360 × 780 viewport: which devices use it?
360 × 780CSS px · 19.5:9
360 × 780 is the CSS viewport of 4 devices in our research, including the Samsung Galaxy S26, Samsung Galaxy S25, Samsung Galaxy S24. It’s the #6 most common phone screen size worldwide (3.17%, Aug 2026). Turned sideways it becomes 780 × 360.
| Device | CSS viewport | DPR | Physical pixels | Year |
|---|---|---|---|---|
| Samsung Galaxy S26 | 360×780 | 3 | 1080×2340 | 2026 |
| Samsung Galaxy S25 | 360×780 | 3 | 1080×2340 | 2025 |
| Samsung Galaxy S24 | 360×780 | 3 | 1080×2340 | 2024 |
| Samsung Galaxy S23 | 360×780 | 3 | 1080×2340 | 2023 |
Check your site at 360 × 780
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Designing for 360px wide
Breakpoints
Tailwind: base styles only (below sm, 640px). Bootstrap: xs. Sideways (780px): Tailwind md (sm: md: styles apply).
Room for content
328px with 16px side padding, 312px with 24px. Anything fixed wider than 360px makes the page scroll sideways (how to fix it).
All devices 360px wide, whatever their height.
Nearby sizes
Questions people ask
Which phone have a 360 × 780 viewport?
Samsung Galaxy S26, Samsung Galaxy S25, Samsung Galaxy S24, Samsung Galaxy S23.
Is 360 × 780 the screen resolution?
No, it’s the viewport in CSS pixels. The physical screen has more pixels: the Samsung Galaxy S26 is 1080 × 2340 (DPR 3); the Samsung Galaxy S25 is 1080 × 2340 (DPR 3).
Which breakpoint does a 360px wide screen use?
Tailwind CSS: base styles only (below sm, 640px). Bootstrap: xs.
How common is 360 × 780?
3.17% of mobile screens worldwide (#6) 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