412 × 906 viewport: which devices use it?
412 × 906CSS px · 19.8:9
412 × 906 is the CSS viewport of 1 device in our research, including the OnePlus 13 / 12. Turned sideways it becomes 906 × 412.
| Device | CSS viewport | DPR | Physical pixels | Year |
|---|---|---|---|---|
| OnePlus 13 / 12 | 412×906 | 2.625 | 1440×3168 | 2025 |
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Designing for 412px wide
Breakpoints
Tailwind: base styles only (below sm, 640px). Bootstrap: xs. Sideways (906px): Tailwind md (sm: md: styles apply).
Room for content
380px with 16px side padding, 364px with 24px. Anything fixed wider than 412px makes the page scroll sideways (how to fix it).
All devices 412px wide, whatever their height.
Nearby sizes
Questions people ask
Which phone has a 412 × 906 viewport?
OnePlus 13 / 12.
Is 412 × 906 the screen resolution?
No, it’s the viewport in CSS pixels. The physical screen has more pixels: the OnePlus 13 / 12 is 1440 × 3168 (DPR 2.625).
Which breakpoint does a 412px wide screen use?
Tailwind CSS: base styles only (below sm, 640px). Bootstrap: xs.
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