TVs / LG QNED84B (100-inch) vs TCL QM6K
LG QNED84B (100-inch) vs TCL QM6K
TCL QM6K
TCL's budget QD-Mini LED — carried over from 2025 as its entry Mini LED option for 2026.
Wins overall by 0.1 points
Quick Verdict
This is close. The TCL QM6K edges ahead by 0.1 points, but that margin is inside the noise — the LG QNED84B (100-inch) is a defensible pick on its own terms. LG's 100" mid-flagship QNED — the QNED90's processor at cinematic scale.
The LG QNED84B (100-inch) and TCL QM6K are both closely matched TV models, and the TCL QM6K is $3,470 cheaper than the LG QNED84B (100-inch) ($529.99 vs $3,999.99). On Value, the TCL QM6K leads (9.0 vs 6.5/10) — performance and features relative to price. On Smart Platform, the LG QNED84B (100-inch) leads (8.8 vs 8.0/10) — OS responsiveness, app ecosystem, and voice assistant support. On Design & Build, the LG QNED84B (100-inch) leads (8.0 vs 7.3/10) — panel thinness, bezels, stand/mount options, and finish. Overall, the TCL QM6K scores 7.9/10 across our 8 scoring categories versus 7.8/10 for the LG QNED84B (100-inch), though the gap is close enough that your specific use case should decide it. Below, we break down the full spec sheet, category-by-category scores, and exactly who should buy which one.
Side-by-Side Comparison
| Spec | LG QNED84B (100-inch) | TCL QM6K |
|---|---|---|
| Price | $3999.99 | $529.99 |
| Release Year | 2026 | 2025 |
| Screen Size (in) | 100 | 65 |
| Panel Type | QNED evo Mini LED | QD-Mini LED (Halo Control System, LD500 Precise Dimming) |
| Resolution | 3840x2160 (4K UHD) | 3840x2160 (4K UHD) |
| Peak Brightness (nits) | Not independently confirmed | 3000 |
| Refresh Rate (Hz) | Not independently confirmed (165Hz VRR and 330Hz Motion Booster are QNED90-exclusive per LG) | 144 |
| Processor | Alpha 8 AI Processor Gen 3 | AIPQ Processor PRO |
| HDMI 2.1 Ports (ports) | Not independently confirmed | Not independently confirmed |
| HDR Formats | Dolby Vision, HDR10, HLG | Dolby Vision IQ, HDR10+, HDR10, HLG |
| Smart Platform | webOS 26 | Google TV |
| Variable Refresh Rate (VRR) | Yes | Yes |
| Built-in Audio System | Not officially specified | Onkyo-tuned speaker system |
| Built-in Dolby Atmos | Yes | Yes |
| Warranty | 12 months | 12 months |
| Colors | Black | Black |
Category Scores
Picture Quality
The LG QNED84B (100-inch) is marginally ahead, 8.2 to 7.8. A gap this small rarely decides a purchase on its own, though it counts if panel technology, contrast, and color accuracy is your priority.
Brightness & HDR
The TCL QM6K is marginally ahead, 8.2 to 8.0. A gap this small rarely decides a purchase on its own, though it counts if peak nits and HDR format support for highlight detail is your priority.
Gaming Features
The TCL QM6K is marginally ahead, 8.4 to 8.2. A gap this small rarely decides a purchase on its own, though it counts if refresh rate, VRR, input lag, and console support is your priority.
Smart Platform
The LG QNED84B (100-inch) leads clearly here, 8.8 against 8.0 — a 0.8-point margin on OS responsiveness, app ecosystem, and voice assistant support. If that is what you are buying for, the TCL QM6K does not close the gap elsewhere.
Built-in Sound
The LG QNED84B (100-inch) and TCL QM6K are level here, at 7.0/10 each. onboard speaker power, clarity, and Dolby Atmos support is not what separates these two — look to the categories where the scores diverge.
Design & Build
The LG QNED84B (100-inch) leads clearly here, 8.0 against 7.3 — a 0.7-point margin on panel thinness, bezels, stand/mount options, and finish. If that is what you are buying for, the TCL QM6K does not close the gap elsewhere.
Connectivity
The TCL QM6K is marginally ahead, 7.8 to 7.5. A gap this small rarely decides a purchase on its own, though it counts if HDMI 2.1 port count and other I/O for consoles and soundbars is your priority.
Value
The TCL QM6K leads clearly here, 9.0 against 6.5 — a 2.5-point margin on performance and features relative to price. If that is what you are buying for, the LG QNED84B (100-inch) does not close the gap elsewhere.
Best For
Choose the LG QNED84B (100-inch) if…
- • Smart Platform matters most to you — the LG QNED84B (100-inch) scores 8.8/10 here (OS responsiveness, app ecosystem, and voice assistant support).
- • Design & Build matters most to you — the LG QNED84B (100-inch) scores 8.0/10 here (panel thinness, bezels, stand/mount options, and finish).
- • Picture Quality matters most to you — the LG QNED84B (100-inch) scores 8.2/10 here (panel technology, contrast, and color accuracy).
Choose the TCL QM6K if…
- • Value matters most to you — the TCL QM6K scores 9.0/10 here (performance and features relative to price).
- • Connectivity matters most to you — the TCL QM6K scores 7.8/10 here (HDMI 2.1 port count and other I/O for consoles and soundbars).
- • You want to spend less — it's $3,470 cheaper.
- • Your main use case is gaming.
Pros & Cons
LG QNED84B (100-inch)
Pros
- +Same Alpha 8 AI Processor Gen 3 as the flagship QNED90, at a fraction of the price
- +AI Super Upscaling shared only with the QNED90
- +Massive 100" size for genuine home-theater scale
- +webOS 26 with the same Sports Portal and AI features as the flagship
Cons
- −Lacks the QNED90's 165Hz VRR and 330Hz Motion Booster
- −Peak brightness, refresh rate, and HDMI 2.1 port count not independently confirmed
- −US retail SKU naming may appear slightly differently by retailer (e.g. QNED84-series badging)
- −LG's 2026 US QNED range is QNED92B and QNED84B only; this model was published under a 2025-era name that does not exist in the current US lineup and has been corrected
TCL QM6K
Pros
- +Genuine QD-Mini LED at a genuinely budget price
- +Game Accelerator 288 and 144Hz native refresh punch well above its price for gaming
- +Onkyo-tuned audio and IMAX Enhanced certification are rare at this tier
- +New 50" size added for 2026, still sold alongside the newer QM7L/QM8L
Cons
- −Carried over from 2025 without a full refresh — TCL's newer SQD Mini LED tech is reserved for the QM7L/QM8L above it
- −Fewer local dimming zones than the QM7L/QM8L
- −HDMI 2.1 port count not independently confirmed
Shop by Need
FAQs
Is the LG QNED84B (100-inch) or TCL QM6K better overall?+
Based on our 8-category scoring, the TCL QM6K comes out ahead overall. See the full breakdown in the scores section above — the right pick still depends on which categories matter most for your use case.
Which is better for Value, the LG QNED84B (100-inch) or the TCL QM6K?+
The TCL QM6K scores higher on Value (9.0/10 vs 6.5/10) — performance and features relative to price.
Which is better for Smart Platform, the LG QNED84B (100-inch) or the TCL QM6K?+
The LG QNED84B (100-inch) scores higher on Smart Platform (8.8/10 vs 8.0/10) — OS responsiveness, app ecosystem, and voice assistant support.
Which is better for Design & Build, the LG QNED84B (100-inch) or the TCL QM6K?+
The LG QNED84B (100-inch) scores higher on Design & Build (8.0/10 vs 7.3/10) — panel thinness, bezels, stand/mount options, and finish.
Which is better for Picture Quality, the LG QNED84B (100-inch) or the TCL QM6K?+
The LG QNED84B (100-inch) scores higher on Picture Quality (8.2/10 vs 7.8/10) — panel technology, contrast, and color accuracy.
Is the LG QNED84B (100-inch) worth the price difference over the TCL QM6K?+
The TCL QM6K is the cheaper option at $529.99 versus $3,999.99. Whether the pricier model is "worth it" depends on how much you value its lead in Value.
Which is better suited to my use case?+
The LG QNED84B (100-inch) is the better fit if you mainly care about home-theater. The TCL QM6K is the better fit for gaming.
What's the warranty on the LG QNED84B (100-inch) vs the TCL QM6K?+
The LG QNED84B (100-inch) ships with a 12-month warranty; the TCL QM6K ships with a 12-month warranty. Always confirm current terms on the manufacturer's site before buying.
Should I wait for the next model instead of buying either of these?+
If either model is more than two years old, a successor may be close — check the "Latest Model" link on each product page. Otherwise, both are current, well-supported options and there's no strong reason to wait.
Cheaper Option
Samsung QN80H — $1599.99
Premium Option
Roku Pro Series — $698.00
Specifications and prices for both products last verified . Scores are calculated from published specifications — see how we compare products.