LG QNED91T6A vs Samsung M80H

As befits a MiniLED television, QNED91T LG easily exceeds the magic barrier of 1000 nits on the luminance chart. In scenes where light played a key role, the effect was truly decent. For example, 1000 nits in the first scene of "Life of Pi" is really an impressive value, and the 600 nits achieved in scenes three and five allowed us to feel the true magic of HDR. However, problems arise with very small light elements on the screen, such as the moon, lanterns, or lamps. A value of around 100 nits - to put it bluntly - is disappointing, as these elements are so dark that they are barely visible. It is worth praising the television for covering the DCI-P3 colour gamut at 96% and BT.2020 at 75%. LG QNED91T leaves us with mixed feelings, mainly due to very aggressive dimming algorithms, which, while effectively eliminating the halo effect, do impact the brightness of smaller elements.

The M80H is not one of the brightest TVs. Its peak brightness is around 350 nits and we saw similar results in most of our test scenes. That's not enough to produce genuinely impressive HDR — bright highlights lack punch and the overall image is a bit too dark. In practice, HDR on the M80H resembles a well-presented SDR image more than clearly more dynamic wide-range content. The picture can still look fine, but it's hard to point to strong specular highlights, clearly bright light sources, or an effect that immediately separates HDR from ordinary content.

Colors

One of the M80H's strengths is its color. The TV uses a PFS-based backlight filter, which allows it to display a significantly wider color gamut than a standard LCD screen without filters. Our measurements confirm this — the M80H covers about 96% of the DCI-P3 gamut and 72% of BT.2020. Those are very good results, which let the colors appear strongly saturated. Samsung's policy here is interesting. The M80H is not part of the QLED family, even though in terms of color it is practically on par with models carrying that label. From an image-quality standpoint, that doesn't matter much; the colors are simply good.

We conduct all our tests in the best picture mode on each TV. In this case, as usual, it is the Filmmaker mode. The name of the mode suggests perfect colour reproduction; however, there were noticeable deviations from the correct image. Our unit, in terms of white balance, showed a significant drop in shades of blue - both in SDR and 4K HDR material - which caused a clear yellowing of the image, noticeable in comparison scenes from the film with Tom Cruise. As we described earlier, QNED91T has some tendencies to brighten the screen. This is confirmed by the gamma, which is significantly lower than the reference value of 2.4. On the other hand, the EOTF curve, responsible for brightness in 4K content, showed some issues with the TV dimming the image in the darkest areas, which we could observe in the paragraph describing HDR effect quality. Although the Filmmaker mode is quite a decent "out of the box" mode, it still requires some adjustments.

Filmmaker mode is reasonably well set up out of the box, though it falls short of perfect. In SDR material the most noticeable issue is an excess of red in the white balance, which makes the image look a bit warmer than it should. HDR content shows a similar character. As for the brightness response, in SDR the gamma stays close to the target for most of the range. Small deviations are mainly visible in darker areas, which in places are a little too dim. In HDR the very darkest details are slightly lifted, while from around 65% brightness the image begins to be gently darkened. This is largely due to the way the TV controls its brightness. Overall, Filmmaker mode looks good straight out of the box, but the image can still be improved.

LG offers advanced calibration tools in its televisions such as 65QNED91T6A, which we took advantage of. When it comes to white balance, we were able to significantly correct it in SDR content. The picture mode in 4K HDR quality posed greater challenges, which, although still not perfect, looks better than before calibration. The errors on the Color Checker palette and the colour palette are much smaller than in factory settings. Regarding brightness characteristics, gamma for HD content is practically ideal, with a slight exception at the end of the graph. However, the biggest issues the television had were with brightness in 4K HDR content. Analyzing the EOTF characteristics in films, we noticed that the television manipulates brightness quite significantly, which we observed in earlier tests. Brightness is considerably boosted compared to the graph in the static test, and the television brightens certain scenes to the extent that some smaller elements lose detail. Unfortunately, this is caused by an average local dimming algorithm in this model. Nevertheless, calibration yields decent results, especially in terms of precise colour reproduction.

After calibration, the M80H performs really well, especially with basic SDR content. Regular broadcast TV, YouTube, or movies viewed without HDR can look very accurate on it. After correcting the white balance, errors are minor, though you can still sometimes see that the TV tends to oversaturate the most saturated reds. In HDR you can also improve the picture and correct its main faults, but it doesn't reach the level of pricier models. Samsung quite heavily restricts color adjustment options in HDR, so in many areas we have to accept what the TV offers out of the box. Calibration lets us improve some parameters, but we are no longer able to change the overall image character of the M80H.

When it comes to tonal transitions in lower quality materials, the TV offers the already-known feature from LG TVs - "Smooth Gradation." We can control it at three levels: low, medium, and high. We recommend using the medium option, as it effectively removes tonal transitions without causing noticeable issues with removing the structure of objects or other artefacts.

As for image scaling (upscaling), LG's Alpha processor handles this well. The image appears very plastic, with slight jaggedness in some elements, which does not significantly affect the quality. It looks really okay, and the overall effect is very satisfactory.

Although the M80H is positioned fairly low in Samsung's lineup, the manufacturer equipped it with one of its stronger processors, NQ4 AI Gen2. The same chip can be found in Neo QLED TVs and the lower-tier OLED S85H. That's good news, because the processor does a very good job improving weaker source material. Upscaling performs best. Low-resolution content is displayed properly, and edges don't look overly jagged. Of course the TV won't create details that aren't in the source, but regular broadcast TV and older recordings look decent on it. One drawback is overscan, that is, edge cropping, which cannot be fully disabled. The tonal transition smoothing feature, the so-called noise reduction, also works well. The processor can effectively reduce visible signs of heavy compression, but it does so not without side effects. At higher settings it can overly smooth the image, remove some fine detail, and even eliminate film grain. Therefore we recommend using this feature primarily for content that actually has problems with heavy compression and posterization.

The television has a refresh rate of 120 Hz, which should satisfy most users in terms of motion smoothness. Additionally, QNED91T is equipped with the TruMotion feature, which allows for smoother image display in movies. As part of this feature, we can adjust the "De-Judder" and "De-Blur" sliders. The "De-Judder" slider is responsible for reducing jitter in movies, which is particularly useful when playing content with a lower frame rate, while "De-Blur" helps reduce blurriness in fast scenes, which is essential for sports or dynamic shots.

The M80H performs very well for watching sports and gaming. The TV is equipped with a panel with a refresh rate of up to 144 Hz at 4K, and when the resolution is lowered to Full HD it can handle up to 240 Hz. PC gamers will benefit most from the latter option.

The panel also handles 120 Hz content well, which matters especially for console gaming. The high refresh rate is useful for watching sports too, and motion blur is relatively low. That’s important because VA panels are not known for the best results in this respect. With the M80H, fast-moving objects do not produce a very noticeable trail.

The LG 65QNED91T6A television is equipped with HDMI 2.1 ports with a full bandwidth of 48 Gb/s, providing full support for all standards needed for gaming on modern consoles. We can count on support for variable refresh rate (VRR) and auto low latency mode (ALLM). This ensures smooth gameplay without delays.

With support for all popular HDR standards in games, such as HGiG and Dolby Vision, we can fully harness the potential of the PS5 and XBOX One consoles. The television also easily handles lower resolutions than 4K, so even older consoles look good on it. The Game Bar makes it easy to access gaming-related settings, allowing us to quickly and intuitively adjust picture parameters and features for gamers. Additionally, the QNED91T offers NVIDIA GeForce Now functionality, enabling us to game in the cloud without needing a console. However, it should be noted that this solution is quite expensive and somewhat falls short compared to Xbox Game Pass, which is available only on Samsung TVs.

QNED91T LG is a great choice for less experienced and more advanced gamers looking for a versatile television for gaming.

The M80H can be a very good choice for gamers on a slightly smaller budget. Feature-wise it offers essentially the same as Samsung's much more expensive TVs. All three HDMI inputs support HDMI 2.1, so even if one is taken by a soundbar connected via eARC there’s still room for a PC and consoles. There’s also VRR up to 144 Hz at 4K and up to 240 Hz in Full HD. Samsung has properly implemented HGiG as well, so after performing HDR calibration on the console, games are appropriately matched to the screen’s capabilities. That won’t make the M80H any brighter, but at least it won’t unnecessarily wash out the brightest parts of the image. There’s also a Game Bar for quick access to the most important settings and a Gaming Hub that lets you play in the cloud without a console. The M80H also includes Game Motion Plus, which creates extra frames and improves the smoothness of games running at 30 or 60 fps. Input lag then rises to about 59 ms, but it’s still roughly three times lower than with the typical motion smoothing on other manufacturers’ TVs. We don’t really recommend it for online multiplayer, but in more relaxed titles it can work very well.