LG QNED91T6A vs Samsung M80H

As befits a MiniLED television, LG QNED91T easily exceeds the magical barrier of 1000 nits on the luminance chart. In scenes where light played a key role, the effect was truly commendable. For instance, 1000 nits in the first scene of "Life of Pi" is a really impressive value, and the achieved 600 nits in the third and fifth scenes allowed for a true sense of HDR magic. However, problems arise with very small light elements on the screen, such as the moon, street lamps, or lights. Values around 100 nits - to put it bluntly - are disappointing, as these elements are so dark they are barely visible. The television deserves praise for covering 96% of the DCI-P3 colour gamut and 75% of BT.2020. LG QNED91T leaves us with very mixed feelings, mainly due to the very aggressive dimming algorithms which, while effectively eliminating 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 across most of our test scenes. That's not enough to achieve truly striking HDR, as bright highlights lack punch and the overall image is a little too dim. In practice, HDR on the M80H feels more like well-presented SDR than noticeably more dynamic material with a wide brightness range. The picture can still look fine, but it's hard to point to strong highlights, clearly bright light sources, or an effect that immediately sets HDR apart from ordinary content.

Colours

One of the M80H's stronger points is its colours. The TV uses a PFS filter in the backlight, which lets it display a much wider colour gamut than a standard LCD 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 allow colours to be richly saturated. Samsung's positioning here is interesting. The M80H isn't part of the QLED family, even though in terms of colour it is practically on par with models carrying that badge. From an image quality point of view that doesn't make much difference – the colours are simply good.

All our tests are conducted in the best picture mode on each television. In this case, as usual, it’s the Filmmaker mode. The name of the mode suggests ideal colour reproduction; however, there were noticeable deviations from the correct image. Our unit, in terms of white balance, exhibited a significant drop in blue hues - both in SDR and 4K HDR materials - resulting in a noticeable yellowing of the image, evident in the comparison scenes from a movie with Tom Cruise. As we described earlier, QNED91T has a tendency to brighten the screen. This is confirmed by the gamma, which is quite significantly lower than the reference value of 2.4. Meanwhile, the EOTF curve, which is responsible for brightness in 4K content, showed some issues with the television’s ability to dim the image in the darkest areas, which we could observe in the paragraph describing the quality of the HDR effect. Although the Filmmaker mode is a pretty good "out of the box" mode, it still requires some adjustments.

Filmmaker Mode is pretty well set up out of the box, though it’s not perfect. In SDR material the most noticeable issue is an excess of red in the white balance, which makes the picture look a little warmer than it should. HDR content has a similar character. As for brightness response, in SDR the gamma stays close to the target value across most of the range. Small deviations are mainly visible in darker areas, which are in places slightly too dim. In HDR the very darkest details are slightly lifted, while from around 65% brightness the image starts to be gently darkened. This largely results from the way the TV controls its brightness. Overall, Filmmaker Mode looks good straight out of the box, but the picture 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 managed to significantly correct it in SDR content. The picture mode in 4K HDR quality posed greater challenges, which, while still not perfect, looks significantly better than before calibration. The errors on the Color Checker palette and the colour palette are much smaller than in the factory settings. In terms of brightness characteristics, gamma for HD content is practically perfect, with a small exception at the end of the graph. However, the biggest issues the television faced were with brightness in 4K HDR content. Analyzing the EOTF characteristics in films, we noticed that the television manipulates brightness quite a bit, which we could observe in previous tests. Brightness is significantly boosted compared to the graph in the static test, and the television brightens certain scenes to the extent that some smaller details lose definition. Unfortunately, this is caused by an average backlight zone management algorithm in this model. Nevertheless, the calibration yields quite good results, especially regarding accurate colour reproduction.

After calibration the M80H performs very well, especially with everyday SDR content. Regular TV, YouTube and movies watched without HDR can look very good on it. After adjusting the white balance the errors are small, though you can sometimes still see the TV tends to push the most saturated reds too far. You can also improve the picture in HDR and correct its main faults, but it doesn't reach the level of more expensive models. Samsung quite heavily restricts colour adjustment options in HDR, so in many areas we have to accept what the TV offers out of the box. Calibration can improve some parameters, but we can't change the M80H's overall picture character.

When it comes to tonal transitions in lower quality materials, the television offers a well-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 handles tonal transitions well without causing noticeable issues with removing the structure of objects or other artifacts.

On the other hand, when it comes to image scaling (upscaling), LG's Alpha processor performs quite well here. The image appears very smooth, with slight jaggedness in some elements, but this does not significantly affect quality. It looks really good, and the overall effect is very satisfying.

Although the M80H is positioned fairly low in Samsung’s line-up, the maker equipped it with one of its stronger processors, the NQ4 AI Gen2. The same chipset is used in Neo QLED TVs and the higher‑ranked S85H OLED. That’s good news, because the processor handles improving weaker sources really well. Upscaling is its strongest suit. Low‑resolution material is displayed properly and edges don’t look overly jagged. The TV won’t of course create details that aren’t in the source, but regular broadcast TV and older recordings look decent on it. One drawback is overscan, i.e. edge cropping, which can’t be completely turned off. The feature that smooths tonal transitions, the so‑called noise reduction, also works well. The processor can effectively reduce visible signs of heavy compression, but it doesn’t do so without side effects. At higher settings it can smooth the picture too much, remove some fine detail and even eliminate film grain. For that reason we recommend using this feature mainly for material that genuinely suffers from heavy compression and posterisation.

The television has a refresh rate of 120 Hz, which should satisfy most users in terms of motion smoothness. Additionally, QNED91T is equipped with TruMotion technology, which allows for smoother image display in films. With this feature, we can adjust the "De-Judder" and "De-Blur" sliders. The "De-Judder" slider reduces stutter in films, which is particularly useful when playing content with a lower frame rate, while "De-Blur" helps to reduce motion blur in fast scenes, which is important for sports or dynamic shots.

The M80H performs very well for watching sport and for gaming. The TV is equipped with a panel offering a refresh rate of up to 144 Hz at 4K, and when the resolution is reduced to Full HD it can handle up to 240 Hz. That second option will be used mainly by PC gamers.

The panel also handles 120 Hz content well, which matters especially for console gaming. A high refresh rate is also useful when watching sport, and motion blur is relatively low. That's important because VA panels are not known for the best performance in this area. On the M80H, fast-moving objects do not produce a very noticeable blur.

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

Thanks to support for all popular HDR standards in gaming, such as HGiG and Dolby Vision, we can fully utilise 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 easier 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, allowing us to play in the cloud without needing a console. However, it's important to keep in mind that this solution is quite costly and somewhat falls behind the Xbox Game Pass, which is available only on Samsung televisions.

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

The M80H could be a very good choice for gamers on a slightly smaller budget. In terms of features it offers pretty much 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 in 4K and up to 240 Hz in Full HD. Samsung has correctly implemented HGiG as well, so after performing HDR calibration on the console games are properly 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. On top of that there’s a Game Bar for quick access to key settings and a Gaming Hub that lets you play in the cloud without a console. The M80H also includes Game Motion Plus, which generates extra frames and improves the smoothness of games running at 30 or 60 fps. Input lag then increases to around 59 ms, but is still about one third of what you’d see with typical motion smoothing on other manufacturers’ TVs. We wouldn’t really recommend it for online multiplayer, but it can work very well in slower‑paced titles.