SAMSUNG S95F (TANDEM OLED 83") vs LG OLED C6H (TANDEM OLED)

Samsung S95F in the 83-inch variant with Tandem OLED panel also enchants with HDR effects. In test movie scenes, such as "Life of Pi" or "Sicario 2," where smaller light points dominate – stars in the night sky, the glow of the moon, or headlights – the television easily achieves brightness values exceeding 2000 nits. This is a result that not long ago seemed unattainable for OLEDs and places this model in the same category as the best Mini-LED designs.

The limitations of organic panels reveal themselves only in full-screen scenes completely filled with white. In the case of this model, for example, in the last shot from the movie The Meg, brightness drops to around 1000 nits – a bit lower than in the smaller QD-OLED variants, where the result remained around 1400 nits. Nevertheless, we are still talking about a remarkable result, unprecedented in OLED televisions of this size. Color reproduction is equally impressive. The new Tandem OLED panel essentially catches up with QD-OLED televisions, offering excellent coverage of a wide color gamut. The results are slightly weaker than those of QD-OLED, but in practice, they still provide an image whose intensity and naturalness of colors are hard to compare with any other television.

And it's with HDR that the Tandem OLED panel shows its biggest advantage. The C6H's brightness is simply very high and in our measurements it hovered around 1900–2300 nits in most movie scenes. That's already a level at which bright highlights, the sun, or small light sources can look truly spectacular. The biggest impression on us, however, was the fifth scene from the film The Meg. It is exceptionally demanding for OLEDs because practically the entire screen is very bright. Even so, the C6H reached about 1650 nits there. For comparison, the regular C6 with a classic WOLED panel delivered around 600–700 nits in the same spot. So we're talking about more than double the brightness, and in places the difference approaches threefold. That is probably the best example of what Tandem OLED brings. It's not just a higher result on a small test patch. The C6H can sustain very high brightness even when much more of the screen is lit. Thanks to that, HDR has a significantly greater dynamic range and in this respect the C6H is much closer to flagship OLEDs than to typical mid-range models.

Colors

Tandem OLED also brings improvements in color. DCI-P3 coverage remains practically full at about 99%, while in the much wider BT.2020 gamut we measured roughly 82–83%. That's about 7 percentage points more than the regular C6. In everyday use this won't be a visible difference in every scene, since most films don't use such a wide gamut. However, when very heavily saturated colors appear, the C6H already has noticeably greater capabilities, especially in reds. Reds benefit the most, becoming deeper and more saturated. It's still not at the level of the best QD-OLED panels or SQD TVs, but for a WOLED panel the result is really very good.

The best picture mode straight out of the box is undoubtedly Filmmaker Mode. This mode has been present in Samsung TVs for several years, and its intention is to reproduce the image as faithfully as possible to the creators' vision. In SDR content, it works reasonably well, although not without flaws. The picture is slightly dimmed, and the white balance tends to shift towards red and blue, resulting in a slight pinkish hue on the screen. Average color errors hover around ΔE values of 3–4, which is on the edge of what most people can perceive with the naked eye.

The limitations are much more apparent with HDR content. Here, a slight excess of blue in the white balance is not as big of a problem – the real issue becomes how the TV manages brightness. In many scenes, the picture looked as if it had been overexposed, and details in the dark could completely disappear. The final effect did not represent what the equipment of this class is capable of and led to significant color errors. It’s hard to understand why such a factory characteristic was chosen, as the HDR reception in this version definitely was not what it should be.

Right out of the box the LG C6 is pretty well calibrated, especially if you select Filmmaker mode. In SDR content the white balance is quite good, although as brightness increases it starts to show a slight lack of red. The picture becomes a bit cooler as a result, but not enough to be very noticeable during normal viewing. More is happening in the luminance response. Gamma is a bit low and, instead of holding at 2.4, it sits closer to 2.1–2.2 across much of the range. In practice the C6 slightly brightens the midtones. Shadows are therefore more readable, but the image loses some depth compared with how it should look in a dark room.

The situation is a bit more interesting in HDR. The start of the grayscale looks very good, but from roughly 20–30% brightness the white balance begins to drift increasingly. As brightness rises, red increases and blue becomes noticeably lacking. In the brightest areas the difference is already substantial and also affects the reproduction of some colors. The EOTF curve itself is, however, fairly well followed over most of the range. The C6 only tends to slightly brighten the image, which we also saw during our film comparisons. The largest deviation appears around the brightest sections, where the TV begins to map the signal to the panel’s capabilities.

The out-of-the-box Filmmaker mode in HDR is therefore not perfect, but overall it performs well. The biggest room for improvement is the white balance, especially at high brightness.

After calibration, the S95F shows what it is truly capable of. The white balance was corrected, and minor inaccuracies were adjusted, making the image in SDR content look almost exemplary. Color differences have dropped below the level that the human eye can detect – looking at the screen, one simply feels a full sense of naturalness and color coherence.

In HDR, the improvement is equally noticeable. The television handles brightness much better, eliminating the "blowing out" effect of the entire frame. Bright scenes are more controlled, and blacks retain more detail, although sometimes there may still be slight brightening of the image as a whole. Nevertheless, after calibration, the S95F delivers an image that can confidently be called one of the best on the market – regardless of whether we are watching films in SDR or spectacular productions in HDR.

LG TVs have been very receptive to calibration for years, and the C6 is no exception. After correction we were able to set the white balance almost perfectly, and most color errors (Delta E) fell below 3, often even around 2. In practice this means very accurate color reproduction in both SDR and HDR. The only curiosity showed up with the HDR luminance response. On the standard EOTF chart everything looks nearly perfect and at first glance it would be hard to fault anything. Only when we measured the TV’s behavior using filters based on actual movie scenes did it become apparent that the C6 has a slight tendency to artificially boost image brightness.

It’s not a huge difference and many people may even take it as a positive, since HDR looks a bit more striking because of it. From the perspective of fidelity to the source material, however, this isn’t ideal — some scenes are simply a bit brighter than the filmmaker intended. Interestingly, this is rather atypical for LG. In previous generations LG TVs usually adhered closely to the reference picture curve after calibration. With the C6 we’re still very close to the standard, but that subtle brightness "boost" can indeed be noticed in movies and TV shows.

The Samsung S95F model features a noise reduction function aimed at improving the fluidity of tonal transitions. Its performance is hard to call ineffective – on the contrary, it can excessively interfere with the image. Older films or materials of lower quality, such as those from YouTube, take on a soft, smoothed character because of it, reminiscent of a painted effect. The problem is that along with the noise, the natural film grain, which gives the image a cinematic quality, also disappears. Fortunately, the function does not blur essential details, so its use is more a matter of taste. If someone prefers a slightly polished and smooth image, it’s worth turning it on, but in our opinion, the most sensible setting is “Standard”.

Upscaling leaves a better impression. The S95F efficiently enhances the quality of lower resolution content – even 576p video looks quite good, although some minor artifacts in the form of blockiness can be noticed. Overall, the effect is very solid, although when compared to the competition – such as the Sony Bravia 8 (II) or LG G5 – it can be seen that those models can extract a bit more from the image. However, it's worth remembering one inconvenience: with older films and photos, there is an overscan issue that causes a slight cropping of the left edge of the image.

Here the LG C6 has taken a really big step forward. The TV uses the same processor found in the flagship G6, and in terms of image processing the two models are very similar. That's a big plus, because in this area LG's processor this year performs excellently. The "Smooth Gradation" feature works especially well. With heavily compressed material it can effectively hide ugly banding and artifacts that often appear, for example, in lower-quality streaming. It's best to leave it on the "Low" setting. That way the improvement is noticeable, and the TV doesn't yet start blurring fine details. Higher levels smooth the image more, but can start to remove some of the natural texture of objects on screen. The upscaling itself also performs very well. Lower-resolution material is properly sharpened, edges look clean, and the processor quite effectively reconstructs fine details. In this respect the C6 is already very close to LG's best TVs, and the differences compared with the G6 are small.

In the case of the 83-inch S95F with a Tandem OLED panel, the motion smoothness also makes a huge impression. The panel in native 4K resolution offers a refresh rate of 165 Hz, and this combined with organic technology makes games and sports look remarkable. Additionally, the manufacturer added a film smoother and a motion blur reduction system, allowing each viewer to adjust the image to their own preferences – whether it's a more "frame-rate" cinematic effect or a smooth, almost theatrical spectacle.

The C6H with a Tandem OLED panel can also operate at refresh rates up to 165 Hz. PC gamers will get the most use out of that, of course, because for consoles, movies, or sports we’re still talking about a maximum of 120 Hz. The panel itself performs excellently in motion. OLED pixels respond virtually instantly, so even with fast-moving objects you don’t see the typical motion blur behind them. The image stays clean whether you’re watching sports or playing fast-paced games.

If you care more about smoothness than motion clarity, TruMotion is available. LG lets you adjust two parameters separately. De-Judder works mainly with films and series shot at 24 fps and helps reduce the judder typical of them. De-Blur, on the other hand, is intended for 50/60 fps material, so it’s especially useful when watching sports or TV.

The low trailing and phenomenal motion fluidity, which are the hallmarks of OLED technology, are just the warm-up. The Samsung S95F has been designed with gamers in mind – and this is evident at every turn. Four HDMI 2.1 ports with a bandwidth of 40 Gb/s may sound like a compromise on paper, but in practice, neither consoles nor PCs will experience the slightest limitations. On board is a complete set of gaming features: variable refresh rate (VRR), automatic low latency mode (ALLM), and a flawlessly implemented HGiG standard, which allows you to enjoy HDR exactly as the creators intended. All of this is complemented by Game Bar – an intuitive control center where you can check and adjust the most important settings in seconds.

Particular attention should also be paid to Game Motion Plus, Samsung's own smoothing technology. It can add extra fluidity to animations, which can be a lifesaver in games running at 60 frames, where stability doesn't always hold up. Indeed, support for Dolby Vision in games is missing, but it's hard to consider this a serious flaw – the manufacturer compensates for this gap with other solutions. The S95F is one of the absolute favorites for the title of the best gaming TV on today's market.

The C6H offers basically a full package of gaming features. On consoles we can easily use 4K at 120 Hz, while PC users can push the refresh rate up to 165 Hz. The TV also supports VRR from 40 to 165 Hz, ALLM and a proper implementation of HGiG. Dolby Vision is also available in game mode, which remains a significant advantage for Xbox owners. We can view all the key information in the Game Bar, which provides quick access to VRR settings and current signal parameters. The OLED tandem therefore doesn't change the actual feature set for gamers, but with such high panel brightness HDR games can make an even bigger impression. Functionally, the C6H is simply a very complete TV for console and PC.