TCL MQLED85 / C765 vs TCL C6K

The television TCL MQLED85/C765 performs well in handling HDR. In the tested movie scenes, where the screen is at 100% brightness, the model achieves impressive results around 1000 nits, providing intense and realistic rendering of HDR content. However, similar to contrast, the dimming algorithm may show some limitations. Despite a large number of Mini LED zones, the television does not always manage to "wow" the user with brightness in very challenging test scenes. For instance, in the scene from the film "Life of Pi," where a bright moon appears against a dark background, and in another scene from "Sicario 2," where a very bright light effect is visible against a dark background, the television did not reach maximum intensity. For users expecting a perfect HDR effect in such extreme cases, the TCL MQLED may come up a bit short. However, in terms of colours, the television stands out with a very high coverage of the DCI P3 colour gamut at 95%, which is an impressive result comparable to much more expensive models. TCL MQLED85 / C765 offers support for various HDR formats, including Dolby Vision and HDR10+, which is crucial for cinema image fans. Although this model achieves brightness over 1000 nits, the TCL MQLED85 may struggle to reflect details in very high-contrast scenes. For better HDR quality control, the C765 is equipped with dynamic tone mapping, making the image more realistic and natural depending on the content.

TCL C6K is a moderately bright television that can showcase its full capabilities in the best movie conditions – the maximum brightness is around 600 nits. In scenes with large, intense light sources, the HDR effect can be truly satisfying, providing a sense of cinematic sparkle. However, it's important to remember that with local dimming management, there are situations where some elements become dimmed, and sometimes even barely visible. It is clear that there is a lack of proper optimization of the algorithms, although looking at the technical parameters in this price range, the build quality performs very well.

The television TCL MQLED85/C765 was tested in movie mode, which, while seeming to be the best setting from the manufacturer, is not without its flaws. The colour reproduction in HD/SDR mode MQLED85 shows certain shortcomings. In the analysis of white balance, there is a significant lack of blue colour, which can affect the overall image quality, particularly in bright scenes where blue shades are crucial for natural representation. The overall image may then appear too warm. As for gamma contrast, the graph shows that there is a large jump above the reference line of level 2.4 at the beginning, which may suggest significant dimming of brightness in darker areas, leading to loss of detail in blacks. Then for most of the time, the values are below this line, which can lead to loss of detail in the brighter parts of the image. Such a distribution may negatively impact the perceived image quality, especially when watching regular TV in HD quality.

In the case of the 4K HDR image quality of the TCL MQLED85/C765 television, there is a noticeable excess of red colour in the analysis of white balance. This excess can significantly impact the viewer's experience, leading to several notable effects. First and foremost, an excessive amount of red can make other colours, such as green or blue, appear muted or unnatural. This distortion of colour balance can result in an overall impression of "oversaturation," which detracts from the image's naturalness and authenticity. In terms of contrast, the EOTF (Electro-Optical Transfer Function) graph indicates that most values are above the reference line, suggesting an intense boost in brightness in the bright areas of the image. However, the exception is the start of the graph, where the EOTF line is below the reference, which may lead to excessive dimming of small light elements.

Users should be aware that despite using the best mode, which is movie mode, the television is not free from flaws in the context of image settings, so it is worth considering adjusting the settings to achieve better results.

This year's TCL televisions have introduced the Filmmaker mode, and it must be said that it is definitely the best choice right out of the box. This is the mode we recommend for everyday viewing of movies and series. Unfortunately, as is often the case, the best does not mean perfect. In the case of SDR content, the image was too warm, as the red was quite prominent in the white balance. On the other hand, with HDR content, we had the opposite impression – the image became cooler than it should have been, due to an excess of blue. There is also the brightness characteristic, which at times led to overexposure. In practice, these issues combined resulted in quite noticeable errors in colour tests, which are hard to accept in a mode advertised as “by the creators”.

After professional calibration of the television TCL MQLED85/C765, its colour properties in film mode have significantly improved, resulting in much more satisfying visual experiences. Both in SDR and HDR modes, the white balance shows no serious errors, and the graph appears to be much better harmonised. Users can now enjoy natural colour reproduction, which is crucial for achieving an authentic experience while watching films. It is worth noting that in HDR content, there may be minor colour reproduction errors at the end of the graph, but these are significantly smaller than before calibration. As a result, characters and landscapes become more realistic, enhancing the depth of immersion in the story.

Regarding contrast, the gamma curve, responsible for HD quality, has been completely free of drops below the reference line, which means better visibility of details in dark scenes. However, there is still a slight boost at the beginning of the graph, which may affect the perception of bright elements. For HDR content, the EOTF curve also shows fewer errors, although some issues with reproducing mid-tones may still be noticeable. The EOTF curve measured on real film scenes still shows a significant brightness boost, so the image may appear more intense but artificially brightened. This is a typical problem for TCL brand televisions, which may appeal to untrained viewers but can frustrate those more familiar with an ideal image.

What benefits does professional calibration bring to film enthusiasts? Thanks to it, viewing becomes even more realistic and immersive, allowing every scene to be experienced fully, preserving details and natural colours.

Thanks to the white balance adjustment, we were able to significantly reduce the C6K's tendency to distort colours, which resulted in a very good end result. After calibration, we won't observe the effect of excessive warming of scenes in SDR or overly cooling the image in HDR. However, it is worth taking a closer look at the brightness characteristics. In SDR content, it's hard to have major objections – the picture looks really good, especially in older movies, TV shows, or material from YouTube. It performs significantly worse with HDR content. An analysis of the EOTF curve suggests that everything is fine, but in practice (EOTF in movies), the limitations of the construction become apparent. The television tends to excessively brighten the smallest fragments of the frame, and in other situations, it can overly dim the entire scene. The effect of calibration is therefore noticeable, and regarding colourimetry, the C6K has really gained a lot, but certain limitations resulting from local dimming and actually from its management by the C6K simply cannot be overlooked.

We will now take another look at the tonal transitions on the TCL MQLED85/C765 TV, but in the context of lower image quality. Despite the presence of the "Gradual Smoothing" option, when set to "low", the effects are practically invisible, disappointing users who expect an improvement in image quality. On the other hand, the "high" setting yields minimal results, and worse still, it can blur important details, negatively impacting the sharpness and clarity of the displayed image. However, in the context of image scaling, the TV successfully displayed the image without overscan, meaning we do not lose any part of the view. The image looks quite decent, and details such as tree branches or the outlines of models do not show significant jaggedness, which positively affects the visual quality.

TCL C6K performs quite well in terms of upscaling. Lower quality materials appear acceptable, and the absence of overscan issues means the image is displayed in full, without cropping. However, one cannot expect miracles – very low quality content won't come to life here, as the image processor has its limitations. On thin lines or details, there is characteristic tearing visible, which indicates a lack of advanced image enhancement algorithms. It is also a shame that the C6K lacks the function of smoothing tonal transitions – in older films or video materials, colour banding can be noticeable and may be distracting during longer viewing sessions.

TCL MQLED85/C765 is equipped with a standard refresh rate panel of 120 Hz, with the possibility of increasing it to 144 Hz when connected to a powerful computer. The television also offers a multi-level motion smoother, which is mainly aimed at users wanting to improve the fluidity of motion in films. It allows for adjusting the intensity of the effect on a scale from 0 to 10, enabling precise tailoring of the image smoothness to individual preferences. The response time of the panel is decent, but not perfect. We can observe motion blur occurring behind both dark and medium objects.

TCL C6K uses a 144 Hz panel, which is a significant advantage in this price range. It's an important step forward in comparison to the previous model C655 PRO, which only offered 60 Hz in 4K. The difference is especially noticeable when watching sports or playing games – the ball, players, or fast action in the game are displayed more clearly and without losing detail. An interesting fact is the panel's ability to operate at 240 Hz, which the manufacturer doesn't mention in official materials. We will return to this topic when discussing the PC gaming mode.

TCL has also added a feature for movie watchers: "Motion Clarity," which allows users to adjust the image according to their preferences with two simple sliders. You can either keep the visible film frame or opt for a very smooth, almost theatrical effect. This way, everyone can find settings that match their taste.

TCL MQLED85/C765 has achieved an impressive rating in the gaming features category, making it an excellent choice for gaming enthusiasts. The television supports all the latest technologies that significantly enhance the gaming experience. Among the key gaming features is ALLM (Auto Low Latency Mode), allowing the TV to automatically switch to low latency mode, minimising response time and ensuring smooth gameplay. VRR (Variable Refresh Rate) supported from 48 to 144 Hz eliminates stuttering and screen tearing in dynamic game scenes. Additionally, the TV supports the Dolby Vision Game Mode, which provides better image quality in games with exceptional depth of colour and contrast. TCL MQLED85/C765 also features a decent but not the best implementation of HGiG (HDR Gaming Interest Group), optimising the display of HDR games, however, in the case of TCL, it causes bright details to wash out, resulting in some elements merging into a white blob - more on this can be read in the colour reproduction section. It supports various resolutions such as 1080p@120Hz, 1440p@120Hz, and 4K@120Hz, allowing gamers to enjoy higher image quality and better fluidity. The Game Bar feature allows for easy switching between game settings and quick control of parameters, which significantly simplifies adjusting the TV to individual needs. With support for G-Sync and FreeSync technologies, users of NVIDIA and AMD graphics cards will be pleased with the refresh rate synchronisation capabilities, eliminating tearing and stuttering issues, ensuring smoother and more immersive gameplay.

MQLED85/C765 is a television that combines advanced technologies and excellent support for gamers, making it the ideal choice for those looking to maximise their gaming experiences.

The TCL C6K is a television that can confidently be called equipment designed for gamers. We have 4K at 144 Hz, VRR support, an automatic gaming mode (ALLM), and Dolby Vision Gaming. On top of that, there's a practical Game Bar, which is a panel with the most important settings handy – useful when we want to quickly change something during gameplay (e.g. screen ratio: Yes, you can!). Notably, it has a wide range of VRR, reaching up to 240 Hz. However, this option is mainly for PC gamers who drop below the native 4K resolution. In that case, the television can spread its wings and show additional smoothness, especially in fast e-sport titles. For consoles, we stick with the classic limit of 120 Hz, but the possibilities are still quite broad. The only slight drawback is some minor motion blur that can occasionally be seen in dynamic scenes. Other than that, the C6K offers everything gamers expect from a television.