Compare TCL QM8L vs LG G6

The QM8L produces a sharp, vibrant, high-impact picture that repeatedly drew flagship and OLED-adjacent comparisons. Fine detail, bright highlights, and deep dark areas give movies, sports, and games strong depth.

Across movies, sports, games, SDR, and HDR, the G6 delivers a brilliant, cinematic image with deep blacks, rich color, and strong detail. Most criticism centers on firmware-specific flaws rather than the core panel.

The TV can pass audio to a receiver or soundbar while letting the television remote manage power and volume, simplifying daily use.

DTS passthrough over eARC is missing, forcing disc users to route compatible players directly through an external audio system.

Deep blacks and strong local dimming make nighttime viewing impressive, though OLED still offers cleaner precision in the hardest near-black scenes.

Inky blacks, precise highlights, and cinematic depth make the G6 superb for lights-off movie viewing.

Accuracy varies noticeably by mode and unit. Movie or Filmmaker settings can look natural and calibrate beautifully, while Standard and some HDR settings may run overly bright, cool, or saturated.

Color is usually natural, vivid, and highly accurate out of the box, particularly in Filmmaker Mode. Some samples showed green tint, warm magenta, or firmware-related saturation errors.

Built-in audio is fuller and more capable than typical flat-panel sound, with clear mids and enough presence for everyday viewing. Movie enthusiasts will still gain scale and impact from an external system.

Built-in sound is fuller and bassier than the G5 and adequate for everyday TV, but it falls well short of the picture quality and usually deserves a soundbar.

Grayscale and bright whites are serviceable but not flawless out of the box, with the brightest tones showing the most visible deviation.

Most modes are well balanced after proper setup, but some samples show green, pink, or warm magenta tint, especially off-axis or in selected scenes.

Movie mode can deliver a bright, accurate image straight from the factory, making the TV easy to enjoy without extensive adjustment.

Filmmaker Mode can look natural and reference-like, especially after firmware fixes. Sample-to-sample tint and changing HDR tracking caused some inconsistent early results.

HDR highlights reach extraordinary levels, producing brilliant sparks, sunlight, reflections, and explosions. The panel has enough headroom to make premium HDR content look genuinely dramatic.

Small highlights are intensely bright and full-screen HDR output is substantially stronger than before. Some firmware versions undertracked real scenes despite excellent test-pattern results.

Compression cleanup works well on older or lower-quality sources, reducing noise while preserving a natural film-like texture.

Dithering and dark-scene noise are greatly reduced, and DVD grain is usually preserved. Compressed HDR can still reveal flicker or temporal noise.

The dense local-dimming system controls bright and dark zones with impressive precision. Its backlight management is among the strongest available outside much costlier flagship models.

Per-pixel OLED dimming precisely separates stars and highlights from black backgrounds without blooming.

HDR is spectacularly punchy, combining intense highlights, deep blacks, rich color, and strong detail. Dolby Vision material is particularly impressive when the appropriate picture mode is selected.

The combination of bright highlights, deep blacks, broad color, and fine detail creates spectacular HDR. Firmware and Dolby Vision inconsistencies prevent completely uniform results.

The QM8L offers vivid HDR, low lag, multiple full-bandwidth ports, and high refresh rates for an excellent mainstream gaming experience. Competitive players may be bothered by its slower motion response.

Fast response, extremely low input lag, four full-bandwidth HDMI ports, and rich HDR make the G6 an elite gaming TV across consoles and PCs.

Virtual spatial processing adds a noticeable sense of height and width. It is effective for casual immersion but does not replace a real surround setup.

Audio can spread beyond the screen with decent directionality, yet it often remains contained and lacks the scale of stronger built-in systems.

The TV can hold very high brightness for real viewing rather than only producing brief test-pattern spikes. Performance may settle below its initial peak, but remains exceptionally strong.

Full-screen HDR brightness around the mid-400-nit range is a meaningful OLED upgrade, improving sports, bright scenes, and room-light performance.

Powerful light output and precise dimming create striking contrast, giving HDR scenes strong depth and punch without routinely washing out surrounding shadows.

Perfect OLED blacks beside intense highlights create exceptional depth and punch. This remains a standout advantage in both dark and bright rooms.

This TV excels in bright rooms, maintaining color, contrast, and visibility even with blinds open. Sports and daytime HDR are standout use cases.

High full-screen brightness and excellent anti-reflection treatment make this one of the strongest OLEDs for bright living rooms without sacrificing deep blacks.

Extreme brightness is the QM8L’s defining strength, with measured peaks among the highest in its class. Highlights pop intensely and the screen remains commanding in bright rooms.

The G6 reaches exceptional OLED peaks, often around 2500–3100 nits and higher in tiny highlights. Measurements vary by mode and firmware, but brightness is a major strength.

Rear woofers add useful mid-bass and more weight than most televisions. They cannot reproduce true subwoofer depth, so cinematic low-end still requires an add-on.

AI Sound Pro adds noticeably more bass punch and warmth than the G5. The low end can still turn soft, tubby, or underpowered in demanding movie soundtracks.

TCL’s SQD Mini-LED system meaningfully improves color richness and overall picture quality, bringing premium panel performance to a less expensive tier.

The tandem OLED implementation delivers the cinematic blacks, depth, and color that make OLED especially compelling for movies.

Motion is the most divisive area. Many found sports, movies, and casual gaming smooth, while stricter testing exposed blur and weaker performance with fast-moving content.

Fast sports and movie movement is generally excellent. Default processing can look heavy-handed, but better-tuned modes restore natural motion.

Input lag is consistently very low, typically around one frame or less. Controls feel immediate on consoles and PCs.

Measured latency is consistently extremely low, often below one frame and dropping further at 120Hz or 165Hz.

There is no G-SYNC support, a clear limitation for PC gamers invested in Nvidia’s ecosystem.

Nvidia G-Sync compatibility combines with high refresh rates and low latency for excellent PC gaming.

Pixel response is relatively slow for a premium gaming display, producing more blur than OLEDs and stronger gaming-focused competitors.

OLED pixel response is nearly instantaneous, producing crisp motion and exceptionally responsive gaming.

Slow pixel transitions can create obvious blur around fast-moving game objects, making tracking targets harder for demanding players.

Sports and games look smooth, responsive, and largely free of ghosting or obvious artifacts.

Dialogue and midrange stayed clean without obvious distortion, even when the built-in speakers were asked to sound full.

Pushing the volume introduces slight distortion, and action scenes can sound sluggish rather than clean and forceful.

The glossy screen visibly reflects windows and direct lights. Extreme brightness helps overcome ambient light, but it cannot erase mirror-like reflections in dark scenes.

Reflections are greatly reduced without using a matte finish, so the screen keeps glossy depth and strong black retention. A faint magenta tint can appear in reflected light.

Conversational search handles follow-up questions well and makes finding content easier than traditional title-by-title browsing.

AI Search can be convenient for simple requests, but broader queries may return slow, inaccurate, or irrelevant results.

Google TV’s recommendation rows are present but generally feel relevant and unobtrusive rather than overwhelming the home screen.

Large banner ads occupy a substantial portion of the webOS home screen. Some promotions can be disabled, but the space cannot be removed entirely.

The backlit silver remote is comfortable, substantial, and unusually useful. Dedicated controls make it one of the most consistently praised accessories.

The Magic Remote’s pointer can be genuinely useful, but many versions feel light, plasticky, and unworthy of an expensive flagship.

Low-frame-rate movies can look choppy until the judder controls are adjusted. Moderate settings help, but aggressive smoothing may introduce skipped frames or unnatural motion.

Cinematic Movement controls panning judder effectively without strongly exaggerating the soap-opera effect, though some smoothing is needed.

Side-mounted brightness and picture-mode controls save repeated menu trips, while dedicated input and shortcut buttons remain easy to find.

The revised layout is cleaner for some users, yet missing backlighting, charging, and a straightforward source button keeps it from feeling fully premium.

Google TV surfaces relevant titles effectively and keeps recommendations useful rather than burying apps behind clutter.

AI Concierge can surface useful suggestions, but several tests found the recommendations too limited or unremarkable to become a regular feature.

The newer processing reduces stutter even with motion smoothing disabled, making ordinary playback feel more natural than on the previous generation.

Near-instant OLED response makes 24p stutter visible, especially on larger screens; light TruMotion can smooth it at the risk of some soap-opera effect.

Bright output makes the picture easy to see in daylight, yet coating performance varies by comparison. Rooms with windows directly opposite the screen may still need curtains.

The glossy anti-reflection coating suppresses glare extremely well while preserving image depth, contrast, and saturated color.

Even 720p material can look surprisingly good, with useful cleanup and detail enhancement that makes older content more watchable on a large 4K screen.

Good DVDs and HD sources can look crisp and detailed, but heavily compressed broadcasts expose ringing, artifacts, and inconsistent processing.

Detail enhancement is subtle and effective rather than harsh. The processor adds texture and clarity while generally avoiding an overly processed appearance.

The Alpha 11 Gen 3 processor improves gradation, clarity, and detail, but low-quality sources can trigger ringing or aggressive smoothing that erases fine texture.

Conversational voice control can make content, settings, and general information easier to reach for users who benefit from hands-free interaction.

Accessibility options are extensive and easy to reach, while eye-care features can reduce fatigue during long viewing sessions.

Built-in channels and removable covers hide wiring neatly through the stand and rear panel.

Rear channels and clips can keep wiring tidy, but the permanently attached power cord and cable-length requirements complicate concealed installations.

VRR generally keeps gameplay fluid, but isolated flicker was observed in at least one demanding title. Most compatible games should still benefit.

FreeSync, G-Sync, and HDMI VRR work smoothly up to very high frame rates, with only the usual OLED flicker possible in some static game scenes.

The centered stand is practical and secure, but its plastic construction and deep footprint drew criticism at this price.

The sturdy, height-adjustable pedestal works well with soundbars where included. Several wall-mount variants omit a stand entirely, creating extra cost for tabletop users.

Side-facing connections remain accessible after mounting, making wall installations less frustrating.

The flat Gallery chassis and included zero-gap or slim mounts create an especially clean, picture-like wall installation.

Dialogue remains clear, weighted, and easy to follow, avoiding the thin presentation common to many TV speakers.

Speech is generally clear, natural, and separated from background effects, though the warmer tuning can make some male voices sound slightly bass-heavy.

White-balance controls and picture adjustments allow the QM8L to reach excellent measured accuracy after calibration.

Filmmaker Mode and Calman support can deliver reference-grade accuracy with extensive adjustment. One firmware version’s broken HDR color controls created a notable exception.

The center of the screen is generally smooth and consistent. Mild edge vignetting can appear, but broad dark areas usually remain uniform.

Uniformity is very good overall, with clean gray fields and strong sports performance. One sample showed minor edge tint and faint dark vertical streaks.

Blooming is usually subtle or nearly invisible in ordinary viewing, including around subtitles and bright objects. Torture tests and a few difficult dark scenes can still expose faint halos.

Per-pixel OLED lighting eliminates the halos and bloom associated with backlit TVs, preserving clean high-contrast edges.

Dark-scene detail is generally strong, with textures and contours remaining visible near black. A few sources found patchiness, flicker, or lost detail in especially difficult scenes.

Dark-scene texture is often excellent and preserved without raising blacks. A few firmware versions and challenging scenes showed mild crush or required a small Near Black adjustment.

Dirty-screen effect was minimal in sports and test patterns, with only small variations that should not distract in normal viewing.

The tested panel showed no visible dirty-screen effect on full-field gray slides.

Low-power settings can reduce electricity use without making startup noticeably bothersome, and eco controls are available within normal picture modes.

The second-generation tandem panel improves efficiency while also increasing brightness and color performance.

Off-axis performance is better than many VA-panel TVs and remains solid across a typical sofa. Color and contrast still fade at sharper angles, so centered seating remains best.

Off-axis viewing is generally excellent, though extreme seats can reveal a green or pink shift on white objects.

High-refresh play looks smooth and responsive, giving modern consoles and gaming PCs room to run at their supported frame rates.

PC gaming reaches up to 165Hz, while consoles are exceptionally well served at 120Hz. The maximum 165Hz mode can trade some gradation and chroma quality for speed.

Demanding dark and color-rich scenes showed little obvious banding, helping gradients remain smooth and natural.

The new processing pipeline produces exceptionally smooth HDR10 gradients and greatly reduces the G5’s banding. Very dark compressed material and some Dolby Vision scenes can still expose artifacts.

Game mode preserves much of the TV’s punchy picture while reducing latency, so speed does not require a severe loss in image quality.

Game Optimizer is feature-rich and responsive, but firmware-dependent HGiG, color, and high-refresh accuracy issues keep it from being flawless.

Black levels are unusually deep for an LCD TV, often approaching OLED-like darkness in normal scenes. Dark backgrounds stay convincing while preserving bright highlights.

Blacks are consistently deep, rich, and precise, even with room lights on. A few tests found mild black crush in the darkest HDR scenes.

The Game Bar provides useful live information and quick controls for refresh rate, VRR, shadow enhancement, and other game-specific settings.

Game Optimizer provides quick, customizable access to frame rate, VRR status, genre presets, black level, HGiG, and latency controls.

Low interpolation settings can smooth motion without immediately creating a soap-opera effect. Pushing the controls higher introduces more artificial-looking movement and artifacts.

Cinematic Movement can add useful smoothness without obvious artifacts, while stronger settings may hesitate or create an artificial look.

Color transitions remain smooth in difficult scenes, avoiding the stepped or blocky look that often appears on lesser displays.

Complex color transitions are exceptionally smooth and among the best seen on OLED. Only heavily compressed or Dolby Vision material occasionally reveals residual issues.

SQD color is a major attraction, delivering exceptionally rich, bright hues without usually looking cartoonish. The expanded color remains vivid even as luminance climbs.

Rich, bright color is one of the G6’s defining strengths, with bold highlights retaining impressive saturation and realism.

Older HD and cable sources look cleaner, sharper, and more detailed than expected without excessive artificial sharpening. TCL’s processing now approaches the better upscalers in the category.

DVD and HD material often gains crisp texture and careful detail, especially from cleaner sources. The weakest compressed broadcasts can still expose overprocessing.

Wide-gamut coverage approaches premium RGB LED and OLED competitors, with especially strong P3 performance. Claims of complete BT.2020 coverage were not consistently matched in measurements.

The panel covers virtually all DCI-P3 and a strong portion of Rec.2020, producing broad HDR color. A few comparisons found slightly less high-brightness coverage than rival QD-OLEDs.

Having four full-bandwidth HDMI 2.1 inputs removes the usual need to choose which devices receive premium gaming features.

All four HDMI ports support modern high-bandwidth gaming, avoiding the two-port limitation found on many rivals.

The expanded four-port layout is especially useful for households with several consoles, a PC, and an external audio system.

Four capable HDMI inputs provide ample room for consoles, PCs, and external media devices.

The native high refresh rate makes fast gameplay feel smooth and responsive, particularly with compatible consoles and PCs.

The native 120Hz panel extends to 165Hz with compatible PCs, providing excellent flexibility for gaming.

Phone and tablet mirroring is easy to start, with broad Apple and Google casting support built into the television.

Classic screen mirroring joins AirPlay and Chromecast for flexible wireless display sharing.

The central pedestal holds large panels securely and feels more balanced than many wide-foot designs.

The heavy metal pedestal is consistently described as reassuringly sturdy.

A centered pedestal allows the television to fit on furniture much narrower than the screen and leaves flexible room for soundbar placement.

A skinny, flat base leaves room for a soundbar without dominating the furniture.

Most long-term and first-impression testing was smooth and bug-free. One extended test found occasional brief wireless-audio dropouts, so accessory stability is not flawless.

The hardware is widely regarded as excellent, but launch firmware varied across units and introduced inconsistent HDR, Dolby Vision, and processing behavior. Later updates fixed many of those problems.

Atmos compatibility is present, but the lack of built-in up-firing speakers was viewed as a step backward for buyers hoping for convincing overhead effects without accessories.

Dolby Atmos FlexConnect is a promising way to add wireless surround speakers and use the TV within a larger audio system.

Performance often approaches much more expensive flagships, making the QM8L a compelling premium value. Its launch price is still steep, and discounted previous-generation TCL models can be the smarter purchase until prices fall.

Performance is genuinely flagship-level, but launch pricing is difficult to justify while the discounted G5 and cheaper C6/C6H deliver much of the experience.

Dolby Vision looks excellent, and the Light mode was repeatedly favored for balancing brightness, color, and facial detail.

Dolby Vision can look excellent and improved substantially after firmware updates, but early units showed serious near-black artifacts. Dolby Vision 2 is also absent.

All four premium inputs can handle 4K/144Hz, making the TV unusually flexible for multiple consoles and PCs. One source wished the ceiling reached 165Hz.

HDR gaming can run at 4K/144Hz on compatible hardware, giving high-end PC players plenty of headroom.

Current consoles can run compatible games at 4K/120Hz smoothly, with low latency and strong HDR presentation.

Console gaming is exceptionally well covered at 4K/120Hz, including Dolby Vision on compatible systems. Image fidelity is generally strongest at 120Hz rather than pushing the optional 165Hz mode.

The ATSC 3.0 tuner and separate antenna guide make local channels convenient to browse alongside streaming content.

Traditional TV functions include useful recording and time-shifting, but the US tuner remains ATSC 1.0 rather than the newer ATSC 3.0 standard.

Physical assembly is generally simple and the stand goes together easily. Google TV setup was smooth for most, although one tester encountered repeated account and network-transfer failures.

Stand or wall-mount installation is generally straightforward, although one 5GHz Wi-Fi issue made initial software setup painfully slow.

Games retain crisp native 4K detail while benefiting from the panel’s bright HDR and strong contrast.

Four capable HDMI inputs and a broad gaming feature set make the G6 a first-rate 4K gaming display.

AirPlay 2 makes sending content from iPhones, iPads, and Macs quick and uncomplicated.

Apple AirPlay 2 works alongside Google Cast to make wireless sharing flexible across device ecosystems.

Casting from phones and tablets is straightforward across both Google and Apple devices.

Built-in Google Cast and AirPlay provide broad, convenient wireless sharing.

Built-in Chromecast provides easy local streaming from Android devices and compatible apps.

Google Cast is built in and works as part of a versatile wireless streaming setup.

The dedicated eARC connection was strongly welcomed for straightforward soundbar or receiver integration.

eARC is available for connecting a soundbar or receiver, though it cannot pass DTS.

FreeSync Premium Pro adds a strong adaptive-sync option for compatible PCs and consoles.

AMD FreeSync support is consistently praised as part of the G6’s complete adaptive-sync package.

Full HDMI 2.1 capability supports modern high-bandwidth gaming features without restricting them to a single premium input.

Full-bandwidth HDMI 2.1 across every input supports the G6’s comprehensive gaming feature set.

Large-screen buyers have strong choices up to 98 inches, but the lack of smaller North American sizes limits the line for compact rooms.

The tandem panel reaches up to 83 inches, giving big-screen buyers access to the flagship picture technology.

The television generally looks and feels premium, though plastic elements—especially the stand on some sizes—keep it from matching the heft of costlier flagships.

The metal frame and substantial construction feel reassuringly sturdy and appropriately premium.

The nearly borderless face and restrained metallic finish create a clean premium look. The thicker rear profile is less elegant than ultra-slim flagships but unobtrusive from the front.

The slim, understated Gallery design looks premium and especially elegant when flush-mounted. Its familiar appearance has changed little, which some consider overdue for a refresh.

The almost frame-free edges make the picture feel expansive and close to floating in the room.

The almost borderless screen creates a clean, floating-picture effect that suits the Gallery design.

Voice interaction feels natural and responsive, but answers and streaming destinations are not always reliable. It is useful, though not dependable enough to replace manual search.

Voice ID and queries have potential, but slow responses, limited language support, and inconsistent usefulness weaken the experience.

Wi-Fi 6 is a welcome upgrade intended to keep streaming and interface behavior responsive on a capable home network.

Wireless results vary by region and unit: Wi-Fi 6E is welcome where included, while Wi-Fi 5 and a reported 5GHz setup failure feel like regressions.

Google Home and Apple HomeKit support broaden the TV’s role as a household hub, including access to compatible cameras and devices.

Matter support and compatibility with Thread, Zigbee, Homey, and connected devices make the G6 a capable smart-home hub.

Tone mapping can deviate substantially from reference targets, with midtones and highlights sometimes rendered too bright. Lower peak-brightness settings improve tracking but sacrifice some impact.

Dynamic tone mapping can reveal shadows and add punch, but several tests found it overbrightened, washed out, or reduced highlight and color nuance. Accuracy is usually best with it disabled.

Popular apps launch quickly and reach playback without lengthy waits.

The ThinQ app works well as a quick remote, and external streaming devices perform smoothly with the TV.

Google TV can collect substantial account and usage data unless settings are adjusted. Location, advertising identifiers, app permissions, and the microphone deserve a privacy review during setup.

Opening streaming apps can require consent to transmit data outside the European Economic Area, which privacy-conscious users may dislike.

Menus, scrolling, and app launches are consistently quick, with little lag or hesitation during normal use.

webOS feels swift and snappy in most use, with only occasional hesitation in deeper settings.

Quick settings make common adjustments easy without leaving the program. A few deeper settings add extra steps, but general navigation is responsive.

webOS is usually intuitive and quick, especially with the pointer remote, though occasional settings-menu sluggishness remains.

Google TV is attractive, familiar, and effective at bringing apps and content together. It runs smoothly enough that most owners will not need a separate streamer.

webOS 26 remains a fast, customizable, app-rich platform with useful Quick Cards and settings. Ads, account requirements, and uneven AI features are its main drawbacks.

Gemini is unusually capable for a TV assistant, handling conversational follow-ups, general questions, smart-home tasks, and content discovery.

Voice control and AI search offer broad device and content commands, and some consider LG’s assistant among the best for TV control.

Major streaming services are well covered, giving the built-in platform nearly everything most households need.

webOS offers an excellent app catalog covering major streaming services plus niche platforms such as Crunchyroll and Hidive.

The available streaming lineup is broad and easy to access, supporting everyday viewing without extra hardware.

Major and niche streaming services are widely available and work correctly once the required LG account is active.

Streaming apps being locked behind an LG account is one of webOS 26’s most disliked changes, with added concern over required data consent.

Connected local stations are easy to access and organize through the dedicated antenna interface.

ALLM is part of the G6’s complete gaming toolkit and helps consoles switch into responsive play automatically.

AI Sound Pro can produce sufficient or improved loudness, yet other tests found the speakers too quiet until pushed near their upper range.

The four-stack tandem OLED panel combines premium blacks, high brightness, and richly realistic color.

The RGWB subpixel arrangement makes desktop text noticeably clearer, with less fringing and blur than the G5.

Pointer controls, the scroll wheel, and navigation pad make webOS fast to operate, although some buttons require excessive pressure.

Native 4K presentation keeps compatible games crisp and detailed, especially when paired with the TV’s strong HDR contrast.

There are three USB ports, but limiting all of them to slow USB 2.0 is disappointing on a flagship.

VRR remains smooth and tear-free up to 4K HDR 165Hz, giving PCs a very wide operating range.

Ultra-low-latency Bluetooth controller support strengthens the G6’s cloud-gaming credentials.

Firmware has already corrected major HDR and Dolby Vision problems, and LG promises years of webOS updates. The messy launch showed how dependent performance can be on software version.

GeForce Now can reach 4K/120Hz, and the portal includes several major cloud services. Low-latency controller support makes the feature unusually capable for a TV.

DTS decoding and passthrough are completely absent, a recurring drawback for Blu-ray collections and external audio setups.

HDR10+ remains unsupported, leaving Dolby Vision, HDR10, and HLG as the main formats.

Broad HDR compatibility helps the QM8L display richly graded content across major formats rather than forcing buyers into a single ecosystem.

A five-year panel warranty on G6 models adds valuable protection beyond LG’s standard one-year coverage.