operating system | Android |
Among the 130 phones on this site, the Xiaomi 15 Ultra has the 13th largest CSS viewport area. Its 440 px width is 41 px above the 399 px average for this category.
Targeting the Xiaomi 15 Ultra in CSS
Device-specific media queries are brittle — a new model with the same width will not match. Use them for genuine per-device fixes only, and prefer width buckets for layout.
/* Target Xiaomi 15 Ultra specifically */
@media only screen
and (device-width: 440px)
and (device-height: 979px)
and (-webkit-device-pixel-ratio: 3.27) {
/* … */
}
/* More useful in practice — the width bucket it falls into */
@media (min-width: 440px) { /* … */ }Compare with other Android Phones models
| Device | CSS viewport | Native | DPR | PPI | Diagonal |
|---|---|---|---|---|---|
| Xiaomi 15 Ultra | 440 × 979 | 1440 × 3200 | 3.27× | 522 | 6.73″ |
| Samsung Galaxy S25 Edge | 384 × 832 | 1440 × 3120 | 3.75× | 513 | 6.7″ |
| Samsung Galaxy S25+ | 384 × 832 | 1440 × 3120 | 3.75× | 513 | 6.7″ |
| Samsung Galaxy A56 | 360 × 780 | 1080 × 2340 | 3× | 385 | 6.7″ |
| Samsung Galaxy A36 | 360 × 780 | 1080 × 2340 | 3× | 385 | 6.7″ |
| Samsung Galaxy A26 | 360 × 780 | 1080 × 2340 | 3× | 385 | 6.7″ |
| Nothing Phone (3) | 384 × 854 | 1260 × 2800 | 3.28× | 460 | 6.67″ |
| Xiaomi Redmi Note 14 Pro | 394 × 875 | 1220 × 2712 | 3.1× | 446 | 6.67″ |
| Google Pixel 10 Pro XL | 448 × 997 | 1344 × 2992 | 3× | 486 | 6.8″ |
Questions about the Xiaomi 15 Ultra screen
What is the screen size of the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra has a 6.73-inch display. In CSS the viewport measures 440 × 979 px in portrait, and the panel itself has 1440 × 3200 physical pixels at 522 PPI.
What resolution should I design for on the Xiaomi 15 Ultra?
Design at 440 × 979 and export assets at 3.27×. That gives you 1440 × 3200 px images, which is exactly what the panel renders. Designing directly at 1440 × 3200 means every measurement is 3.27 times larger than the CSS values you will write.
What is the device pixel ratio of the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra reports a device pixel ratio of 3.27. One CSS pixel therefore covers 10.69 device pixels. You can read it in JavaScript with window.devicePixelRatio.
Which other devices have the same viewport as the Xiaomi 15 Ultra?
2 other devices share the 440 × 979 CSS viewport: Xiaomi 14 Ultra, Xiaomi 13 Pro. A layout that works on one works on all of them.
Related
window.innerWidth/innerHeight reported by the stock browser with no browser chrome. See methodology and sources.