Samsung QN80F 100" vs LG OLED G6 (G64LW, G66LS)

When it comes to HDR in Filmmaker mode, the QN80F can make a great first impression. Our lab tests showed that under the best conditions, the TV can achieve brightness exceeding 1200–1300 nits. These are truly remarkable results that make HDR effects in many films look incredible. The TV is simply bright enough that it doesn't have to artificially adapt the image – the bright parts of the scene have the right 'power' and actually look like a light source. Of course, the lab is one thing, and everyday viewing is another. In practice, during film scenes, brightness typically hovers around 700–1100 nits. These are still excellent values that, in most cases, provide a strong sense of realism and make the lights on the screen truly blinding. The problem arises in exceptionally difficult sequences, where, like almost every mini-LED, it reveals its limitations. A good example is Sicario 2: scenes with the helicopter in the night sky look much weaker, and the lights lose intensity, dropping to around 370 nits, making it hard to speak of serious awe. Additionally, there's the issue of colours. Although we are dealing with a QLED, the coverage of the DCI-P3 colour gamut is about 90%. This is a rather average result for a quantum dot TV. In practice, this means that some colours may appear less saturated than we would expect, especially in demanding HDR productions.

The LG G6 is currently one of the brightest OLEDs on the market. Its peak brightness reaches nearly 2500 nits and, best of all, this translates directly to real movie scenes. The TV flawlessly extracts details in the bright areas of the image. And this is regardless of whether we are talking about very small points in the form of stars in the sky or slightly larger elements on the screen. Naturally, with full-screen, uniformly white scenes, the brightness of the G6 drops due to the panel protection system (ABL). However, in real, varied movie shots, this value still hovers around an impressive 2000 nits, which can be considered a remarkable result. The coverage of the color palette also deserves praise. The new 2nd generation Tandem OLED panel has brought about only a cosmetic change, but still an improvement. The coverage of the DCI-P3 color space reaches nearly 99.5%, while the ultra-wide BT.2020 is around 84%. These are very good results, although it's important to remember one thing: at extremely high brightness levels, the volume of colors will be lower than in QD-OLED panels from Samsung Display due to the use of white sub-pixels (WOLED). However, in everyday content and most films, capturing this difference will be very difficult.

Samsung QN80F performs best in Filmmaker mode, which is designed to faithfully reproduce the creators' intentions. And indeed – this is the mode where the TV shows its potential. But let's not fool ourselves, it’s far from perfect. In SDR content, a significant issue emerged with white balance. Slight deficiencies in green and a clear excess of red caused the screen to take on a pinkish hue. You don't even need measuring tools to notice this – in everyday viewing, the subtly shifted colour palette could be quite noticeable, and in colour checker tests, the colours nearly "jumped" outside their reference fields. With HDR content, the situation looked a bit better, as the white balance was closer to ideal, but another problem emerged – brightness management. The EOTF curve often caused the image to become too bright, which spoiled the impression of contrast, and in dynamic scenes, it led to a slight "flicker" in perception. We've actually mentioned this before in the sections about black levels and HDR. The good news, however, is that Samsung provides plenty of tools for improvement. The QN80F allows for very detailed calibration, including a 20-point white balance. And since the manufacturer has left us with so many options, we decided to see how the TV would perform after a solid correction.

We tested the LG G6 in the best factory mode for colour fidelity, which is FILMMAKER MODE. In the case of our test unit, this mode was reasonably well tuned straight out of the box. In SDR content, the only issue we noticed was the white balance, which leaned towards warmer tones. This made the image occasionally appear slightly yellowish, but overall, it wasn't a significant problem. The G6 performed a bit worse in HDR content. There, the white balance showed too much blue component. This caused the image to veer towards cooler shades, resulting in quite noticeable errors. As can be seen on our ColorChecker chart, the colours shifted towards these cooler registers. Nevertheless, considering the factory settings, the television presented a perfectly decent level. However, we know that OLED screens – particularly those from LG – respond exceptionally well to professional calibration, so we immediately proceeded to do just that.

After calibrating the QN80F, it immediately showed that it has much more to offer. The pink hue that used to spoil the viewing experience has disappeared, and the white balance finally looks as it should – natural and without excessive deviations. The colours have gained depth, and the image has become more saturated and coherent, making movies simply more enjoyable to watch. It's a bit like taking a light mist off the screen – suddenly everything appears sharper and clearer. Brightness management has also improved. The TV no longer gets lost so easily in dynamic changes, and the EOTF graph shows that the curve tracking is significantly more stable. Of course, there are no miracles – the limited number of zones still means that small, bright elements can be slightly washed out, but that's just a result of the design rather than the settings. After this adjustment, the QN80F feels like a more mature piece of equipment, and watching movies finally provides the satisfaction expected from even a higher-end television.

After completing a professional calibration, we gained complete control over the panel, and we managed to align all parameters to nearly zero. We were able to tune the white balance perfectly, which removed the factory's cool and warm tints from the screen. The effects are visibly clear in the ColorChecker test – the average colour reproduction errors dropped below the critical value of 1-2. And what does this mean? PERFECT colours, without any distortion! However, as a reviewer’s duty, we must point out how the LG G6 arbitrarily manipulates brightness, which is due to the EOTF curve's behavior. When we look at the standard synthetic graph, it might seem that the line is quite straight. However, the situation changes when we turn on the measurement filter, which shows how the television interprets brightness in actual, moving film scenes (EOTF in MOVIES). Then, it is clear as day that some of the smallest fragments on the screen are slightly overly brightened by the algorithm. Of course, for the average viewer, such a deviation will practically go unnoticed, but in the test of such an expensive screen, it’s worth noting – especially since we are talking about a model that has huge aspirations for the title of the best television of the year.

With lower quality materials, such as YouTube videos or older television recordings, the QN80F can show both its strengths and weaknesses. If strange colour transitions or artefacts start to appear on the screen, it's worth reaching for the noise reduction feature. The best setting is at the "medium" level – it smooths out problematic segments while not blurring the entire image. However, one compromise must be kept in mind: this feature always removes film grain. If someone enjoys its presence in older productions, it's better to leave the reduction off, as regardless of the setting, the grain simply disappears.

Resolution scaling, or upscaling, is another strong point for Samsung. The QN80F may not be the best television on the market, but it performs very well in its price class, which is crucial for such a large size as a 100-inch screen. Even low-quality materials can gain a second life – the image becomes sharper, more readable, and overall, much more pleasant to view. A weak point remains overscan, which is slight cropping of edges in very low resolutions (e.g., 576p), something that has been a longstanding issue for Samsung. Fortunately, in everyday viewing of HD and 4K content, this is practically of no significance anymore.

No matter what one might say about the G6's issues with near-black signal, it must be fairly acknowledged that it handles heavily compressed material and lower resolution content extremely well. All unwanted, ugly tonal transitions are effectively reduced here by the "Smooth Gradation" feature. At the "Low" setting, the algorithm works flawlessly – effectively masking the artifacts resulting from strong compression without destroying the sharpness and details in the frame. Higher levels of this feature do further smooth the image, but they start to blur the real texture elements of the objects, so we recommend keeping this slider at a low level. As for the actual upscaling to 4K, the processor does an excellent job – edge sharpness and detail reconstruction are at the highest level, and in this respect, the G6 is on par with the global leaders.

QN80F features a 144 Hz panel, and this is evident in practice – with full refresh, the image is incredibly smooth, and motion blur remains at an acceptable, barely noticeable level. However, this mode is mainly aimed at PC gamers. The most important point of reference in everyday use remains the 120 Hz refresh rate, and here a certain crunch arises. During the UFO test, we noticed ghosting of rapidly moving objects – it looked as if the television had the BFI (Black Frame Insertion) feature permanently enabled, which in practice led to an unpleasant effect of double edges. We still don't know if this is a software issue or a peculiarity of this model, but in its current state, it's hard to commend such behaviour.

The LG G6 is an OLED television, so in the category of motion fluidity, it traditionally deserves the highest marks. The TV supports very high refresh rates of up to 165 Hz in 4K resolution, but most importantly – there are absolutely no signs of blurring on the screen. The response time of the matrix is virtually instant, ensuring that dynamic images remain perfectly sharp.

The Samsung QN80F feels like a TV made with gamers in mind. On the list of advantages, we have a 144 Hz display, four fully-fledged HDMI 2.1 ports, complete support for VRR and ALLM, and one of the best-designed game bars on the market. Added to this is the Game Motion Plus motion smoother, which also works in games without actually increasing input lag, making the QN80F a true standout in this category. In practice, this means you can enjoy smoother visuals without losing responsiveness, which is a dream for any console gamer!

As usual with Samsung, there’s a lack of Dolby Vision in games, and this is no longer surprising. What surprised us much more, however, is that in the models from 2025… the HGIG feature has disappeared. It was this feature that allowed consoles like the PlayStation 5 and Xbox Series X to perfectly match HDR tone mapping to the TV's capabilities. In the current firmware of the QN80F, this option is simply missing – it looks more like a mistake than a conscious decision by the manufacturer, but as of the test day, we have to acknowledge that HGIG is not available. Because of this single omission, the QN80F goes from being an almost perfect gaming TV to just “almost” perfect. It’s a significant shame because, apart from this, Samsung has created a model that truly raises the bar in the gaming equipment segment.

[UPDATE] We have updated our tests of Samsung TVs from the 2025 range due to the release of software version 1131, which has restored the crucial feature HGiG for gamers.

The LG G6 is a true beast for gamers and one of the best-equipped TVs on the market in this regard. The manufacturer didn't compromise and equipped this model with four full HDMI 2.1 ports with a maximum bandwidth of 48 Gbps. This means that no matter which port you plug in your PlayStation 5, Xbox Series X, or powerful PC, you'll get the absolute maximum performance out of them.

The TV supports a full suite of gaming technologies: from VRR (Variable Refresh Rate), to AMD FreeSync Premium Pro, and Nvidia G-Sync Compatible. Let's add to that a remarkably low, almost imperceptible input lag and an excellently functioning game panel (Game Optimizer), which allows you to constantly monitor signal parameters. Gaming on this screen, with the perfect black of OLED and powerful refresh rates, is pure pleasure.