Sharp GR8 vs Sony BRAVIA 2 II (S25M2)

Sharp GR8 in its promotional materials boasts of "very high brightness" at a level of 500 nits. Unfortunately, our tests showed that the reality is somewhat different – the average luminance value we managed to achieve was around 360 nits. This is rather an average result, especially in the context of the manufacturer's claims. Such brightness does not allow for a full enjoyment of HDR effects. The image is a bit more defined than in standard SDR, but it is difficult to speak of true richness and depth in bright elements here. However, praise is due for the DCI-P3 colour gamut coverage at a level of 95%. This is a result of the application of an additional PFS layer, known from QLED technology. As a result, the colours are vivid and have a pleasant, natural tone, which somewhat compensates for the deficiencies in brightness.

The Sony Bravia 2 II is not a very bright TV and unfortunately that is immediately apparent in HDR. In our measurements brightness stayed around 300 to 330 nits, which is clearly too low for the brightest parts of the image to look truly impressive. In practice, HDR here does not differ that much from standard SDR. Bright highlights, the sun or lamps are of course visible, but they lack the intensity you would expect from HDR material. The Bravia 2 II therefore performs much better with standard SDR content, and in that use its limited brightness will be least noticeable.

Colour gamut coverage

The Sony Bravia 2 II is also not impressive in terms of colour. The TV does not use any additional gamut‑expanding filter, such as the quantum dots found in QLED TVs or a PFS phosphor layer. In our measurements coverage of the DCI‑P3 gamut was about 78%, and the very wide BT.2020 roughly 57%. That's definitely too little to talk about truly saturated colours in HDR material. More intense reds, greens or turquoises will simply be less striking than on TVs with an expanded colour gamut. The Bravia 2 II therefore performs much better in the Rec.709 standard, the gamut used for films, series and television in SDR.

At the outset, it is worth noting that colour reproduction tests are always conducted in the best factory picture mode. In the case of Sharp GR8, this is the “Film” mode. As for white balance, which affects how we perceive colours on the screen, in SDR mode, there is an immediate noticeable dominance of blue. This results in an unnatural cooling of the image – blue elements take on a purple hue, and skin tones acquire a pinkish glow, as we can see in the comparative photo from the film STAR WARS. During the Color Checker test, it was clear that the colour samples deviated from the reference values, confirming considerable errors in colour reproduction. The gamma was also not ideal – it caused excessive brightness throughout the entire image, resulting in a lack of depth and appropriate tonal transitions in the scene.

In 4K HDR mode, the situation looks significantly better. The dominance of blue is much less noticeable, although there are minor issues with the combination of red and blue. This causes some shades to appear somewhat unnatural. The EOTF curve, responsible for the brightness of the image in 4K HDR content, revealed another problem – the television tends to excessively dim the image across the entire surface of the screen.

In summary, the “Film” mode in Sharp GR8 would require a few adjustments to fully utilise the potential of this television. Fortunately, we took care of that and proceeded with calibration.

The out-of-the-box colour reproduction in Cinema mode was actually quite good, at least for ordinary SDR material. The Bravia 2 II had a slight tendency to boost reds, so some colours shifted to slightly warmer, at times faintly pinkish, tones. However, this wasn’t a major fault and during normal viewing the picture still looked fairly natural. There was a bit more happening with image brightness. Looking at the gamma curve, you can see Sony doesn’t stick perfectly to the reference value. The darkest areas are slightly lifted, while as brightness increases the gamma gradually rises and a larger part of the picture becomes darker than it should. That said, it’s not such a large difference as to be very distracting in everyday viewing. Overall, SDR straight out of the box performs quite respectably.

The situation is considerably worse in HDR. We’ve already mentioned the limited colour gamut, but in addition the Bravia 2 II noticeably manipulates image brightness here. The EOTF curve sits below the reference value for a large part of its range, which means the TV renders most mid and brighter parts of a scene darker than the source material intends. Only towards the very end of the range does the curve flatten out, as the panel reaches the limits of its capabilities. Combined with a peak brightness of around 300 nits, this results in HDR that not only lacks much brightness, but can also simply look too dark.

Sharp GR8 is one of those televisions that truly gains a second life after proper calibration. Both in HD and 4K content, the white balance performs very well, especially when considering the price segment of this model. The image becomes much more aligned with what the director intended to show – colours look natural, and skin tones acquire the appropriate depth and warmth. The brightness characteristics also make a very positive impression. Both gamma and the EOTF curve display really solid values. While minor imperfections can be noticed, they are subtle enough that they are difficult to detect during everyday viewing. In summary, calibration allows the Sharp GR8 to showcase its best features, offering an image that is not only pleasant to the eye but also faithfully reflects the creators' intentions.

Calibration did a lot for the Bravia 2 II, particularly with SDR content. Above all, we managed to even out the white balance and tidy up the gamma, which now follows the reference value much more closely. As a result, the image no longer has the previous pink cast, and the brightness across different areas is much better organised. You can also see this in the colour errors, which after calibration fell to a very low level (with slight issues in the most saturated reds). We also partially managed to rein in the Bravia 2 II in HDR, especially in the way the television handles image brightness. However, there is one thing no calibration can fix: the capabilities of the panel itself. A narrow colour gamut means the television is physically unable to reproduce the most saturated colours present in HDR material. On top of that, the low contrast of the IPS panel means darker scenes are veiled by a grey haze, which robs colours of some of their depth. So we can improve how the Bravia 2 II makes use of its capabilities, but unfortunately we cannot overcome the panel's inherent limitations.

Sharp GR8 has been equipped with the "10-bit colour reproduction" feature, which theoretically should improve the smoothness of tonal transitions. In practice… well, the effect is surprising, but not in a particularly positive way. Even at the highest settings, it is difficult to notice any impact on the actual tonal transitions. Instead, the feature surprisingly smooths out what it shouldn't – walls, shirts, or other flat surfaces look almost like they have been freshly ironed. In the test, we had to note that there is simply no actual impact on tonal transitions.

As for image scaling, here Sharp GR8 performs significantly better. The television can give the image a plastic, smooth characteristic, meaning even lower resolution content looks quite good. Of course, with more demanding details, such as thin tree branches in the background, one can notice slight jaggedness, but it is not something that would significantly affect viewing comfort.

The upscaling on the Bravii 2 II is quite good and, in that respect, the TV matches the standard Sony has set. Lower-resolution content is sensibly upscaled to 4K, and the image is slightly smoothed in the process without excessive edge sharpening. The situation is worse when it comes to improving footage with visible compression artefacts. This is handled by the "Digital Noise Reduction" function, which at the "High" setting can indeed smooth out some unpleasant tonal banding. The problem is that it does this rather aggressively and, along with the imperfections, it also removes a lot of fine detail, including natural film grain. What is more, when there is more motion on screen its effectiveness drops sharply and any improvement is then minimal. For everyday use we therefore tended not to use this function.

This is where Sharp GR8 has the chance to stand out from the competition in its price segment. The television is equipped with a 144 Hz refresh rate panel, which is an impressive achievement, especially if we plan to use it for dynamic content such as action films, sports broadcasts, or video games. Additionally, the manufacturer has ensured the presence of motion smoothing technology, commonly referred to as a “smoothness enhancer.” The user has three levels of adjustment at their disposal, allowing them to tailor the effect to their own preferences – from subtle smoothing to a more aggressive intervention in the smoothness of the image. This is a nice addition, particularly for those who mainly watch films and care about smooth, cinematic sequences without irritating stutters or frame drops.

Bravia 2 II uses a 60 Hz panel and, given its capabilities, handles motion quite well. However, bear in mind that it is a basic panel and its limitations are already clearly visible, especially during sports. The TV cannot interpolate 50/60 fps material to a higher refresh rate, so it cannot further improve the sharpness of fast-moving objects. For films and series, however, it offers a conventional motion smoothing feature that can reduce the characteristic judder of material shot at 24 fps.

If the television has a 144 Hz panel and two full HDMI 2.1 ports, it is clear that it has been designed with gamers in mind. The Sharp GR8 offers exactly that – high refresh rates and the appropriate connections that will allow you to get the most out of modern consoles and PCs. It also features ALLM, which automatically switches the television to low latency mode, and VRR, which ensures the image does not stutter even during more demanding moments. In practice, everything works as it should, and it is hard to find fault with anything. However, there are some shortcomings. It lacks support for HGiG, which is a feature that better adjusts HDR for games, as well as Game Bar, which makes it easier to quickly adjust settings without leaving the game. Despite these drawbacks, the Sharp GR8 is truly a solid option for gamers.

The Bravia 2 II is not a television that lends itself well to gaming, and the list of features shows that quite quickly. You essentially only get the automatic low-latency mode ALLM and a simple Game Bar that lets you view basic signal information and change a few settings. But that is where the list of strengths ends. The TV does not support VRR or 120 Hz (not even at lower resolutions), and on top of that it has problems with a proper implementation of the HDR HGIG format. It is suitable for occasional console gaming, and thanks to low input lag controls remain responsive, but if someone is looking for a TV primarily for games, the Bravia 2 II will simply be a rather limited choice.