2560 × 1440 viewport: which devices use it?
2560 × 1440CSS px · 16:9
2560 × 1440 is the CSS viewport of 3 devices in our research, including the 27″ QHD 2560×1440, 27–32″ 4K @ 150% (Windows), Studio Display 27″ (5K). It’s the #5 most common desktop screen size worldwide (2.48%, Aug 2026).
| Device | CSS viewport | DPR | Physical pixels | Year |
|---|---|---|---|---|
| 27″ QHD 2560×1440 | 2560×1440 | 1 | 2560×1440 | – |
| 27–32″ 4K @ 150% (Windows) | 2560×1440 | 1.5 | 3840×2160 | – |
| Studio Display 27″ (5K) | 2560×1440 | 2 | 5120×2880 | 2026 |
Check your site at 2560 × 1440
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Designing for 2560px wide
Breakpoints
Tailwind: 2xl (sm: md: lg: xl: 2xl: styles apply). Bootstrap: xxl.
Room for content
2528px with 16px side padding, 2512px with 24px. Anything fixed wider than 2560px makes the page scroll sideways (how to fix it).
All devices 2560px wide, whatever their height.
Questions people ask
Which monitor have a 2560 × 1440 viewport?
27″ QHD 2560×1440, 27–32″ 4K @ 150% (Windows), Studio Display 27″ (5K).
Is 2560 × 1440 the screen resolution?
No, it’s the viewport in CSS pixels. The physical screen has more pixels: the 27″ QHD 2560×1440 is 2560 × 1440 (DPR 1); the 27–32″ 4K @ 150% (Windows) is 3840 × 2160 (DPR 1.5).
Which breakpoint does a 2560px wide screen use?
Tailwind CSS: 2xl (sm: md: lg: xl: 2xl: styles apply). Bootstrap: xxl.
How common is 2560 × 1440?
2.48% of desktop screens worldwide (#5) in Aug 2026, according to StatCounter.
Guides that help
- Most common screen resolutions in 2026 (real data)StatCounter's August 2026 figures for the most common desktop, mobile and tablet screen resolutions, what they really measure, and which sizes to test.Data · 7 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
- Windows display scaling and the 1536×864 viewportWhy a 1920×1080 Windows laptop shows websites at 1536x864, what 100%, 125% and 150% scaling do to your viewport, and how much height is left in Chrome.Devices · 7 min read