What is the viewport size of the QHD (1440p)?

The QHD (1440p) has a viewport size of 2560×1440 CSS pixels with a device pixel ratio of 1x. Its physical screen resolution is 2560×1440 pixels on a 27 inch display.

Which CSS breakpoint does the QHD (1440p) use?

The QHD (1440p) (2560px wide) falls into the "2xl" breakpoint in Tailwind CSS, "xxl" in Bootstrap 5, and "xl" in Material UI.

What is the device pixel ratio of the QHD (1440p)?

The QHD (1440p) has a device pixel ratio (DPR) of 1x, meaning each CSS pixel is rendered using 1×1 = 1 physical pixels. This gives the display sharp, high-density rendering for text and images.

Monitor Generic

QHD (1440p) Viewport Size

2560×1440 CSS pixels · 2560×1440 physical pixels · 1x DPR

Display Specifications

Viewport Width

2560px CSS pixels

Viewport Height

1440px CSS pixels

Physical Width

2560px hardware pixels

Physical Height

1440px hardware pixels

Device Pixel Ratio

1x 1 CSS px = 1×1 physical px

Colour Depth

24-bit 8-bit per channel

Screen Size

27 inch diagonal

Aspect Ratio

16:9

Operating System

Any

Release Year

2020

Touch Support

CSS Breakpoint Mapping

At 2560px wide, the QHD (1440p) falls into these CSS framework breakpoints:

Tailwind CSS v4

2xl

min-width: 1536px

Bootstrap 5

xxl

min-width: 1400px

Material UI v6

min-width: 1536px

Related Devices

Full HD (1080p)

1920×1080 · 1x DPR

2xl

4K UHD

1920×1080 · 2x DPR

2xl

Ultrawide 34″

3440×1440 · 1x DPR

2xl

Apple Studio Display

2560×1440 · 2x DPR

2xl

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