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Screen Width: - pixels
Screen Height: - pixels
Total Pixels: - pixels
Aspect Ratio: -
Diagonal (pixels): - pixels
Estimated Diagonal: - inches
Estimated Width: - inches
Estimated Height: - inches
Estimated Pixel Density: - PPI
Device Pixel Ratio: -
Available Width: - pixels
Available Height: - pixels
Viewport Width: - pixels
Viewport Height: - pixels
Color Depth: - bits
Pixel Depth: - bits
Color Gamut: -
HDR Support: -
Refresh Rate: -
Orientation: -
Orientation Angle: -°
Touch Enabled: -
Max Touch Points: -
Estimated Brand: -
Platform: -
User Agent: -
Device Memory: -
Hardware Concurrency: - cores
Connection Type: -
Online Status: -
Screen resolution and display properties are fundamental aspects of your computing experience that affect everything from text clarity to video quality. This comprehensive guide will help you understand the various metrics displayed in a screen resolution test, what they mean for your daily use, and how to troubleshoot common display issues across different operating systems.
Your screen resolution represents the total number of pixels displayed horizontally and vertically on your monitor. For example, a resolution of 1920 × 1080 means your screen displays 1,920 pixels across and 1,080 pixels down.
Common resolutions include:
Higher resolutions provide sharper images and more screen real estate, but require more powerful graphics hardware and may make text and interface elements appear smaller.
This metric multiplies your screen's width by its height to show the total number of pixels your display can show. A 1920 × 1080 display has 2,073,600 total pixels. More pixels generally mean better image quality and more detailed visuals.
The aspect ratio describes the proportional relationship between your screen's width and height. Common ratios include:
Understanding your aspect ratio helps when choosing wallpapers, watching videos, or determining if content will display with black bars.
This measurement calculates the diagonal pixel count using the Pythagorean theorem. While less commonly referenced than physical diagonal size, it provides a pixel-based measure of screen size that's useful for comparing displays with different resolutions.
The test estimates your monitor's physical diagonal size in inches based on common screen resolutions and typical pixel densities. This estimation helps you understand your screen's physical dimensions without measuring.
These values estimate your screen's physical dimensions by dividing pixel counts by the estimated pixel density. While approximations, they give you a sense of your display's actual size.
Pixels Per Inch (PPI) indicates how densely pixels are packed on your screen. Higher PPI values mean sharper images and text:
Higher pixel density displays show smoother text and images but may require display scaling to maintain readable interface sizes.
This value indicates the ratio between physical pixels and CSS pixels. A ratio of 2 means that for every CSS pixel, the display uses 4 physical pixels (2×2). This is crucial for web developers and affects how sharp images and text appear on high-density displays.
These measurements show the usable screen space after accounting for system elements like taskbars, docks, or menu bars. This represents the actual space available for applications and is typically slightly less than your full screen resolution.
Understanding available screen area helps when:
The viewport represents the visible area of a web page in your browser window. These values change as you resize your browser and are crucial for responsive web design. They're always equal to or smaller than your available screen area.
Color depth indicates how many bits are used to represent each pixel's color. Common values:
Most modern displays use 24-bit or higher color depth for accurate color reproduction.
Often identical to color depth, pixel depth represents the number of bits used per pixel. The difference lies in technical implementation details that rarely affect end users.
Color gamut defines the range of colors your display can reproduce:
Wider gamuts display more vibrant and accurate colors, particularly important for photo editing, video production, and viewing HDR content.
High Dynamic Range (HDR) support indicates whether your display can show enhanced contrast and color ranges. HDR displays show brighter whites, deeper blacks, and more nuanced colors in supported content.
Measured in Hertz (Hz), refresh rate indicates how many times per second your display updates its image:
Higher refresh rates provide smoother motion, reduced eye strain, and better gaming performance.
If text appears too small or large:
If resolution seems wrong:
For refresh rate issues:
Color problems:
Adjusting display scaling:
Resolution changes:
Refresh rate adjustment:
Color calibration:
Display configuration:
Using xrandr (command line):
bash
# List available modes xrandr
# Set specific resolution xrandr --output HDMI-1 --mode 1920x1080 --rate 60For HiDPI displays:
Display adjustments:
Contact technical support or consider hardware inspection if:
Your display configuration affects system performance:
If experiencing performance issues:
Different cables support different maximum resolutions and refresh rates:
Your graphics card must support your desired resolution and refresh rate. Integrated graphics may struggle with:
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