Monitor Specifications, Translated
See what common monitor specifications may change on screen, what each number leaves unanswered, and which footnotes to find before buying.
Last checked: July 26, 2026
A useful specification tells you the metric, the mode, and the test conditions. A lonely number mostly tells you what to investigate next. Use this table to translate a listing before you compare two models.
Monitor specification translation table
| Spec | What you may notice | What it does not prove |
|---|---|---|
| Resolution and PPI | More addressable pixels can improve fine detail or workspace. Pixel density also depends on physical size, and usable space depends on scaling. | It does not prove that text will look good in your operating system, application, subpixel layout, or viewing position. |
| Refresh rate | A higher supported rate can make compatible motion and interaction update more often. | It does not prove stable game frame delivery, low display latency, clean pixel transitions, or that every input supports the rate. |
| Response time | Pixel transitions influence blur, dark smearing, and bright or dark overshoot around moving edges. | One advertised transition does not describe every color change, refresh rate, overdrive mode, or total input latency. |
| Contrast ratio | The white-to-black relationship can affect shadow depth and dark-room image separation. | A ratio without measurement method, picture mode, local-dimming state, and test pattern does not describe real-scene behavior. |
| Brightness and HDR | Highlight visibility and bright-room readability depend partly on luminance and how the display controls light across the image. | A peak value or HDR badge alone does not prove sustained output, black level, color volume, tone mapping, or a good HDR experience. |
| Color gamut and accuracy | Gamut sets the available color range; accuracy describes error against a defined target in a stated mode. | A gamut percentage does not prove low error, correct white point, tone response, uniformity, or accuracy after changing modes. |
| Bit depth and FRC | The signal and panel pipeline influence the number of tone levels available and how gradients are formed. | A panel label does not prove that the whole application-to-display path uses that depth or that banding will be absent. |
| Adaptive sync | Inside a working variable-refresh range, the display can coordinate updates with changing frame delivery. | A compatibility label does not prove that the feature is enabled, covers every input or window mode, or avoids flicker on every panel. |
| Ports and bandwidth | The supported path decides which combinations of resolution, refresh, color format, HDR, USB data, and charging are available. | A connector shape or version name does not guarantee that the source, dock, cable, and monitor share the mode you want. |
Read the footnote before the headline
- Find the exact model suffix and the input used for the claim.
- Identify the resolution, refresh rate, picture mode, color format, and feature combination.
- Look for test pattern, window size, duration, temperature, or overdrive conditions where the metric needs them.
- Separate typical, minimum, maximum, and certified values.
- Check which features turn off or change when another high-bandwidth feature is enabled.
- Save the product page, manual, seller terms, and support documents that informed the purchase.
What FreeScreenTest can verify
The screen information page shows values exposed to the browser. The refresh check estimates visible-tab animation cadence. Gradient, motion, HDR, and uniformity pages give you consistent visual material for comparing settings on the screen in front of you.
None of those pages measures physical size, luminance, color error, contrast, flicker frequency, panel response, or display-only latency. Use an appropriate instrument and method when the decision depends on a number.
Technical references: Windows resolution and scaling, browser animation timing, browser dynamic-range detection, and VESA DisplayPort.