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How We Test Monitors

CR Staff
By Updated: 2023, Aug 22

When it comes to testing monitors, there are specific steps that need to be followed to ensure accurate and reliable results. These steps can vary depending on the project, but there are some common practices that are widely used. By understanding how monitor testing works, you can gain insights into the process and make informed decisions about your monitor choices.

The first step in monitor testing is to define the metrics that will be used to track the testing progress. These metrics can include the number of test cases executed, the number of defects found, the test coverage achieved, and the time spent testing. By establishing these metrics, testers can track their progress and identify any areas that need improvement.

Our Testing Methodology

At, we employ a comprehensive testing suite to rigorously evaluate monitors. This process involves utilizing specialized tools and equipment to ensure accurate and precise measurements.

Calibration and Analysis


We rely on the CalMAN monitor calibration software, renowned for its professional-grade capabilities in achieving optimal color accuracy. This software is adept at discerning color variations, luminance levels, and overall color performance. We deploy CalMAN on two dedicated testbed machines, each equipped with distinct hardware: an Asus Republic of Gamers Strix Hero II laptop and a custom-built desktop featuring an Nvidia GeForce RTX 2080 Founders Edition graphics card.

Klein K10-A Colorimeter


Integrated with CalMAN is the Klein K10-A colorimeter, a high-end device valued at $7,000. This cutting-edge tool enables us to extract precise measurements from the monitor’s display.

Ensuring Color Accuracy

To uphold stringent standards, we utilize the Murideo Six-G signal generator, a $2,500 apparatus. This generator guarantees that the colors captured by the Klein K10-A conform to the designated color space standards, such as Rec. 709 and DCI-P3.

Adaptive-Sync Performance


For monitors that support adaptive-sync technologies like FreeSync or G-Sync, we conduct additional testing using our graphics-card testbed desktop. This involves swapping in the appropriate AMD Radeon or Nvidia GeForce GPU based on the monitor’s adaptive-sync compatibility.

By employing this meticulous testing process, we aim to provide our readers with comprehensive and accurate insights into the performance and quality of the monitors we review.

Collecting the data

Once the metrics have been defined, the next crucial step is to collect the data that will be used to track them. This data can be collected manually or through automated tools, depending on the scope and complexity of the testing project. Manual data collection involves testers recording their observations and findings during the testing process. On the other hand, automated tools can provide real-time data on metrics such as response time, display quality, and other performance indicators.

Analyzing the data

With the data collected, the next step is to analyze it to identify any trends or patterns. This analysis plays a vital role in understanding how the monitor is performing and whether it meets the desired standards. By examining the data, testers can identify areas where the testing is not performing as expected or where additional testing may be needed. For example, if the response time of the monitor is consistently slow, it may indicate a problem that needs to be addressed.

Taking corrective actions

Based on the analysis of the data, corrective actions may need to be taken to ensure that the testing is on track. These actions could include re-prioritizing test cases, adjusting the test schedule, or adding additional resources to the testing team. The goal is to address any issues or deficiencies identified during the testing process and improve the overall performance of the monitor.

Communicating the results

The results of the monitor testing must be effectively communicated to the relevant stakeholders. This includes the project manager, the development team, and the quality assurance team. Clear and concise reporting of the findings is crucial to ensure that all parties are aware of the monitor’s performance and any actions that need to be taken. This communication helps in making informed decisions and addressing any concerns or issues that arise during the testing process.


Effective monitor testing is an essential part of the software testing process. It helps to ensure that the testing is being conducted effectively and efficiently, and that the software is being tested thoroughly and comprehensively. By following the steps outlined above, testers can gather accurate data, analyze it effectively, and take appropriate actions to improve the performance of the monitor. Remember, monitor testing is an ongoing process, and continuous monitoring and evaluation are necessary to ensure optimal performance. So, whether you are a gamer, a developer, or a regular computer user, understanding how monitor testing works can help you make informed decisions and ensure a seamless user experience.

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