LG OLED C6H (TANDEM OLED) Review

C6 / C64 / C6E / C6H / C61

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Review LG OLED C6H (TANDEM OLED) Main photo

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Panel type: WRGB OLED Refresh rate: 165Hz Brand: LG Resolution: 3840x2160 System: WebOS Model year: 2026

Last updated:
8/19/2026 07:20 AM

This review is an English translation of the Polish original. Read the original on Wybierz.tv.

LG's C series has for years been one of the most popular choices for people looking for a good OLED without stepping up to flagship prices. It usually offers most of the key features, very good gaming capabilities, and higher brightness than the entry-level B series. In 2026 the situation has become a bit more interesting, because not every LG C6 is the same. The 77- and 83-inch variants labeled Hyper (known as the C6H in the U.S.) received an improved Tandem OLED panel, very similar to the one LG used last year in its flagship G5 series. On paper that suggests higher brightness and greater picture capabilities than the smaller C6 versions, so we decided this variant deserved its own review. The only question is whether in practice it is really that close to last year's flagship and whether it's worth paying extra for the C6H.

Review LG OLED C6H (TANDEM OLED) TV features

LG C6H - Our verdict

8.4

Overall rating

The C6H is an even more interesting TV, because the use of a Tandem OLED panel has pushed the C series into territory until now reserved for much pricier models. We still get all the advantages of the regular C6, but the panel's capabilities are on a completely different level. HDR shows this best. In many scenes we measured around 2000 nits, and at times even 2300 nits, results previously seen only in flagship TV lineups. Add a wider BT.2020 gamut and, above all, much stronger colors at high brightness. In that respect it's hard to call this a typical mid-range OLED. What's more, the rest of the TV doesn't lag behind the panel. We get excellent image processing, 165 Hz, a full set of gaming features, and a convenient webOS with the Magic remote. If we judged the C6H solely by its capabilities and specs, it could easily be placed alongside much more expensive top-of-the-line TVs. Unfortunately the whole charm fades a bit when evening comes and you want to watch a movie on it. In near-black areas our C6H unit showed pronounced dithering and annoying image flicker. It was most evident in difficult, very dark scenes, and it's the kind of flaw that's hard to ignore in an OLED TV. After all, we buy such a panel partly to enjoy perfect blacks during evening viewing. It's all the more disappointing because otherwise the C6H is a truly outstanding TV. Everything indicates this is not a limitation of the panel itself, but a software issue, similar to the one we also observed in the LG G6. So we hope LG will fix it with an update, as it has done in other markets. As of today this one issue keeps us from fully recommending the C6H. Until LG fixes it, the safer choice is the regular C6 or a competing OLED that doesn't struggle with this near-black behavior. If, however, an update actually resolves the problem, the C6 with Tandem technology will immediately become one of the most interesting OLEDs of 2026.

Advantages

  • Amazing brightness, over 2000 nits in HDR

  • Perfect black and OLED contrast

  • Excellent picture quality for HDR movies with Dolby Vision

  • Very good image processing and upscaling

  • 165 Hz panel and virtually zero motion blur

  • Great package for gamers: VRR, G-Sync, HGiG, Dolby Vision Gaming

  • Very low input lag, about 5 ms at 120 Hz

  • Wider color gamut than other WOLED screens, 99% DCI-P3 and about 83% BT.2020

  • Intuitive, modern webOS system

  • Convenient control using the Magic Remote with a gyroscope

Disadvantages

No like
  • Pronounced dithering and flicker in near-black areas

  • Different remote versions depending on the C6 variant; before buying it's hard to know which Magic Remote will be included

  • Average reflection suppression; in a very bright living room strong reflections may be visible

  • No DTS:X support; for that format you'll need an external AV receiver or player

  • Movies and series in UHD quality

    8.4

  • Classic TV, YouTube

    8.6

  • Sports broadcasts (TV and apps)

    8.6

  • Gaming on console

    9.5

  • TV as a computer monitor

    8.6

  • Watching in bright light

    7.6

  • Utility functions

    8.4

  • Apps

    9.1

  • Sound quality

    7.0

LG C6H - Competing TVs in this price range

Hisense UR8S 75”

Go to review

Sony BRAVIA 7 II 75”

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XIAOMI S Mini 2026 (55"-75") 60Hz 75”

Go to review

LG OLED B6 77”

Go to review

LG MRGB85B 75”

Go to review

TCL RM7L 75”

Go to review

Samsung OLED S95H (S99H) (QD-OLED) 77”

Go to review

Samsung QN80H 75”

Go to review

Hisense UR9S 75”

Go to review

LG C6H - TV appearance

HDMI inputs: 0 x HDMI 2.0, 4 x HDMI 2.1 (48Gbps) Other inputs: IR (remote) Outputs: Toslink (Optical audio), eARC (HDMI), ARC (HDMI) Network Interfaces: Wi-Fi 2.4GHz, Wi-Fi 5GHz, Ethernet (LAN) 100Mbps

Build quality: Premium

Stand type: Central

Bezel color: Silver

Review LG OLED C6H (TANDEM OLED) Appearance of the TV Review LG OLED C6H (TANDEM OLED) Appearance of the TV Review LG OLED C6H (TANDEM OLED) Appearance of the TV Review LG OLED C6H (TANDEM OLED) Appearance of the TV Review LG OLED C6H (TANDEM OLED) Appearance of the TV Review LG OLED C6H (TANDEM OLED) Appearance of the TV Review LG OLED C6H (TANDEM OLED) Appearance of the TV Review LG OLED C6H (TANDEM OLED) Appearance of the TV Review LG OLED C6H (TANDEM OLED) Appearance of the TV

Stand: Fixed

Flat design: No

Accessories: Stand

As for appearance, the larger C6 with a Tandem OLED panel doesn't bring any major surprises. LG has stuck with essentially the same C series design for several generations, and that's hard to call a drawback. The TV still looks very good, with very narrow bezels and a metal trim around the screen. Its color may vary slightly depending on the specific variant and distribution. As is typical for an OLED, the top of the screen is very slim. Below it, however, there is a significantly thicker section housing the electronics, so the C6 does not sit as flush against the wall as, for example, the G series. On the back we again find LG's characteristic plastic finish with a stone- or marble-like texture. Its shade may also be slightly different depending on the particular unit's marking.

The TV sits on a central stand made of a combination of metal and plastic. It looks elegant, is stable and doesn't require a wide piece of furniture, which is particularly important for the large variant we tested. It's just a pity that LG still hasn't handled cable management better. There are no proper covers or channels to route cables, so after connecting several devices the cables can be visible at the side of the TV. In summary, using the Tandem OLED panel hasn't changed the C6's construction itself. From the outside it's still the familiar C series design: simple, slim and very well made.

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LG C6H - Contrast and black detail

10/10

Review LG OLED C6H (TANDEM OLED) Contrast and black detail

Result

:1

Review LG OLED C6H (TANDEM OLED) Contrast and black detail

Result

:1

Review LG OLED C6H (TANDEM OLED) Contrast and black detail

Result

:1

Review LG OLED C6H (TANDEM OLED) Contrast and black detail

Result

:1

Review LG OLED C6H (TANDEM OLED) Contrast and black detail

Result

:1

Visibility of details in the lights:
Review LG OLED C6H (TANDEM OLED) Visibility of details in the lights

The Tandem OLED panel gives the C6 noticeably greater capabilities in several image areas, but when it comes to black nothing needed to change. As with every OLED, individual pixels can be completely switched off, which provides perfect black and practically infinite contrast. So it doesn't matter whether bright text on a black background, tiny stars, or small light sources appear on the screen. You won't see the halo typical of LCDs around them, and transitions between bright and dark areas are very precise. In terms of black itself, the Tandem OLED version has no advantage over the regular C6, because both panels can switch pixels off with single-pixel precision. Differences between them only appear in brightness and color. However, if we look solely at contrast and black level, both variants offer the same reference level.

NOTE: In the helicopter scene from Sicario 2 we noticed graininess and flickering in the darkest parts of the image. This looks like a software bug that LG should fix with an update. The effect is even more noticeable in the Tandem OLED version, and we observed similar behavior in the flagship LG G6 as well.

Halo effect and black detail visibility:

LG C6H - HDR effect quality

8.8/10

Supported formats: HDR10, Dolby Vision, Dolby Vision IQ, HLG

Luminance measurements in HDR:

Review LG OLED C6H (TANDEM OLED) Brightness measurement

Result

2133 nit

Review LG OLED C6H (TANDEM OLED) Brightness measurement

Result

1900 nit

Review LG OLED C6H (TANDEM OLED) Brightness measurement

Result

2300 nit

Review LG OLED C6H (TANDEM OLED) Brightness measurement

Result

1964 nit

Review LG OLED C6H (TANDEM OLED) Brightness measurement

Result

1648 nit

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.

BT.2020 color gamut coverage and primary color luminance

Data set BT.2020 P3 R G B
Synthetic patterns 82.6% 99.3% 59% 65% 74%
Film measurements 82.2% 99.2% 82% 85% 87%

BT.2020 and P3 – average color gamut coverage (percent of the target gamut).

R, G, B – average primary color luminance relative to target (percent).

Scene from the movie “Pan” (about 2800 nits)

Review LG OLED C6H (TANDEM OLED) section HDR effect quality, scene “Pan”

Scene from the movie “Billy Lynn” (about 1100 nits)

Review LG OLED C6H (TANDEM OLED) section HDR effect quality, scene “Billy Lynn”
The photos show two HDR10 movies. 'Pan' is one of the brightest productions ever made, while 'Billy Lynn' (soldier) has brightness typical of streaming (Netflix, Prime, HBO MAX). Notice the intensity of effects and detail in whites.

With the C6H the situation is a bit different, because the additional capabilities of the Tandem OLED panel become most noticeable only in truly demanding material. In most HDR movies and series the difference compared with the regular C6 won't be large. If the content was mastered to around 1000 nits, both TVs already have enough brightness to reproduce it with virtually no major compromises. C6H's advantage becomes apparent with more demanding films, such as Pan. Here the much higher brightness of the Tandem OLED panel lets bright light sources be shown with greater intensity, and the overall image simply has more punch. C6H less often has to resort to tone mapping, because it can display a much larger portion of the information encoded in the source material directly.

An even bigger difference is visible in very bright scenes that cover a large portion of the screen. This is exactly where regular OLEDs usually cut back on brightness the most, while the C6H can retain much more. In those moments the Tandem OLED shows its biggest advantage and HDR can look truly impressive. That doesn't mean every movie on the C6H will look completely different from the regular C6. For most content both will do very well. Only the most demanding scenes reveal what you're really paying extra for with the Tandem OLED panel.

HDR luminance chart:

In the version with a Tandem OLED panel the situation looks very similar. The LG C6 supports all the main HDR formats, namely HDR10, HLG, and Dolby Vision. It doesn't support HDR10+, but with Dolby Vision present it's hard to call that a big loss. Dolby Vision itself performs very well and with more demanding content can show an advantage over standard HDR10. In our test scene you can mainly see more information in the brightest parts of the image, with snow and bright backgrounds showing more detail and not blending into a uniform white as much. In the case of the C6 with Tandem OLED the difference isn't huge, though, because the panel already has enough brightness to handle such scenes very well even in HDR10.

Static HDR10

Review LG OLED C6H (TANDEM OLED) section HDR effect quality, Static HDR10

Dynamic: Dolby Vision

Review LG OLED C6H (TANDEM OLED) section HDR effect quality, Dynamic: Dolby Vision
The photos present the visibility of white details in various HDR formats. They do not show brightness differences between TVs (these can be compared in the previous gallery).

Factory color reproduction

7.8/10

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.

Color reproduction after calibration

9.1/10

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.

Review LG OLED C6H (TANDEM OLED) section Colors after calibration
Review LG OLED C6H (TANDEM OLED) section Colors after calibration
The photos show how movies look on the TV. Pay attention to black detail visibility, colors, and shadow tint.

LG C6H - Smoothness of tonal transitions

5/10

In terms of tonal transitions alone, the C6H performs really well. Gradients are smooth, colors don’t break into obvious bands, and in both bright and dark scenes it’s hard to find major posterization issues. In most material the image looks very clean in this respect.

Note: The situation is much worse when it comes to dithering around black. In very dark parts of the image you can notice clear flickering and graininess, which from close viewing can be quite pronounced. The Tandem OLED panel version shows this effect noticeably more than the regular C6. That’s a shame, because the tonal transitions themselves are at a very high level. It’s precisely the behavior of the image just above black that is the main reason we can’t rate this category higher.

Review LG OLED C6H (TANDEM OLED) Smoothness of tonal transitions Review LG OLED C6H (TANDEM OLED) Smoothness of tonal transitions Review LG OLED C6H (TANDEM OLED) Smoothness of tonal transitions Review LG OLED C6H (TANDEM OLED) Smoothness of tonal transitions
Review LG OLED C6H (TANDEM OLED) Smoothness of tonal transitions
Review LG OLED C6H (TANDEM OLED) Smoothness of tonal transitions
Review LG OLED C6H (TANDEM OLED) Smoothness of tonal transitions
Review LG OLED C6H (TANDEM OLED) Smoothness of tonal transitions
These are selected scenes that show smooth tonal transitions from one color to another. If you see distinct banding, it’s the TV panel’s fault.

Image scaling and smoothness of tonal transitions

8.5/10

OK Smooth transition function

Review LG OLED C6H (TANDEM OLED) section Upscaling and digital image processing, match photo

OK Image without overscan on the SD signal

Review LG OLED C6H (TANDEM OLED) section Upscaling and digital image processing, shot with a model
The match photo shows how the TV smooths weak tonal transitions in low-quality video. The model photo shows how it handles upscaling of SD material.

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.

LG C6H - Blur and motion smoothness

8.5/10

Maximum refresh rate of the panel: 165Hz

Film motion smoothing option: Yes

Blur reduction option: Yes

BFI function 60Hz: Yes, 60Hz (image flickers)

BFI function 120Hz: No

Brightness drop with BFI: 48%

Review LG OLED C6H (TANDEM OLED) Blur and motion smoothness

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.

Blur (native resolution, maximum refresh rate):

Review LG OLED C6H (TANDEM OLED) Blur (native resolution, maximum refresh rate)
Review LG OLED C6H (TANDEM OLED) Blur (native resolution, maximum refresh rate)
Review LG OLED C6H (TANDEM OLED) Blur (native resolution, maximum refresh rate)

Blur (BFI function enabled):

Image flickers in this mode

Review LG OLED C6H (TANDEM OLED) Image flickers in this mode
Review LG OLED C6H (TANDEM OLED) Image flickers in this mode
Review LG OLED C6H (TANDEM OLED) Image flickers in this mode

Blur (4K@165Hz):

Review LG OLED C6H (TANDEM OLED) Blur
Review LG OLED C6H (TANDEM OLED) Blur
Review LG OLED C6H (TANDEM OLED) Blur

The C6H also has an OLED Motion feature that works similarly to classic BFI. Its purpose is to improve motion sharpness by blanking the image between consecutive frames. In practice, however, we don't see much reason to use it. The picture starts to flicker noticeably, brightness can drop significantly, and the actual motion improvement is small. In this case it's definitely better to stick with the standard 120/165 Hz and, if needed, fine-tune TruMotion to your preferences.

LG C6H - Console compatibility and gaming features

10/10

  • Yes ALLM: Yes
  • Yes VRR: Yes
  • Yes VRR range: 40 - 165Hz
  • Yes Dolby Vision Game Mode: Yes
  • Yes Correct implementation of HGIG: Yes
  • Yes 1080p@120Hz: Yes
  • Yes 1440p@120Hz: Yes
  • Yes 4K@120Hz: Yes
  • Yes Game bar: Yes
Review LG OLED C6H (TANDEM OLED) Console compatibility and gaming features
Review LG OLED C6H (TANDEM OLED) Console compatibility and gaming features

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.

Review LG OLED C6H (TANDEM OLED) Console compatibility and gaming features
Review LG OLED C6H (TANDEM OLED) Console compatibility and gaming features

LG C6H - Input lag

9.9/10

In terms of input lag, the C6 performs like a good gaming TV should. At 120 Hz we measured about 5 ms, so controller input is practically instantaneous. At 60 Hz the result rises to around 14 ms, but that's still a good figure. Latency is a bit higher in Dolby Vision. At 120 Hz it's about 14 ms, and at 60 Hz about 22 ms. In practice, when playing normally on an Xbox, this is unlikely to be something that would actually bother you.

SDR HDR Dolby Vision
1080p60: 14 ms 2160p60: 14 ms 2160p60 DV: 22 ms
1080p120: 5 ms 2160p120: 5 ms 2160p120 DV: 14 ms
2160p60: 14 ms
2160p120: 5 ms

LG C6H - Compatibility with PC

8.6/10

Chroma 444 (max. resolution and refresh rate): Yes

Font clarity: Good

Readability of dark text and shapes: Very Good

Input lag in PC mode (4K, max. refresh rate): 5ms

Matrix subpixel arrangement: RWBG

Max refresh rate: 165Hz

G-Sync: Yes

Review LG OLED C6H (TANDEM OLED) section Computer compatibility, font readability test

The C6H with a Tandem OLED panel also works very well as a computer screen. When working with text the most important thing is that the TV correctly supports 4:4:4 chroma subsampling, so small fonts, icons and UI elements are rendered clearly. The only thing you can notice up close are subtle color fringes caused by the unusual subpixel layout. At a normal viewing distance for such a large screen that practically stops mattering, and text is very readable day to day. The C6H is even better when the PC is used for gaming. The TV can run at up to 165 Hz, supports G-Sync and VRR, and input lag at the maximum refresh rate is about 5 ms. Combined with the very fast response time of the OLED panel, that creates excellent conditions for PC gaming. There’s no smearing, the picture is very smooth, and inputs respond virtually instantly. In that respect the C6H can easily be treated not just as a TV but also as a very large gaming monitor. Just remember that with 77- or 83-inch sizes, positioning your desk sensibly can be a real challenge. 😉

LG C6H - Viewing angles

7.3/10

Brightness drop at an angle of 45 degrees: 30%

The C6H with a Tandem OLED panel also offers very wide viewing angles. You can watch the TV well from far off to the side and the image still retains high contrast and saturated colors. As you’d expect from an OLED, it’s one of those screens where you don’t have to fight for the exact center spot on the couch. Only TVs with QD-OLED panels from Samsung Display actually perform better in this regard. The slightly lower rating for the C6H comes from our unit showing a somewhat greater tendency to shift toward a greenish tint when viewed at very extreme angles. However, that’s a subtle difference we mostly noticed during direct side-by-side comparisons. In normal viewing, most people probably won’t notice it.

LG C6H - Daytime performance

7.6/10

Review LG OLED C6H (TANDEM OLED) Daytime performance
Review LG OLED C6H (TANDEM OLED) Daytime performance

Panel finish: Glare

Reflection suppression: Decent

Black levels during daytime: Very Good

The version with the Tandem OLED panel performs noticeably better in daylight. The screen coating itself behaves very similarly, it is glossy, suppresses reflections fairly well, and maintains black levels with the lights on. A bright window or lamp will still be visible on the screen, but the picture does not lose much of its depth because of that. The biggest difference, of course, is brightness. In typical SDR content the C6H reaches about 690 nits, which is clearly more than the regular C6. In a bright living room you can really notice this — the image has more punch and cuts through the incoming light much better. Tandem OLED also handles scenes with a lot of bright elements on screen better, although brightness still drops with near-full white. So they have not completely eliminated one of the usual characteristics of OLEDs, but the limitation is much less noticeable here. If the TV will be used often in a bright living room, this is one of the C6H’s advantages over the regular C6 that you can actually feel in everyday use.

Panel brightness

LG OLED C6H (TANDEM OLED): 690 cd/m2

LG C6H - TV features

8.4/10

System: WebOS

System performance: Very good

  • HDMI inputs: 0 x HDMI 2.0, 4 x HDMI 2.1 48Gbps
  • Other inputs: IR (remote)
  • Outputs: Toslink (Optical audio), eARC (HDMI), ARC (HDMI)
  • Network Interfaces: Wi-Fi 2.4GHz, Wi-Fi 5GHz, Ethernet (LAN) 100Mbps
  • TV reception: DVB-T, DVB-T2, DVB-S, DVB-S2, DVB-C

Classic features:

  • Yes Recording to USB (terrestrial TV): Yes
  • Yes Recording programming: Yes
  • No Picture in Picture (PiP): No
  • RF RF remote control (no need to aim): RF
  • No Backlit remote control: No
  • Yes Teletext: Yes
  • Yes Audio only mode: Yes
  • Yes Bluetooth headphones support: Yes
  • Yes Simultaneous Bluetooth headphones & TV audio: Yes

Smart features:

  • Yes AirPlay: Yes
  • Yes Screen mirroring (Windows Miracast): Yes
  • Yes Voice search: Yes
  • Yes Voice search in native language: Yes
  • Yes Ability to connect a keyboard and mouse: Yes
Review LG OLED C6H (TANDEM OLED) TV features Review LG OLED C6H (TANDEM OLED) TV features Review LG OLED C6H (TANDEM OLED) TV features Review LG OLED C6H (TANDEM OLED) TV features

Smart TV: webOS

No matter which C6 version you get, the feature set stays the same. The heart of the TV is, of course, webOS, the system LG has been developing for many years. It runs fast, is well optimized, and above all offers access to virtually all popular apps. Netflix, Disney+, Prime Video, YouTube, Max and other streaming services — in this respect it's hard to find significant gaps. The system itself also provides a lot of extra options. There’s AirPlay, easy screen casting from a smartphone, smart home device control, and the ability to personalize the home screen. LG has been expanding webOS heavily for several generations, and at times the number of available tabs or recommendations can be a bit overwhelming, especially with background ads, but once you get used to it the system is convenient and, most importantly, runs smoothly.

Classic TV features

The C6 also performs very well when you want to use it like a regular TV, not just a screen for Netflix. Over-the-air TV reception, the program guide and channel switching work smoothly and there’s little to complain about. LG still offers the ability to record programs to USB, so in terms of classic features the set is really well equipped. There are really only two things missing. The first is PiP, the ability to display two video sources at the same time. The second is a backlight for the remote, which would be handy for evening viewing. Apart from that, the C6 has basically everything you’d expect from a modern TV.

Magic Remote: DIFFERENT VERSIONS

When buying the C6, it’s worth paying attention to the remote, because LG has created some confusion here. During our tests we had, among others, the C64 variant commonly found in large retail chains. The package included the new, much smaller Magic Remote Slim. It has fewer buttons and looks much more modern, but it still retains two of LG remotes’ most characteristic features: the scroll wheel and cursor control by moving the remote. The C6E we tested came with the older, larger Magic Remote. It works basically the same, but it has a traditional numeric keypad and many more physical buttons. It looks less modern, but some people, especially those used to classic remotes, may find it more convenient. So there’s no single answer as to which remote is better. The new one is smaller, simpler and more contemporary, while the older one gives faster access to a larger number of functions without navigating menus. It’s worth knowing that depending on the C6 designation, the box may contain either variant.


Sound connection options

HDMI audio:

eARC (HDMI), ARC (HDMI)

Other audio outputs:

  • Yes Toslink: Yes

Wireless audio:

  • Yes Bluetooth: Yes
  • Yes Atmos Flex Connect: Yes

Supported audio formats (external HDMI eARC audio):

  • Yes Dolby Digital Plus 7.1: Yes
  • Yes Dolby True HD 7.1: Yes
  • Yes Dolby Atmos in Dolby Digital Plus (JOC): Yes
  • Yes Dolby Atmos in Dolby True HD: Yes
  • No DTS:X in DTS-HD MA: No
  • No DTS-HD Master Audio: No

Senior accessibility

  • No Numeric keyboard on TV: No
  • No Font size adjustment: No
  • Yes Audio description: Yes

LG C6H - Apps

9.1/10

OK
Disney_Plus
OK
Amazon_Prime_Video
OK
Player_TVN
OK
Polsat_Box_Go
OK
Canal_Plus_Online
OK
TVP_VOD
OK
Apple_TV_Plus
OK
SkyShowtime
OK
Rakuten
OK
CDA_Premium_Browser
OK
Spotify
OK
Tidal
OK
Netflix
OK
YouTube
OK
HBO_MAX
No
Kodi
OK
Apple_music
No
Eleven_sports
OK
Xbox Game Pass
OK
GeForce Now!
OK
Amazon Luna
OK
Boosteroid
No
Steam Link

LG C6H - Playing files from USB

9.2/10

Review LG OLED C6H (TANDEM OLED) Playing files from USB
Maximum photo resolution:Supported photo formats:
Yes 4 Mpix
Yes JPEG
Yes 6 Mpix
Yes HEIC
Yes 8 Mpix
Yes PNG
Yes 10 Mpix
No GIF
Yes 12 Mpix
No WebP
Yes 16 Mpix
No TIFF
Yes 20 Mpix
Yes BMP
Yes 24 Mpix
No SVG
Yes 28 Mpix
Yes 32 Mpix

During our tests the TV handled virtually all the most popular video formats we put on a USB flash drive without any problems. There were no issues with high bitrates, subtitles, or more demanding files, so it's hard to fault it in that respect. The only exception was content with a DTS audio track. That's not surprising, since the TV simply doesn't support that codec. Besides, the built-in player is good enough that most users will be fine without installing third-party apps or connecting an external media player.

LG C6H - Sound

7/10

0dB

Maximum volume

Supported codecs (TV speakers)

Yes Dolby Digital Plus 7.1

No Dolby True HD 7.1

Yes Dolby Atmos in Dolby Digital Plus (JOC)

No Dolby Atmos in Dolby True HD

No DTS:X in DTS-HD MA

No DTS-HD Master Audio

Sound Quality Test:

Acoustic Measurements

-0dBC (Max)

75dBC

LG C6H - Panel details

Software version during testing: 43.11.73

Panel uniformity and thermal imaging:

Review LG OLED C6H (TANDEM OLED) section Panel details / Panel uniformity and thermography

Backlight Type: WRGB TANDEM OLED

Maciej Koper Avatar
Maciej Koper

Founder and originator of the "ChooseTV" portal

Paweł Koper Avatar
Paweł Koper

Journalist, reviewer, and columnist for the "ChooseTV" portal

Michał Wołoszyn Avatar
Michał Wołoszyn

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