Mini-LED vs QLED: What’s the Difference?

Mini LEDs and QLEDs are not competitors, but rather two different types of elements used in the creation of the same technology. Mini LEDs provide the brightness for the display, while QLEDs provide the colours that appear in front of the Mini LEDs. As stated in Hisense’s guide to television technology, Mini LEDs are used to create the light in a TV, while QLEDs are a means to enhance the colours in a TV. Therefore, the two technologies are often combined rather than used separately.

What makes this comparison even more confusing is that when you go to a store to compare televisions, the Neo QLED and QD-Mini LED TVs are actually both equipped with the colour and brightness features of the QLED and Mini LED technologies, respectively. Thus, when comparing the two models, you must ultimately decide which of the two TVs does not come with the more advanced backlight technology — and that decision will depend on your needs, which are not clearly stated on the label. If you understand how the two technologies work, then the rest of the specifications on the television will become much clearer.

Mini-LED and QLED describe different layers of the same TV

All the TVs in this review use LCD technology, where the LCD panel does not generate its own light source, achieving this by stacking components – a light source providing illumination to the back of the LCD lining and a layer of liquid crystals used to block and pass individual pixels of white backlight – filtering through red, green, and blue.

Mini-LED and QLED enable improvements to the LCD on two levels: the Mini-LED improves the backlight area of the stack by replacing the original one with a densified grouping of mini-LEDs. According to Samsung’s Mini LED Buying Guide, this new generation of mini LED utilizes a tiny LED array to more accurately control the backlighting. More specifically, every LED within the mini LED array has independent local dimming zones for precise control over brightness. Meanwhile, the QLED leaves the backlight unchanged and adds additional quantum-dot color filtering technology to the existing color-filtering stage.

Because they sit on different floors, “Mini-LED versus QLED” compares a lighting system against a color filter — the two aren’t in competition, and a TV can have one, the other, or both.

The confusion is both specific and dated. A shopper on AVS Forum’s LCD Flat Panel Board opened with an identical inquiry – “What is the difference between QLED, Micro-LED and Mini-LED? Which one is superior for viewing films and playing video games?” – an instance of where the question was posed within the incorrect context of technological superiority vs capability. Once you understand which layer each term represents, your shopping experience will change. Instead of considering the overall superiority of one technology over another, you’ll learn to evaluate the performance (or limitations) of the particular backlight in a given set you are contemplating purchasing.

What Mini-LED changes: contrast, black levels, and blooming

Contrast refers to the difference between the whitest white and blackest black that a monitor displays simultaneously. When using an LCD, contrast is generally a problem that arises from the lighting technology used in backlighting the screen. Due to the limitations of backlighting technology, the typical backlight used in LCDs can only achieve different levels of brightness in larger increments. This presents a challenge when viewing a dark scene with a single bright element because there is a trade-off between keeping the entire area illuminated as it is, thus making all of the black areas in that scene appear gray; or, by dimming the entire area, the bright element in that scene becomes dimmed as well.

To remedy this situation, local dimming utilizes a grid-like system to divide the backlighting into various sections, allowing for each section to be adjusted independently from each other. The more sections created, the smaller the compromises made in viewing a dark scene with a bright element. That is the primary purpose of creating Mini-LEDs: to create smaller LEDs that can be used in greater numbers to provide local dimming capabilities. Therefore, the compromises made in viewing both a dark scene with a bright element can also be reduced in size, resulting in improved viewing capabilities.

Three things decide whether that actually shows up on screen, and the marketing usually mentions only the first:

• Zone count sets the ceiling. It determines how finely the backlight can be carved up, which is why a 1,000-zone set can hold a black letterbox bar dark while the subtitle above it stays bright.
• The dimming algorithm decides how much of that ceiling you get. RTINGS’ lighting zone precision and transition tests find that TVs with more zones tend to score better, but that it isn’t a direct relationship — many sets aren’t powerful enough to drive every zone individually in real time with fast-moving content, and some brands deliberately average light across more zones than necessary so halos blur into the background instead of forming hard edges. The lab’s own conclusion is blunt: you should never buy a TV based solely on the number of dimming zones.
• Which size the count belongs to decides whether the figure is even about your TV. Zone counts are published per model and can differ between screen sizes in the same series, so a number attached to an 85-inch is unverified for the 55-inch until you check that size.

The same reason for a mini-LED’s hard limit is also why mini-LED’s zone dim (as opposed to pixel dimming). Because each zone is only one layer of lit pixels, a bright pixel within a zone will be brighter than the rest of the zone and keep the other pixels from being dimmed. As a result, when viewing bright objects within a dark area, there is a halo effect that occurs: the area surrounding the bright object appears to be illuminated by a dim light, creating a haze or “bloom.” By increasing the number of zones, the halo effect will lessen as well.

Mini-LED reduces blooming; it doesn’t end it. Only a display that controls light at the pixel level can do that, and no LCD backlight is one.

Before concluding that a set is defective, it’s worth knowing about a lever that has to be adjusted first. According to the same manufacturer’s lab notes, Higher local dimming levels create a sharper line between bright and dark areas (more contrast), which can create an increase in the visibility of some artifacts in certain content. Lowering the setting is one way to reduce that degree of the trade-off. The halo you see in a demo unit is partly being caused by a setting adjustment; it is not only a result of hardware components.

What QLED changes: color, not contrast

Quantum dots function in the opposite direction, at the lower level of the stack. In TCL’s guide to display technologies, they describe QLED displays as an evolution of LCD technology, utilizing quantum dot particles to create a color spectrum by placing them between the LED backlight and the LCD Layer, thus producing narrower wavelengths of red and green light; purity, as opposed to a traditional color filter, results in larger amounts of reproducible color, and that larger spectrum of color is sustained as brightness increases. Thus, when compared to existing technologies, a quantum dot-based television will maintain a very red shade in an extremely bright scene and will not appear to the viewer as if it were becoming pinker.

What quantum dots do not do is alter the light entering from the backlight source. They cannot turn off sections of the backlight, deepen the appearance of black, or eliminate a halo effect, since these events occur prior to reaching the color stage.

A QLED badge tells you a set has the color layer. It says nothing about how many dimming zones sit behind it — which is why some QLED sets are edge-lit with almost no dimming at all, and why “QLED” is not a contrast promise.

Why the TVs you are comparing probably use both

The simplicity of two-word comparisons misses the reality of premium displays that take a hybrid approach. For example, Samsung’s line of Neo QLED displays uses both Mini LED technology as well as Quantum Dot technology to create a hybrid display product; this allows them to compete directly with TCL who markets equivalent products as QD/Mini LEDs (Quantum Dots + Mini LEDs). Go to a US retail listing and look within the names of products, such as the Hisense U7 or the TCL QM7L, and you will find similar naming convention; a MiniLED QLED is actually a Quantum Dot product with a dense zoned Mini LED backlight, in comparison to a Quantum Dot product with a standard backlight.

Therefore, the correct definition of the comparison is not that Mini LED is better than QLED but rather that most Quantum Dot products have a more dense zoned Mini LED backlight vs. a non-zoned backlight.

The table is set out in rows, so we can see how the price is worked out according to colour row – QLED earns it’s premium due to the colour row, Mini-LED earns it’s premium due to the backlight row. If both TVs on your shortlist are Samsung, then the QLED vs Neo QLED comparison on this website will use the same breakdown through Samsung’s individual tiers.

What independent measurements actually show, and under which conditions

Two different reviewers may each give a different brightness reading when measuring brightness on the same panel, but they can both be accurate; this does not indicate a lack of attention to detail, but rather highlights how isolating one number removes the context necessary for evaluating the conditions in which that specific number was obtained.

The way RTINGS’ SDR brightness methodology measures luminance gives an indication of how many conditions affect the resulting number. The measurement for luminance (Brightness) is in candela/m² (Nits) using Local Dimming On, with five separate window sizes: 2% (Starfield), 10%, 25%, 50%, and 100%. Each window size has its own content type; the 2% window simulates starfield content, most ordinary television shows are represented by the 25% window size, and live sports games typically occur in the 50-100% range. Each window size is measured again in 2 ways: first as Maximum Instantaneous Peak and second as Sustained Maximum over several seconds.

So before a measured figure means anything, it has to carry its conditions with it:

• The window size or scene, because the same panel can be several times brighter on a small highlight than on a full white field.
• Peak or sustained, because brightness limiters pull large bright areas down within seconds to protect the electronics.
• The dimming state, since the backlight setting changes both the black floor and the highlight ceiling.
• The bench version, which matters more than it sounds: the same lab warns that when TVs were tested under different methodology versions, it’s safe to compare the raw measurements but not the scores.

This is where most people unknowingly go wrong when they want to buy something. For instance, if I took two different products that were reviewed in this article and compared them in a table so I can score them; then, without noting that the manufacturers’ specifications were not created equal, have created a false incursion into two completely different products from two different manufacturers.

The specifications provided by the manufacturers of their products are another type of category. For example, according to TCL’s own product specifications for their X11K product line, these televisions have 14,112 dimming zones and offer a 93% coverage of the DCI-P3 gamut, which means they are able to display all of the colours that are defined within DCI-P3. This means they are able to show all shades in that colour space based on TCL’s claims. These specifications represent the manufacturer’s view of what their product can and cannot do under its stated conditions, but they are not independent measurements of these specifications. Both types of specifications play an important role in evaluating a product’s performance. Therefore, if I consider the two as being equal I might misrepresent what I am seeing on the spec sheet as an estimate of what the product can do.

How your room and what you watch change the answer

Contrast control can benefit from premium mini-LED displays. Just how much depends on the amount of light present in your room.

If you have a dark room, the backlight will not be hidden by anything, so you will definitely see the difference between a mini-LED display that has a lot of zones and a regular LCD display that has no zones in dark scenes — letterbox bars, night scenes, credits. As soon as you turn on your lamps, the ambient light will land on the screen, raising the absolute black areas of the minimum-LED display toward a greyish tint on all LCD displays, regardless of brand name. You start to see that the difference is much smaller than you would assume. The finish of the screen and the ability to handle reflections on the screen begin to play a larger role than the actual number of zones a display has.

This also runs contrary to one of the most frequently stated recommendations in manufacturer guides: that QLED displays are better for bright rooms while Multi-LEDs are better for rooms with controlled lighting. Brightness does not have anything to do with the colour layer. Brightness is a measurement for each model, and a Mini-LED display will always outperform a QLED in bright daylight environments, regardless of what the manufacturer says.

Two variables people expect to ride on these labels don’t:

• Gaming features are set by the model, not the backlight. Samsung’s own TV buying guide lists Auto Low Latency Mode and Variable Refresh Rate across both its QLED and Neo QLED lines, with the higher tier adding more. The specs that decide whether a TV keeps up with a console live in the port and panel section of the spec sheet, and a Mini-LED badge doesn’t put them there.
• HDR format support is a brand decision. Dolby Vision, HDR10+ and plain HDR10 are metadata formats a manufacturer chooses to license and support. Some brands ship Dolby Vision across the range; others never do, on any panel type they sell. If a format matters to your library, it’s a line to check per model — and what HDR actually does to a picture is a separate question from which backlight is behind it.

Here is an example of how to paraphrase this statement: A bright living room with proper brightness and reflection management provides an advantage, while a dark room benefits from the number of zones and dimming quality, so a home that uses the TV primarily for news or sports during the day will have trouble seeing what the Mini-LED premium buys it.

Where OLED fits in this decision

Unlike the previously discussed technologies, solely comprised of pixels, OLED does not rely on a backlight. Each pixel produces its own light and can be turned off completely, resulting in true blackness with no halo effect from bright objects. Therefore, when someone searches for Mini LED, QLED, or OLED, they are actually asking a different question. The question has become less about which backlight to purchase and more about whether to purchase a backlight.

The OLED comparison created by Hisense (which sells both products) lays out the advantages and disadvantages of each technology transparently. While the dark blacks produced by OLED and the great off-angle performance are an advantage for many applications, the issue of burn-in remains a consideration for users who utilize static content, such as news or gamers. In comparison to OLED, mini LED is more than capable of producing higher levels of brightness in bright rooms than the majority of OLED products. The price point of OLED is typically on the higher end of the market. In addition, although there are many articles and studies comparing QLED vs OLED vs Mini LED, the most important boundary to consider in this area is that OLED eliminates the issue of contrast by eliminating the need for a backlight. It is important to note that OLED panels will generally be priced significantly higher than all other panel types.

What to check before paying extra for Mini-LED

Everything above turns into five checks you can run in a store aisle or a browser tab, in this order:

1. Confirm the exact model number and screen size before reading a single spec. Zone counts and panel variants are published per size, so a figure quoted for the 75-inch is not a figure for the 55-inch on sale until you’ve seen it listed there.
2. Find the dimming-zone count for that exact size on the manufacturer’s spec page for the model, not the series landing page. If no zone figure is published anywhere, treat that silence as information — undisclosed usually means unremarkable.
3. Check the backlight description and panel type on the spec sheet, since “local dimming” on its own covers everything from a handful of zones to a few thousand, and the two aren’t in the same price conversation.
4. Run a halo test on the actual unit. Blur Busters’ local dimming test puts bright shapes on a black field and lets you adjust size, color and density until the artifacts show, which exposes zone control directly. White text on a black background does the same job with any demo loop you can pause.
5. Confirm the format and gaming lines you actually need — HDR formats, port versions, refresh rate — because none of them are decided by the backlight, and paying a Mini-LED premium to get them is paying for the wrong row of the spec sheet.

The checklist in this guide serves as a practical evaluation tool. The checklist is grounded on the four criteria; (1) number of zones for the correct size, (2) dimming algorithm quality, (3) type of panels and backlight, and (4) format and port support. It was not designed as a lab measurement nor was it intended to create any type of certified rating.

This checklist is designed to measure “value” based on these checks and not based on the “badge” a model may have. An excellent Mini-LED television adjusted to display in the dark and to have the correct number of zones for the size of the television will appear to be an excellent product and will provide exceptional television experiences in the evenings. However, in a bright room, with a model that states that it provides an unknown number of zones, purchasing that model would simply be spending money on a word.

Which Should You Choose: Mini-LED or QLED?

Once the layers have been split, the question is resolved: The quantum dots provide colour while the Mini-LED backlighting provides contrast. Since the vast majority of comparable sets already include quantum dots as a feature, you will generally be paying premium for the additional contrast benefits of Mini-LED technology. You can determine if it will provide visible contrast in your environment before making a purchase by checking the specific size and model number of the TV in RTINGS’ TV results database. This would give you the exact measurements provided for the specific TV model you are considering as well as the testing environment that it was tested under. Finally, check the number of zones specified for that size on the manufacturer’s specifications page; once you have both the number of zones and the size and model number, you will know if you are paying for visible contrast within your room or simply getting a longer name on the TV carton.

Frequently Asked Questions

Can a TV be QLED without having any local dimming?

Yes. QLED refers to just the Quantum-Dot layer and therefore will allow an edge-lit LED television with either limited or no zone-dimming capability to use that designation. Be sure to review the backlight details on the specifications sheet rather than what is written on the product’s label.

Does a higher dimming-zone count always mean a better picture?

The conclusion of RTINGS research is that while the total number of zones is certainly helpful when determining the comparative performance of different types of TVs that employ Local Dimming technology, it isn’t a definitive metric. Most importantly, factors such as the quality and number of processing resources in the display and the control algorithms used to control those resources will often have a greater impact on performance than simply the total number of zones. Therefore, a viewer should never base their purchasing decision on the number of dimming zones alone. An inferior-performing TV with a lower number of dimming zones could outperform a poor-performing TV with a higher number of dimming zones based on other factors.

Two reviews list different brightness numbers for the same TV. Which is right?

Window size, peak or sustained brightness of the figure, and whether the unit is in a dimming mode all play a part in determining brightness. The brightness scores yielded from running tests on different test-bench configurations will be in keeping with respect to each other.