Native resolution 1080 × 2400 px at 2.81× · 394 PPI · 6.7″ · 9:20. Design at 384 × 854 and export assets at 2.81×.
| Property | Value |
|---|---|
| CSS viewport (portrait) | 384 × 854 px |
| CSS viewport (landscape) | 854 × 384 px |
| Native resolution | 1080 × 2400 px |
| Device pixel ratio | 2.81× |
| Pixel density | 394 PPI |
| Screen diagonal | 6.7 in |
| Panel size | 2.74 × 6.09 in |
| Aspect ratio | 9:20 |
| Total pixels | 2.59 MP |
| Released | 2021 |
| Operating system | Android |
Among the 130 phones on this site, the Samsung Galaxy S21+ has the 75th largest CSS viewport area. Its 384 px width is 15 px below the 399 px average for this category.
Targeting the Samsung Galaxy S21+ 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 Samsung Galaxy S21+ specifically */
@media only screen
and (device-width: 384px)
and (device-height: 854px)
and (-webkit-device-pixel-ratio: 2.81) {
/* … */
}
/* More useful in practice — the width bucket it falls into */
@media (min-width: 384px) { /* … */ }Compare with other Android Phones models
| Device | CSS viewport | Native | DPR | PPI | Diagonal |
|---|---|---|---|---|---|
| Samsung Galaxy S21+ | 384 × 854 | 1080 × 2400 | 2.81× | 394 | 6.7″ |
| Google Pixel 6 Pro | 412 × 892 | 1440 × 3120 | 3.5× | 512 | 6.7″ |
| Samsung Galaxy S21 Ultra | 480 × 1067 | 1440 × 3200 | 3× | 515 | 6.8″ |
| Samsung Galaxy A52 | 360 × 800 | 1080 × 2400 | 3× | 405 | 6.5″ |
| Google Pixel 6 | 412 × 915 | 1080 × 2400 | 2.625× | 411 | 6.4″ |
| Samsung Galaxy S21 | 360 × 800 | 1080 × 2400 | 3× | 421 | 6.2″ |
| Google Pixel 7 Pro | 412 × 892 | 1440 × 3120 | 3.5× | 512 | 6.7″ |
| Samsung Galaxy S22 Ultra | 480 × 1029 | 1440 × 3088 | 3× | 500 | 6.8″ |
| Samsung Galaxy S22+ | 384 × 833 | 1080 × 2340 | 2.81× | 390 | 6.6″ |
Questions about the Samsung Galaxy S21+ screen
What is the screen size of the Samsung Galaxy S21+?
The Samsung Galaxy S21+ has a 6.7-inch display. In CSS the viewport measures 384 × 854 px in portrait, and the panel itself has 1080 × 2400 physical pixels at 394 PPI.
What resolution should I design for on the Samsung Galaxy S21+?
Design at 384 × 854 and export assets at 2.81×. That gives you 1080 × 2400 px images, which is exactly what the panel renders. Designing directly at 1080 × 2400 means every measurement is 2.81 times larger than the CSS values you will write.
What is the device pixel ratio of the Samsung Galaxy S21+?
The Samsung Galaxy S21+ reports a device pixel ratio of 2.81. One CSS pixel therefore covers 7.9 device pixels. You can read it in JavaScript with window.devicePixelRatio.
Which other devices have the same viewport as the Samsung Galaxy S21+?
1 other device shares the 384 × 854 CSS viewport: Nothing Phone (3). 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.