Devices with a 2560px wide viewport

2560px4 devices + 2 with other display settings

4 devices give web pages a 2560 CSS pixel wide viewport, with heights from 1080 to 1440px. If your layout fits 2560px, it fits all of them. Sizes this wide are about 2.48% of worldwide traffic in StatCounter’s top lists (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	–
29″ Ultrawide 2560×1080	2560×1080	1	2560×1080	–
Studio Display 27″ (5K)	2560×1440	2	5120×2880	2026

Also 2560px wide with a different setting

Device	Setting	CSS viewport
27″ 4K on a Mac (default)	Looks like 2560×1440	2560 × 1440
iMac 24″ (4.5K)	More space	2560 × 1440

Check your site at 2560px

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Designing for 2560px

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 (fix it).

Sharp images

At DPR 1 / 1.5 / 2, a full-width image needs 2560px / 3840px / 5120px of real pixels.

Every height at this width

2560 × 1080, 2560 × 1440

Nearby widths

Questions people ask

Which monitors have a 2560px wide viewport?

27″ QHD 2560×1440, 27–32″ 4K @ 150%, 29″ Ultrawide 2560×1080, Studio Display 27″, plus 2 more when the display size or scaling setting is changed.

Is 2560px the screen resolution?

No. 2560px is the width in CSS pixels, what web pages get. The screens have 1, 1.5, 2× as many physical pixels across (the device pixel ratio).

Which breakpoint applies at 2560px?

Tailwind CSS: 2xl (sm: md: lg: xl: 2xl: styles apply). Bootstrap: xxl. Media queries use this CSS width, not the screen resolution.

How common is a 2560px wide screen?

Screen sizes 2560px wide make up about 2.48% of the traffic in StatCounter’s top lists for Aug 2026 (2560×1440: 2.48%).