448 × 998 viewport: which devices use it?
448 × 998CSS px · 20:9
448 × 998 is the CSS viewport of 3 devices in our research, including the Google Pixel 10 Pro XL, Google Pixel 9 Pro XL, Google Pixel 8 Pro. Turned sideways it becomes 998 × 448.
| Device | CSS viewport | DPR | Physical pixels | Year |
|---|---|---|---|---|
| Google Pixel 10 Pro XL | 448×998 | 2.25 | 1344×2992 | 2025 |
| Google Pixel 9 Pro XL | 448×998 | 2.25 | 1344×2992 | 2024 |
| Google Pixel 8 Pro | 448×998 | 2.25 | 1344×2992 | 2023 |
Check your site at 448 × 998
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Designing for 448px wide
Breakpoints
Tailwind: base styles only (below sm, 640px). Bootstrap: xs. Sideways (998px): Tailwind md (sm: md: styles apply).
Room for content
416px with 16px side padding, 400px with 24px. Anything fixed wider than 448px makes the page scroll sideways (how to fix it).
All devices 448px wide, whatever their height.
Nearby sizes
Questions people ask
Which phone have a 448 × 998 viewport?
Google Pixel 10 Pro XL, Google Pixel 9 Pro XL, Google Pixel 8 Pro.
Is 448 × 998 the screen resolution?
No, it’s the viewport in CSS pixels. The physical screen has more pixels: the Google Pixel 10 Pro XL is 1344 × 2992 (DPR 2.25); the Google Pixel 9 Pro XL is 1344 × 2992 (DPR 2.25).
Which breakpoint does a 448px 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