TCL C655 Pro vs Sharp GP7

In the HDR effect quality category, the TCL 655 PRO television shows decent capabilities, achieving 550 nits of peak brightness. This allows for enjoyment of HDR effects, which is clearly visible in scenes such as the first from the movie Life of Pi or the last frame from The Meg. However, the limited number of dimming zones causes some problems. While in bright scenes the television performs better than its lower model, in more demanding scenes, such as the second and fourth scenes from Sicario 2, it struggles. The dimming algorithm aims for deep blacks, but at the cost of brightness – which in these moments leads to a decrease in brightness by as much as half. In these more challenging scenes with small elements, it is hard to find any praise, and the HDR effect resembles rather SDR. Nonetheless, the coverage of the color palette deserves commendation, which, like in the version without the PRO suffix, is at a very good level.

In terms of HDR, the Sharp GP7 can pleasantly surprise us. The maximum brightness around 500 nits is the threshold at which the real advantages of high dynamic range become visible. During our tests, we achieved stable values between 430 and 500 nits, which translated to clearer distinction of elements in both bright and slightly darker scenes. Additionally, there is a DCI-P3 color gamut coverage of around 95%, which allows for vibrant, visually pleasing colors. Of course, this is not the highest league, but for this price range – a big plus.

Each of our TV tests is conducted in movie mode, which usually offers the best color reproduction. Nevertheless, even this mode is not free from problems, as we noted with the TCL 655 PRO model.

In the case of HD content, the white balance clearly shifts towards red, and this effect becomes particularly noticeable in a scene from Star Wars, where the white elements of the scenery take on a pink hue. For 4K HDR material, the situation looks better, but there is a tendency to excessively enhance the blue color. As a result, the image can appear artificially sharp, which proves to be uncomfortable for the eye over a longer period. The brightness characteristic also leaves much to be desired. The Gamma chart indicates serious difficulties with excessive brightening, causing the overall presentation to look washed out. Additionally, the EOTF curve reveals significant issues with the reproduction of very small elements - they are excessively dimmed, as we detailed in the paragraph regarding HDR effects.

Upon taking it out of the box, in movie mode, the GP7 doesn’t perform badly at all. In HD materials, we noticed slight disturbances in white balance – drops in red and blue, which made the image have a slightly greenish tint. This is visible, for example, on the faces of characters, which become less three-dimensional. The gamma is somewhat brightened in places, resulting in less deep blacks. In 4K HDR content, a cooler, bluish tone additionally emerges, making colors appear less natural. On the other hand, looking from the "out of the box" perspective, these settings are not bad – just minor adjustments are needed, and we will try to improve them with special tools.

After calibrating the TCL 655 PRO television, a noticeable improvement in white balance can be observed, having completely eliminated the tendency for the screen to have an excessive pink hue, which was previously visible in factory mode. The image has taken on more natural tones, especially in white and bright elements, positively affecting the overall perception of the picture. As for brightness characteristics, the Gamma chart has also improved – the screen is no longer excessively bright, which previously made the image look washed out. Nevertheless, there are still some issues with the EOTF curve that are difficult to eliminate due to the design of the television and its limited number of dimming zones. These limitations prevent achieving ideal results in this regard. However, despite this minor flaw, the overall effect after calibration is truly outstanding, providing high image quality and very good color reproduction.

Calibration really makes a difference in GP7. After implementing the adjustments, we achieved a better white balance in HD content, and the colors started to look much more natural, with minimal deviations and without a clear dominance of individual colors. In 4K HDR, the change is not as spectacular, but still noticeable. The gamma has been brought to a more neutral level, although there is still a visible issue with a slight boost in the brightest details on the screen. The lack of control over dynamic tone mapping limits our maneuvering room, but nonetheless, this is a significant step forward compared to the factory settings.

The TCL 655 PRO television handles tonal transitions in lower-quality materials quite well. The "Gradual Smoothing" feature at a low setting effectively smooths out tonal transitions; however, this comes at the cost of losing some important details, such as the texture of objects. A positive aspect is that it does not negatively affect film grain, which helps maintain the natural look of the image.

In the context of digital processing, the television adds artificial sharpness. This may appeal to users who prefer a more vivid image. However, those who favor a softer, subtler look may find this to be a drawback. Additionally, a downside is the image cropping due to overscan, which limits the field of view and trims the edges of the frame. This can be problematic in certain scenes - e.g., news tickers.

The TV can quite well scale lower quality content. Our test panels were well reproduced, and although there was minimal aliasing on small, delicate shapes (for example, thin branches), it still looked satisfactory. Additionally, the GP7 offers a "10-bit color reproduction" feature to smooth out tonal transitions in poor quality materials. It is useful, but at the expense of some details, which is why we recommend turning it on only when we are really watching something of poor quality.

The TCL C655 PRO TV is equipped with a 4K panel with a refresh rate of 60 Hz, making it ideal for watching movies. Additionally, the "Flicker Reduction" feature allows users to adjust the fluidity of the image, giving them the choice between smoother motion or a cinematic, choppy effect. Moreover, the TV handles lower resolution content well, such as Full HD and 2K, offering a refresh rate of 120 Hz, which will certainly appeal to gamers who can enjoy smoother images, albeit at the cost of lower resolution.

With a 60 Hz refresh rate and an average response time, it's hard to expect miraculous smoothness. In dynamic tests, like the one with the "little green man," it is evident that the image can blur and occasionally lose sharpness. For watching movies and series, this is acceptable, especially since one can use a motion smoother with three levels of adjustment. However, if we care about ultra-smooth sports broadcasts or super responsive gaming, we may feel underwhelmed.

The TCL C655 PRO television offers an almost perfect set of features for gamers, supporting all key technologies that significantly improve the gaming experience. The ALLM feature automatically switches the television to low latency mode, resulting in better responsiveness and minimized signal delays – particularly important in dynamic titles. VRR synchronizes the screen refresh rate with the number of frames generated by the console, eliminating screen tearing and thus guaranteeing smoother gameplay.

Support for Dolby Vision in game mode allows for more detailed color and contrast reproduction in games that support this format, while the Game Bar provides quick access to important settings such as response time or latency level. Unfortunately, this model does not support 4K resolution at 120 Hz, which may disappoint the most demanding gamers. However, for those who can forgo 4K, support for Full HD and 2K at 120 Hz offers exceptionally smooth visuals, making it an attractive alternative for enthusiasts of higher refresh rates.

Let's not kid ourselves – the GP7 is not a television for the most demanding console gamers. Yes, it has ALLM that will automatically switch the TV to low latency mode, but it lacks VRR or G-Sync. There is also no advanced menu to facilitate the adjustment of settings during gameplay. Dolby Vision in games? Yes, but with such high input lag that it's hard to talk about comfort. If we play occasionally and do not aim for the highest standards, we can get by, but fans of technical innovations will be disappointed.