Modern QD-OLED gaming monitors tend to perform decently and not get affected by burn-in too much, as far as Monitors Unboxed's test is concerned.
Monitors Unboxed Investigates MSI's 4K QD-OLED Monitor Burn-in Issue With Static Applications; Little Burn-in After 8 Hours of Daily Usage, And Added Protection Thanks To OLED Care & Long Warranty Support
The OLED panel's weakest point is image burn-in, which is why regular LCD panels tend to last longer. By deploying burn-in protection technologies, many monitor manufacturers are now trying to mitigate the issue so that their OLED monitors can last significantly longer. One of the major reasons for image burn-in is static images, which tend to harm OLED panels more than dynamic ones.
Static images are the worst-case scenario for OLED panels, which is exactly what Monitors Unboxed channel investigated by putting the MSI MPG 321URX through a rigorous test over 15 months. Before analyzing and concluding the test results, it's important to note that MU did this with settings that would further increase the image burn-in. This includes using mostly static apps and running the monitor for 8 hours a day, 7 days a week.
With brightness set to 200 nits and Windows 11 in the light mode with dark taskbar, MU finds that the image burn-in doesn't appear in a month or two. It takes around six months for a noticeable image burn-in, but that too isn't very apparent unless you try to find out the difference between the areas where the static images were displayed.
The dark taskbar clearly showed its mark on the screen, but the most noticeable one was the middle line, which was a result of snapping the application to the right. This helped in clearly seeing the difference between the two parts of the screen over months of usage. After 9 and 12 months, the difference was a bit more visible, and after 15 months, the image burn-in is clearly visible, but doesn't bother unless you have more greens being displayed or you have enhanced filters to see the changes.
The test demonstrates the cumulative effect, which is a gradual burn-in process and is only visible when static images are used for hours every day. As per MU's conclusion, in this worst-case scenario, the QD-OLED MSI monitor should be able to last for up to three years, which is much lower than the lifespan of LCDs. However, considering the MSI QD-OLED MPG 321URX has OLED protection features, the image burn-in won't be as noticeable as in the test.
For gamers, this shouldn't be a serious issue due to dynamic visuals, but for content creators who use apps like Adobe Premiere Pro or something similar, modern OLED monitors are fit for around two to three years.
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