Samsung The Frame 2025 (LS03F) vs TCL C9K

The Frame LS03F is a television that can surprise with its brightness. The maximum luminance reaches around 650 nits, which already looks impressive on paper. But as we know, laboratory tests are one thing, and real film scenes are quite another. When watching HDR materials in natural conditions, The Frame 2025 maintains very good results. In most film scenes, the peak brightness remained at around 550–650 nits. This is a sufficient value to feel the difference between standard picture quality and that of HDR – bright highlights, reflections on water, or moonlight are presented clearly and spectacularly.

It is also worth remembering that the LS03F is a QLED television, which translates into solid colour saturation. The coverage of the DCI-P3 colour space reaches about 92%, allowing for vibrant, intense colours in HDR content. This is not the level of top premium models, but for a lifestyle screen, the result truly deserves recognition.

As we mentioned with black and contrast – the C9K makes a huge impression in synthetic tests. Our measurements showed that on a screen 10% filled with white, the television is capable of squeezing out... 4000 nits of brightness! It sounds cosmic, but – and here unfortunately the pattern repeats – the numbers say one thing, and practice another. In real film scenes, the situation looks different. In the best case, when the light effects occupy a large part of the image and the local dimming algorithm doesn't have to think too hard about what to do with thousands of zones – the result is really quite good. At that point, the C9K can reach about 1500 nits, which provides a pleasant, intense flash and can indeed make a positive impression.

The problem begins with smaller elements – such as stars in the sky, the moon, or individual reflections. That's when the proverbial cat comes out of the bag: the algorithms are not yet refined, and brightness drops even to 400–500 nits. This is a huge difference compared to the potential of 4000 nits that we saw in laboratory tests. Why does this happen? Most likely, the television tries to protect the black and minimise the halo effect around bright objects. Unfortunately, this comes at the cost of details – some of the intricate details simply disappear, and the scene loses its nature.

When it comes to image quality straight out of the box, even in Filmmaker mode, which is supposed to be the closest to reference, there were issues. We noticed clear deviations in white balance in both HD and 4K HDR content. The image was heavily skewed towards red and blue, giving the screen a characteristic pinkish tint. This effect was most noticeable in bright scenes – for example, in shots with a lot of white, where neutral light should naturally dominate. At such moments, the screen clearly took on pink tones, which is also visible in the attached comparison photo. As for the brightness characteristics – it wasn’t as bad as one might expect with such colour inaccuracies. The analysis of the gamma curve and EOTF showed a slight brightening of the image compared to the reference, but not enough to drastically ruin the viewing experience.

For colour tests, we once again reached for the Filmmaker mode – a new feature in TCL televisions for 2025. And although the direction itself is a step in the right direction, the execution leaves much to be desired. The white balance in SDR content turned out to be too warm – there was an excess of red. Conversely, in HDR, it swung in the opposite direction: the image became excessively blue. The Colour Checker test revealed quite a few colour inaccuracies that were noticeable to the naked eye. An even bigger problem turned out to be what we mentioned above – managing brightness. Regardless of whether we were watching SDR or HDR content, the image had a tendency to blow out the entire scene, giving it an unnatural, almost grotesque character. Therefore, it is hard to call this a 'director’s mode' – because the director surely has never seen such an image.

After calibration, the movie mode has gained a completely new quality. The issue of the pink tint, which had been clearly visible before, especially in bright scenes, has been effectively eliminated. Colours now look much more natural, and the white balance no longer dominates the rest of the image. It is no longer the same exaggerated "box picture" – everything now has coherence and a cinematic character. Additionally, the tendency of the television to slightly brighten scenes, previously visible in the EOTF curve analysis, has been partially corrected. Of course, this is within the limits of what the design allows without local dimming – one cannot speak of perfect brightness management here. Nevertheless, the final effect was definitely closer to what one might expect from a mode called Filmmaker.

After calibration, we finally managed to tame the white balance – and it immediately translated into a more natural image. Colours finally started to look as they should, and the overall presentation was incomparably better than with the factory settings. In other words – it’s worth taking a moment to improve this, as the gain is really significant. The gamma responsible for managing brightness was also brought under control in SDR content, and the effect was more than satisfactory. Unfortunately, when we switched on the HDR material, the situation quickly became complicated. No matter how we set the local dimming, the television had a tendency to do what it pleased with the image – either overexposing the whole picture or dimming the darkest parts too much. Just like we saw in the scene from the film Billy Lynn. Colour-wise, the improvement after calibration makes a great impression, but managing brightness in HDR remains the Achilles' heel of the C9K and constitutes a technological limitation.

LS03F has been equipped with the NQ4 processor, which is responsible for improving image quality – particularly in lower quality materials. In practice, this works surprisingly well, especially when it comes to older content and recordings with lower resolution. Activating the "noise reduction" function yields noticeable effects. The TV effectively smooths tonal transitions and removes digital noise that can appear in darker areas of the image. Compared to previous generations, there is a clear advancement – previously, this function often smoothed everything too much, including details that it shouldn't remove. In this year's model, smoothing still occurs, but in a much more acceptable manner. Textures of materials, skin, and fabric details are no longer subdued as strongly as before – the image retains more naturalness. However, this does not change the fact that film grain is still removed by the TV, which may not appeal to everyone. On the other hand, it is no longer as aggressive an intervention as in previous models. It is also worth mentioning that the LS03F may struggle with very weak signals – for example, from VHS tape recordings or low-resolution video. In such cases, we noticed slight clipping of the image at the edges – so-called overscan. This can lead to a situation where a small part of the image (e.g., subtitles at the bottom edge) gets cut off.

The digital image processing in TCL C9K is rather mediocre. The tone transition smoothing feature is supposedly present, but activating it hardly makes any difference – colour banding is still visible, and it can inadvertently highlight elements we would prefer to hide, such as textures of objects. Fortunately, it does not remove film grain, but that's scant consolation considering the effects are still poor. Thus, it's hard to recommend using this option.

On the other hand, image scaling performs significantly better. Lower quality materials look quite decent – characters and backgrounds are represented clearly, although of course, with sources like 576p, the limitations of the physics cannot be disguised. Sometimes, there's characteristic aliasing of objects, but that's due to the source itself, not the algorithm. A plus for the fact that there are no overscan issues – the image is neither artificially cropped nor enlarged.

The new feature in The Frame for 2025 is a display with a refresh rate of 144 Hz. Yes – in a television that is mainly associated with displaying works of art, you can now not only watch Van Gogh but also comfortably play on a console or follow dynamic sports events. This is a definite step towards greater versatility. In the case of Samsung films, as usual in models with a display rate of 120 Hz and above, it allows you to adjust motion smoothness according to your preferences. You can set a more cinematic reproduction while maintaining frame rate or opt for full motion smoothing. The range of options is broad, allowing you to tailor the effect to your own taste – whether the viewing experience is meant to resemble classic cinema or a show on a modern theatre screen.

*this part of the test refers to the LS03FAU model in sizes 55 and 65 inches, which is equipped with a 144Hz panel, while sizes 43 and 50 inches have 60Hz displays, and thus perform much worse in terms of motion smoothness.

Similar to the C8K, the C9K is also a really fast television – both figuratively and literally. On board, we have a 4K panel with a refresh rate of 144 Hz, and at lower resolutions, the panel can even ramp up to 288 Hz. Such speed translates into practice – while watching sports or playing games, the picture looks very smooth and clear. Additionally, in films, we get an extra motion smoothing feature called Motion Clarity, which allows you to adjust the smoothness to your own preferences – from the cinematic "stuttering" of frames to nearly theatrical smoothness.

As we mentioned earlier – although The Frame is likely to display images and works of art most of the time, Samsung recognised that a Van Gogh enthusiast could just as easily be an avid gamer. And it must be admitted that The Frame 2025 has almost everything needed to become a full-fledged gaming television.

On board, we find support for ALLM (Automatic Low Latency Mode) and Variable Refresh Rate (VRR) thanks to the implementation of one HDMI 2.1 port. The television handles lower resolutions at higher refresh rates effortlessly and features an advanced Game Bar – already known from other Samsung models – which allows for a quick preview and change of the most important gaming-related settings. For this, it earns extra points from us. The proprietary motion smoother Auto Motion Plus Game is also worth mentioning, which – it is worth emphasising – operates without increasing input lag. Samsung remains the only manufacturer that has managed to implement this feature in a practically invisible manner in terms of delays. The effect? Much better fluidity in games, especially those that struggle to maintain a stable 60 frames per second. This solution can realistically improve the gaming experience in more demanding titles – particularly on consoles, which do not always manage full fluidity, especially in AAA games.

As for the downsides – the lack of Dolby Vision is already considered standard in Samsung televisions, so there is not much to particularly criticise here. However, there is a different issue entirely. In the latest version of the Tizen system, the HGiG option has disappeared. Literally – it is not there. This is a significant hindrance when configuring the console for proper HDR content display in games. It is hard to understand why such a decision was made, but one thing is certain – this should be fixed as soon as possible. We are talking about a brand that has set standards for gaming on televisions for years. If HGiG returns – and we hope it will – The Frame LS03F can confidently aspire to be called a genuine gaming television. Not just as a decoration on the wall, but as equipment that truly provides joy in gaming.

For gaming, the TCL C9K is a complete tool. Here we have two (out of four) HDMI 2.1 ports with full bandwidth of 48 Gbps, so all the key technologies work: VRR (Variable Refresh Rate) and ALLM (Auto Low Latency Mode). Additionally, the manufacturer has included a really intuitive Game Bar, which allows you to quickly check the most important parameters and adjust settings without rummaging through the menu. Also worth noting is TCL's policy – the television does not shy away from any HDR formats, even in game mode. Whether it's HGiG or Dolby Vision for the Xbox Series S/X console – everything works as it should, giving the player a wide range of freedom.