TCL C655 / C69B 98' vs TCL C7K / QM7K 55"-85"

The quality of the HDR effect on TCL C655 / C69B looks quite promising. The average value in the test charts is around 450 nits, which already allows one to feel the brilliance of light effects and better image dynamics. However, as previously mentioned, this effect can be somewhat dampened by slight differences in bright and dark shades due to the lack of local dimming technology. However, the coverage of the DCI-P3 colour gamut at 94% is commendable, and this is possible thanks to the use of a quantum dot (QLED) panel. As a result, the colours are vivid and well-reproduced when watching HDR content.

In terms of brightness, the models ranging from 55 to 85 inches in the C7K series are truly impressive. Under optimal testing conditions, the 65-inch screen exceeded 1200 nits, which in practice means that the brightest scenes can dazzle with almost cinematic brilliance. These are not just dry figures from measurements – during screenings, bright skies, explosions, or reflections of light on water looked incredibly striking, often giving the impression that the television exceeds its price range. This is particularly effective in scenes with large areas of illumination, where the screen fills with intense brightness – for instance, in sun-drenched shots or during dynamic action sequences. Viewers looking for strong HDR will definitely be satisfied.

However, scenes that require precise backlight control – with tiny points of light against a dark background – prove to be more challenging. Here, the C7K, despite having over a thousand zones, can still dim brightness to maintain deep blacks. The effect is that in films like Sicario 2 or LIFE of Pi, some details, such as a distant lighthouse or single reflections, may appear less distinct or blend into the surroundings. This is a compromise inherent in MiniLED technology – it provides excellent image depth and blacks at a level not offered by standard LCDs, but this comes at the cost of limited visibility of the tiniest lights.

The TCL C655 / C69B television offers a film mode that has been tested for colour reproduction quality. Although this mode is called film mode, unfortunately, it has quite a few issues that a director would definitely not want to see when filming their work. Starting with image analysis, it's worth examining the white balance – both in HD and 4K HDR content, the white balance has significant errors. In both cases, the red colour dominates, which makes the colours too warm, and the overall effect takes on a pink or yellow tint. The Colour Checker test confirms these errors – the colour samples veer into incorrect shades, which impacts the overall colour fidelity. A less significant issue is the brightness characteristic. However, it is also not free of flaws. The gamma chart shows a strong spike at the beginning, which can cause the image to be overly bright, and the EOTF curve responsible for brightness in 4K HDR materials also shows considerable fluctuations – it is evident that the television struggles to maintain the appropriate brightness, but it does not always succeed effectively.

The new feature in TCL TVs for 2025 is the long-awaited Filmmaker mode, which until now has been found in most competing brands. This is great news, as this mode is regarded as the one that best represents the original vision of the creators and is often recommended by enthusiasts of good picture quality. Unfortunately – as is often the case – the mere presence of it does not guarantee perfection. The Filmmaker mode in the TCL C7K is not without its flaws. One could critique the incorrect white balance, particularly the slight dominance of blue, which caused cool, slightly greyish skin tones. But that was not the biggest issue. The main complaint was the excessive brightness exposure, which is clearly visible on the gamma and EOTF graphs. The picture was simply too bright, at times even blown out, which affected not only the richness of the scenes but also the overall viewing experience. Some details were simply lost, and the whole image looked as if someone had overdone the brightness slider a bit. As always – we decided to see what could be squeezed out of this after calibration. And that’s where it started to get really interesting…

After calibrating the movie mode of the TCL C655 / C69B television, the white balance has been adjusted, and the colours look as they should – confirmed only by slight deviations in the Colour Checker test. The gamma is really accurate, which means the television shouldn’t have issues with brightness in low-resolution materials. Unfortunately, a similar EOTF characteristic is still visible, which is a natural phenomenon in televisions that do not have local dimming – it’s just difficult for them to "shine" brighter in a given part of the screen. Despite this construction limitation that cannot be bypassed, we recommend adjustments in the settings, as the overall colour presentation looks really very good.

After calibration, the TCL C7K put on a really good show, especially when it comes to SDR content. We managed to precisely tune the white balance, colour gamut, and brightness characteristics, resulting in colour errors on the ColorChecker palette dropping below a value of 2. For the uninitiated – this is an almost perfect score, meaning the image is very close to what the creators intended. Unfortunately, things didn’t look as good with 4K HDR content. While we managed to slightly calm down the white balance and correct its previous errors, it still shows that the TV has some "MiniLED traits," especially in brightness management. When we checked how the C7K handles the EOTF curve on actual movie scenes, rather than just synthetic test patterns, it turned out that the screen still has a tendency to slightly brighten the entire image. This affects the overall experience – blacks lose some depth, and the image becomes less contrasty than it should be. Despite these minor shortcomings in HDR content, the overall reception of materials – especially in SDR – is really very good. After calibration, the C7K can display an image that can successfully compete with much more expensive models. Good tuning of colours, natural skin tones, and pleasant brightness make movie sessions and everyday content viewing more than satisfying.

The TCL C655 / C69B TV handles tonal transitions well in lower quality materials. The “Gradual Smoothing” function at its lowest setting effectively eliminates visible banding, but it also results in a loss of detail, for example, in the texture of objects. A plus is that it does not interfere with film grain, allowing the image to maintain a natural look.

In terms of digital processing, the TV adds a significant amount of artificial sharpness, which may appeal to those who prefer a vivid image. For those who prefer a more subtle rendering of details, this may be a drawback. Another downside is the quite aggressive overscan – the image is cropped, which leads to the loss of fragments at the edges and limits the field of view.

TCL C7K comes with a feature that, according to the manufacturer, aims to smooth out unwanted colour transitions – something like a rescue for less successful tonal changes. It's called "Gradual Smoothing" and... well, it sounds ambitious, but in practice, it works very poorly. Regardless of whether we set it to low or high, the difference is minimal. And worse still – the feature can cut out elements from the image that should remain. Fortunately, film grain is left untouched, so at least it doesn't smooth everything indiscriminately, but even so – it's best to just turn this option off.

When it comes to upscaling lower resolution content, it's already better. SD and HD materials look quite decent, although at times we felt that the image loses sharpness and becomes too soft – as if something had taken away its clarity. Fortunately, with very low sources (e.g. 576p), there was no overscan effect, meaning the image wasn't artificially cropped – everything fit on the screen as it should.

Unlike the smaller versions, the 98” model stands out with significantly better motion fluidity. Instead of the standard 60 Hz, this colossal screen is equipped with a full 144 Hz panel, which opens up entirely new possibilities – for both gamers and movie lovers. With its full motion smoother, the television delivers incredible image fluidity, eliminating ghosting and improving the comfort of watching dynamic scenes. It's worth noting that this technology operates across the full refresh rate range, meaning there's no need to compromise between fluidity and quality. Additionally, the "Flicker Reduction" feature allows you to adjust the fluidity to your own preferences – you can choose a more cinematic effect with visible frame rate or a maximally smooth image.

TCL C7K handles motion smoothness really well. The panel used in it offers a refresh rate of 144 Hz, which alone suggests that this TV is more than just a regular "60 Hz" panel. Moreover, if we connect the C7K to a computer and set the resolution to Full HD. But we will write more about this in the section for gamers and PC compatibility. Returning to everyday use – both sports and movies look very good here. Thanks to the quick panel and the well-functioning motion smoothening feature, the C7K is great for watching matches as well as for movie screenings. In the menu, we find two sliders – blur reduction and flicker reduction – that allow adjusting the smoothness effect to personal preferences. At lower settings, we get a more cinematic effect, with a slight judder. At higher settings – the image becomes more theatrical, smoothly even to excess. Whatever your taste, everyone can set it to their liking.

The 98-inch TCL C655 / C69B is excellently equipped for gamers. Full-featured HDMI 2.1 ports and a 144 Hz panel allow for gaming in 4K at 120 Hz, providing the smoothness and responsiveness that will impress even the most demanding.

The TV supports variable refresh rate (VRR), eliminating screen tearing, while the automatic low latency mode (ALLM) ensures that gaming starts instantly, without the need for manual adjustment of settings. There is also support for Dolby Vision and HGiG, ensuring that the image quality in games is even better – details are sharp, colours are natural, and contrast is perfectly balanced.

Additionally, the TV offers a dedicated gaming panel that allows for quick adjustment of picture settings without the need to exit the game. It’s a device that meets practically all the requirements of the modern gamer.

TCL C7K is a TV that on paper looks like the dream gear for a gamer – and most importantly, it also holds up in practice. First, the good news: we have two HDMI 2.1 ports with full bandwidth, so we can easily connect both a console and a computer, making use of all their capabilities. The panel itself supports a refresh rate of 144 Hz, which gives a considerable advantage in fast-paced games. On top of that, it comes with a full suite of gaming features: VRR (variable refresh rate), ALLM (automatic low latency mode), and Dolby Vision support in games. There’s also an HGiG mode that provides an HDR effect aligned with the creators' intentions. GameBar, which is an information bar for gamers. It operates quickly, looks clear (like a Nintendo console👌), and displays what matters most: the current frame rate, VRR status, and even HDR parameters.