Monitor Companies Have Been Lying To You
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Promos
Sign up today for Oracle's CloudWorld event hosted in Las Vega from October 17th - 20th and use code DEVY to save $400 at the link here: lmg.gg The "response time" spec you often see published with monitors is often derived from cherry-picked tests. Learn about VESA's ClearMR certification, which should give you a better idea of how a display actually performs. Leave a reply with your requests for future episodes. ► GET MERCH: lttstore.com ► AFFILIATES, SPONSORS & REFERRALS: lmg.gg ► PODCAST GEAR: lmg.gg ► SUPPORT US ON FLOATPLANE: floatplane.com FOLLOW US ELSEWHERE --------------------------------------------------- Twitter: twitter.com Facebook: @LinusTech Instagram: @linustech TikTok: @linustech Twitch: twitch.tv
The video argues that monitor manufacturers routinely manipulate response time measurements to present faster, more impressive specs than what users actually experience. It explains how response time is defined as the speed at which pixels shift from one color value to another, and why this matters for motion clarity and image quality. The creator details several ways tests can be biased: testing in artificially hot room temperatures that hasten liquid crystal response, applying aggressive overdrive settings that speed up transitions but produce artifacts like inverse ghosting, and cherry-picking results from the best units rather than averaging across production samples. The video introduces the idea of standardized testing through VESA’s ClearMR certification, which sets fixed conditions such as a narrow temperature range, testing at native resolution, a warm-up period, and default settings, with overshoot and undershoot thresholds to quantify true performance. It explains the meaning of the ClearMR score and how it attempts to provide a more honest comparison by rating how many clear pixels exist relative to blurry ones, with certification levels like ClearMR 3000 and 7000. The discussion concludes with reflections on the potential impact of these standards on both consumers and manufacturers, noting that ClearMR is still new but could become a common benchmark similar to HDR certification, especially for gaming monitors. The sponsor segment briefly promotes Oracle Cloud World, but the core message remains about pushing for transparent, standardized display testing to prevent misleading marketing claims. The video invites viewer questions for future episodes and reinforces the call for more rigorous, independent testing of display technology.
Topics · technology · consumer_electronics · science · testing_standards
Questions answered
- What is the main reason monitor response time numbers can be misleading?
- Response time numbers can be misleading because tests may be performed under favorable conditions, using aggressive overdrive, or cherry-picked from the best units, which do not reflect typical real-world usage.
- What is ClearMR and what does it measure?
- ClearMR is a VESA certification that standardizes monitor testing by setting controlled temperature ranges, testing at native resolution with a warm-up period and default settings, and measuring overshoot and undershoot to derive a ratio of clear pixels to blurry pixels.