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We've spent the last two years aggressively burning in our 4K QD-OLED monitor, and it's time to take a look at how it's holding up. If you're new to this series, we've been intentionally burning in our MSI MPG 321URX monitor by using it exclusively for productivity work.
We're talking static desktop content all day – writing scripts, browsing the web, updating spreadsheets, and more. It's the complete opposite of how we normally recommend using an OLED, which is primarily for content consumption like gaming or video playback.
This all stems from my decision two years ago to replace the 32-inch 4K IPS LCD I used in my workstation with a brand-new 32-inch 4K QD-OLED (other TechSpot staff members have done the same, but none are torturing their monitor on purpose).
I changed nothing about my setup to test what it would be like to use an OLED in the same way as an LCD. That means no dark mode, no minimizing the taskbar, and no screensaver set after just a few minutes of inactivity. This is an extremely demanding use case for an OLED, but it's also a realistic real-world test because it's exactly how I've been using my workstation for years.
At this point, I've been using this OLED for approximately 6,500 hours, which equates to 8 to 10 hours of static use at 200 nits of brightness every single day. The panel reports that 659 compensation cycles have been run, which represents a normal pace maintained throughout this testing.
Number of Compensation Cycles
MSI MPG 321URX QD-OLED
The recommended rate for compensation cycles is every four hours, but running them that frequently is disruptive during work because the monitor becomes unusable for seven minutes while the cycle runs. If the display were being put to sleep regularly and the recommended rate followed, we'd expect to see closer to 1,500 compensation cycles by this point.
We have purposefully been using a 4K OLED monitor in ways that will cause permanent burn-in. This is not how you should be using an OLED monitor, but we're taking one for the team.
In this update, we're showing the 6, 12, 18, and 24-month results. We're again focusing on the center of the display, which is where previous tests showed visible burn-in. We've continued using the same method from the last few updates to make these burn-in results visible despite image compression. This includes adding a small amount of static noise to the image, which appears to reduce compression artifacts and makes the burn-in easier to see.
First up are the original, unenhanced examples as captured directly by the camera. These examples roughly reflect what burn-in looks like in real life, although in some situations the artifacts are actually more visible in person than they appear here. Initially, after just a few months of testing, burn-in was quite difficult to spot in the unenhanced examples. Over time, however, it has become more noticeable, particularly when viewing dark to mid-dark uniform gray content.
The examples shown here were captured at six-month intervals and illustrate a gradual decline in screen uniformity along with an increase in burn-in. The most noticeable artifact is the line running down the center of the screen, which corresponds to the border between applications when used in a side-by-side layout. This line is an example of inverse burn-in: the brighter application windows have degraded other areas of the screen faster than the darker line separating the apps.
After 2 years, the line is clearly visible, though we wouldn't say burn-in is accelerating. The results are still fairly similar to what we observed at 18 months. However, when comparing 24 months to 12 months, the difference becomes more noticeable, especially with certain dark gray patterns that make the line more apparent in everyday use.
As the left and right halves of the screen gradually become darker and more worn over time, the central line stands out more clearly against the rest of the panel. At the 24-month mark, we're seeing both a more visible central line and a generally darker appearance across the rest of the display.
The other major artifact is the taskbar, which has also experienced inverse burn-in. We use a dark taskbar with light-mode applications, so the brighter application windows have degraded that area of the screen faster than the taskbar itself. This is the area where we've seen the most visible change between each six-month interval. After six months, taskbar burn-in was essentially a non-issue. It became slightly visible at 12 months, more noticeable at 18 months, and now even more apparent at 24 months. We think the difference between 18 and 24 months is particularly noticeable.
Burn-In Results with Enhancement Filter
When we enable the burn-in enhancement filter, these artifacts become more obvious. To be clear, these are digitally enhanced images of the screen that deliberately exaggerate the small uniformity differences captured by the camera. This is not how the panel looks in real life – the filter is simply designed to make burn-in observations easier.
With the filter enabled, we actually think the line down the center of the screen appears slightly less noticeable after 24 months than it did at 18 months, though this is mainly because the left and right halves have darkened and degraded further. In the 18-month examples, there is a clear difference in uniformity between the left and right halves, which makes the center line stand out more.
In the 24-month examples, the degradation on both sides has become more even. However, the overall level of burn-in after 24 months is clearly more significant than what we saw at 12 months.
The taskbar, on the other hand, shows what appears to be a steady, linear increase in the visibility of the inverse burn-in pattern. This portion of the screen is degrading more slowly than the surrounding areas, which keeps its relative luminance higher in these dark gray test patterns. With the enhancement filter enabled, taskbar burn-in is very obvious, although it is less distracting during normal use.
After 24 months, we also noticed for the first time that some app icons have begun to burn into the taskbar area, appearing as faint shadows within the brighter taskbar region. Here we've zoomed in and focused specifically on the section of the taskbar where apps are pinned. Without the enhancement filter, you can just make out some shadows corresponding to icons, and we'd say this effect is slightly more visible in person than it appears here.
When using the enhancement filter, this burn-in becomes much more obvious and confirms what we were faintly seeing during normal use. App icons are now starting to burn in. You can't clearly identify the specific icons, but this is the most distinct example of traditional burn-in we've seen throughout this testing so far.
App icons are now starting to burn in. You can't clearly identify the specific icons, but this is the most distinct example of traditional burn-in we've seen throughout this testing so far.
The line and taskbar artifacts are examples of inverse burn-in affecting larger areas of the display. In contrast, this is burn-in caused by smaller, distinct elements that remain in the same position on the screen most of the time. It was bound to happen eventually – and now it's visible.
We also spotted similar burn-in in the bottom-right corner of the display, where Windows places the time, date, and status icons. With a dark taskbar, this text appears bright and remains fixed in the same position, which is why we're now seeing a faint shadow-like burn-in artifact in this area. It is less distinct than the app icons, likely because each element in this region uses thinner and smaller shapes.
Color Examples, Subpixel Degradation
We can also use color test patterns to examine how the display's individual subpixels are degrading. As we found in earlier updates, the red subpixel has degraded the least – we only started to notice faint burn-in around the 15-month mark. The blue subpixel is the second most affected, with more visible burn-in dating back to roughly the six-month mark. The green subpixel is clearly the most affected of the three. It is degrading the fastest and appears to contribute the most to the overall burn-in results.
None of these results have changed substantially between 18 months and 24 months – the changes largely represent a gradual continuation of the trends observed earlier.
OLED Color Temperature Over Time
MSI MPG 321URX QD-OLED - White Point
Uneven aging of the subpixels can also cause a shift in color temperature over time. That's exactly what we noticed around the 12-month mark, when the display's white point shifted from 6,450K to 6,350K. However, when we retested at 24 months, we found that the color temperature had slightly shifted back up to around 6,390K.
It's still too early to determine whether this represents a consistent trend caused by compensation cycles helping to balance subpixel wear, or if it's simply a one-off variation in this round of testing. For now, the color temperature remains broadly similar to when we first received the monitor, and we don't consider it a major concern in terms of burn-in so far.
Peak Brightness Changes
OLED Peak Brightness Over Time
MSI MPG 321URX QD-OLED - Max Full Screen SDR Brightness
There is also a theory that burn-in compensation cycles may gradually reduce peak brightness over time, as the display attempts to compensate for uneven wear by lowering the overall brightness of the panel.
During the first 18 months of testing, we observed absolutely no change in brightness – it started at a peak of 243 nits and remained at 243 nits the entire time. After 21 months, however, we recorded a small drop for the first time, with peak brightness measuring 238 nits. We retested this month and again measured 238 nits. So there has been no additional brightness degradation since then, but the small reduction observed previously remains in place.
Two Years of Burn-in: Timelapse
Here's an accelerated time-lapse of the burn-in so far. There isn't much that's different from the last time we showed this sequence, but it provides the usual view of gradual degradation and burn-in over two years of use.
Many of the artifacts first appeared as early as three to six months in, while more recently we've started seeing things like taskbar icon burn-in.
How Burn-In Affects Daily Use
How has burn-in affected our use of this monitor so far? There are no substantial changes at the 24-month mark compared to the previous update at 21 months. However, for some time now we've noticed that some of these artifacts are visible during real-world use.
We occasionally notice the line down the center of the screen in productivity apps that use dark gray backgrounds, such as Adobe Photoshop and Premiere. That's fairly annoying. It doesn't have a major impact or make our work impossible, but it is a constant reminder that the OLED panel has experienced burn-in.
On a few occasions while editing videos, I've even mistaken the line for an issue in the footage itself rather than a burn-in artifact from the monitor, though that situation is still relatively rare.
The taskbar burn-in and the faint app icon burn-in have had little to no impact so far because I almost always use the monitor with the taskbar visible. That effectively hides the burn-in since the same static elements remain on screen.
At some point this could become more noticeable in full-screen content, but so far it hasn't been a major concern. It would likely be a bigger issue if I was using the display in a more balanced 50/50 split between productivity and full-screen media consumption.
Because I regularly switch between different applications, I've yet to see burn-in from specific app interfaces or elements, like the Google Chrome navigation bar, for example. Even after two years, burn-in remains mostly limited to Windows OS UI elements.
Key Takeaways, Two Years Later
If you're wondering how these results might translate to your own OLED usage – or whether they should influence a potential OLED purchase – there are a few key takeaways.
First, with around 6,500 hours of use over two years, we're talking about more than eight hours a day of static productivity work at 200 nits of brightness every single day, including weekends. If you used a display for work during standard eight-hour workdays five days a week, this would roughly correspond to about three years of use. If the screen is only used part time for productivity, that timeline extends even further, and the 24-month results shown here could represent four years or more of typical usage.
This is because burn-in is cumulative and directly related to how many hours the display shows the same static content. If you only use static apps for four hours a day, you could expect roughly double the lifespan compared to using them for eight hours a day. If you're someone who primarily uses an OLED for gaming, with perhaps a couple of hours of desktop apps each day, burn-in is unlikely to be a significant concern.
The second takeaway is that we've done nothing to actively prevent burn-in.
This is a very demanding test, and there is clear evidence that the specific way the display is being used contributes to the results. We run the system in light mode, which appears to degrade the main working area of the screen noticeably faster than darker sections. The contrast between bright light-mode applications and a dark taskbar also creates uneven wear and more visible taskbar burn-in. Having some areas of the screen consistently bright while others remain dark is a worst-case scenario for OLED longevity.
We would likely see less visible burn-in if the display was configured in a way that promotes more even wear across the panel. For example, using light mode with a light taskbar, or preferably dark mode with a dark taskbar. Running OLED pixels at lower luminance levels is one of the best ways to extend panel lifespan, which is why dark mode is strongly recommended, and it's already the preferred option for many users. Keeping most of the screen at a similar brightness level should also help ensure more uniform aging.
We'd also recommend enabling a screensaver that turns off the display after a few minutes of inactivity, or using built-in features such as proximity sensors where available. Our display is currently set to sleep after two hours of inactivity, which is not ideal for OLED longevity. Reducing the amount of time the screen remains on when it's not actively being used can significantly extend the panel's lifespan.
Finally, even in this worst-case scenario, burn-in is not severe after two years, which reinforces the case for OLED in productivity or mixed-use setups. We believe this panel will remain usable for at least another year under the same intense conditions, which is encouraging for more typical usage patterns.
Ideally, we'd like to see a monitor last no less than five years, and this MSI has held up better than expected after the first two of harsh use. Newer monitors released since the MSI 321URX are also supposed to have more efficient panels with more burn in prevention features, so the panel manufacturers are continuing to enhance the technology since this test started.
Overall, OLED burn-in shouldn't be a major concern for most buyers today – unless you're an extremely heavy productivity user with a lot of static content on screen. We'll be back in a few months with another update and more burn-in testing.
