DisplayPixels • Learn — Display & Monitor Guides

Everything you need to know about screen technology — from choosing the right resolution to calibrating colours for professional work. All guides are written by display enthusiasts and kept up to date.

Resolution & Screen Size

4K vs 1440p vs 1080p: Which Resolution Is Right for You? A side-by-side comparison of the three most popular desktop resolutions, covering pixel density, GPU demands, scaling, and the best use case for each.
Best Monitor Resolution for Gaming in 2026 From competitive 1080p to immersive 4K ultrawide — how to pick the resolution that matches your GPU, play style, and budget.
Best Screen Resolution for Video Editing: What You Need Why timeline real-estate matters, how proxy workflows change the equation, and which panel specs video editors should prioritise.
DPI vs PPI: What's the Difference and Why It Matters Two acronyms that are constantly confused. Learn when each applies, how to calculate PPI, and why DPI settings in your OS aren't what you think.
Understanding Device Pixel Ratio (DPR) for Web Developers CSS pixels, hardware pixels, Retina maths, and the srcset attribute — a practical deep-dive for front-end developers.

Colour & Calibration

Monitor Color Spaces Explained: sRGB, Adobe RGB, and DCI-P3 What colour spaces are, how they map to the visible spectrum, and which one you should care about for web, print, or cinema work.
How to Calibrate Your Monitor for Accurate Colors Step-by-step calibration on Windows, macOS, and Linux — with and without a hardware colorimeter. Plus ICC profiles explained.
How to Check if Your Monitor Supports Wide Gamut (P3) Quick tests and spec-sheet tips to find out whether your display actually renders the wider P3 colour space.
What Is HDR? HDR10 vs HDR10+ vs Dolby Vision Explained Peak brightness, tone mapping, and the standards war — everything you need to know before buying an HDR monitor or TV.
How to Choose a Monitor for Photo Editing Delta E, panel types, gamut coverage, and the specs that actually matter when colour accuracy is non-negotiable.

Refresh Rate & Pixel Health

Monitor Refresh Rate Guide: 60 Hz vs 144 Hz vs 240 Hz vs 360 Hz Frame-time maths, adaptive sync, motion clarity, and how to decide when the jump to a higher refresh rate is worth it.
How to Fix Stuck and Dead Pixels: Complete Guide Pressure tricks, flashing tools, and manufacturer warranty policies — your options when a pixel goes rogue.
What Causes Dead Pixels and Can You Prevent Them? LCD and OLED pixel anatomy, manufacturing defects, electrical failures, and practical prevention tips.

Web Development

Responsive Web Design Breakpoints: The Complete 2026 Guide Mobile-first vs desktop-first, Bootstrap and Tailwind defaults, container queries, and the breakpoints that actually matter today.
CSS Media Queries: A Complete Beginner's Guide Syntax, width queries, dark-mode detection, reduced-motion, DPR targeting, and real-world code patterns from scratch.