Hardware & Components / Knowledge library

QHD — Quad High Definition

Commonly identifies a 2560 by 1440 display resolution.

Acronym study batch 1 · reviewed 2026-10-20

Why learn QHD — Quad High Definition?

Commonly identifies a 2560 by 1440 display resolution.

Where it came from

QHD and quarter-HD are different labels.

• Memory aid (a learning cue, not the expansion): Quad 720p pixel count makes 1440p.

Build your understanding

Work through these exercises in order. Try the task before opening a reference.

1. Without looking, expand QHD: Quad High Definition.
2. Recall this memory aid: Quad 720p pixel count makes 1440p.
3. Explain the practical use: Commonly identifies a 2560 by 1440 display resolution.
4. Explain this distinction: QHD and quarter-HD are different labels.
5. Identify QHD in a device specification, architecture diagram, or system inventory.

Documentation and sources

• Samsung LCD backlighting and OLED pixels (global.samsungdisplay.com)
• VESA standards (vesa.org)

Catalog source: technology-maxxing. This page reproduces the existing catalog’s learning material and source links.