384 × 832 viewport: which devices use it?
384 × 832CSS px · 19.5:9
384 × 832 is the CSS viewport of 13 devices in our research, including the Samsung Galaxy S26 Ultra, Samsung Galaxy S26+, Samsung Galaxy S25 Ultra. It’s the #5 most common phone screen size worldwide (4.36%, Aug 2026). Turned sideways it becomes 832 × 384.
| Device | CSS viewport | DPR | Physical pixels | Year |
|---|---|---|---|---|
| Samsung Galaxy S26 Ultra | 384×832 | 2.8125 | 1440×3120 | 2026 |
| Samsung Galaxy S26+ | 384×832 | 2.8125 | 1440×3120 | 2026 |
| Samsung Galaxy S25 Ultra | 384×832 | 2.8125 | 1440×3120 | 2025 |
| Samsung Galaxy S25 Edge | 384×832 | 2.8125 | 1440×3120 | 2025 |
| Samsung Galaxy S25+ | 384×832 | 2.8125 | 1440×3120 | 2025 |
| Samsung Galaxy S25 FE | 384×832 | 2.8125 | 1080×2340 | 2025 |
| Samsung Galaxy S24 Ultra | 384×832 | 2.8125 | 1440×3120 | 2024 |
| Samsung Galaxy S24+ | 384×832 | 2.8125 | 1440×3120 | 2024 |
| Samsung Galaxy S24 FE | 384×832 | 2.8125 | 1080×2340 | 2024 |
| Samsung Galaxy A56 / A36 | 384×832 | 2.8125 | 1080×2340 | 2025 |
| Samsung Galaxy A55 / A35 | 384×832 | 2.8125 | 1080×2340 | 2024 |
| Samsung Galaxy A16 | 384×832 | 2.8125 | 1080×2340 | 2024 |
| Samsung Galaxy A15 / A25 | 384×832 | 2.8125 | 1080×2340 | 2023 |
Check your site at 384 × 832
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Designing for 384px wide
Breakpoints
Tailwind: base styles only (below sm, 640px). Bootstrap: xs. Sideways (832px): Tailwind md (sm: md: styles apply).
Room for content
352px with 16px side padding, 336px with 24px. Anything fixed wider than 384px makes the page scroll sideways (how to fix it).
All devices 384px wide, whatever their height.
Nearby sizes
Questions people ask
Which phone have a 384 × 832 viewport?
Samsung Galaxy S26 Ultra, Samsung Galaxy S26+, Samsung Galaxy S25 Ultra, Samsung Galaxy S25 Edge, Samsung Galaxy S25+, Samsung Galaxy S25 FE and 7 more.
Is 384 × 832 the screen resolution?
No, it’s the viewport in CSS pixels. The physical screen has more pixels: the Samsung Galaxy S26 Ultra is 1440 × 3120 (DPR 2.8125); the Samsung Galaxy S26+ is 1440 × 3120 (DPR 2.8125).
Which breakpoint does a 384px wide screen use?
Tailwind CSS: base styles only (below sm, 640px). Bootstrap: xs.
How common is 384 × 832?
4.36% of mobile screens worldwide (#5) in Aug 2026, according to StatCounter.
Guides that help
- What is a viewport? CSS pixels vs screen resolutionA viewport is the area your page is laid out in, measured in CSS pixels, not screen pixels. See real numbers from iPhones and MacBooks, then check yours.Guides · 8 min read
- How to fix horizontal scrolling on mobile (12 causes)Page wobbles sideways on phones? The 12 usual causes of horizontal scrolling on mobile, a fix for each, and a console snippet that finds the culprit fast.Fixes · 9 min read
- Responsive breakpoints in 2026 — the widths that matterWhere 123 real phones, tablets, laptops and monitors land in CSS pixels, which responsive breakpoints actually matter in 2026, and which screens to test.Guides · 8 min read