LG 42LX3QPUA vs TCL 65QM7K
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Choosing between the LG 42LX3QPUA and TCL 65QM7K? Both compete in the TV segment. Here’s how they compare across the specs that matter most for your home theater.
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Looking at overall performance dimensions: The LG 42LX3QPUA scores higher in form factor, room fit. The TCL 65QM7K leads in value, video quality. They score similarly in gaming performance, ease of use.
On the display side, the LG 42LX3QPUA uses a WOLED panel while the TCL 65QM7K uses VA, and screen sizes differ at 42" vs 65". OLED panels produce perfect blacks by turning pixels off entirely. QD-OLED adds a quantum dot layer for wider color. VA panels offer better contrast than IPS but narrower viewing angles. Mini-LED is a backlight technology applied to LCD panels, offering thousands of dimming zones for improved contrast. Bigger isn't always better — it depends on viewing distance. THX recommends a 36-degree viewing angle; SMPTE suggests 30 degrees minimum. Our viewing distance calculator helps find the sweet spot.
These two TV options trade wins across different dimensions. The right choice depends on which specs matter most for your room and listening preferences — review the detailed table below to decide.
These two are closely matched — your decision comes down to your specific room setup and speaker pairing and budget.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Screen Size | 42" | 65" |
| Resolution | 4K | 4K |
| Panel Type | WOLED | VA |
| Backlight Type | none | mini-LED |
| Native Contrast Ratio | Infinite | — |
| HDR Formats | HDR10, Dolby Vision, HLG | |
| Refresh Rate | 120Hz | 144Hz |
| VRR | Yes | Yes |
| VRR Type | FreeSync+G-Sync | — |
| ALLM | No | No |
| Smart OS | webOS | Google TV |
| Speaker Config | 2.2 | — |
| Dolby Atmos (Speakers) | Yes | Yes |
| HDMI Total Ports | 4 | 4 |
| HDMI 2.1 Ports | 0 | 0 |
| eARC Port | Yes | Yes |
| VESA Pattern | — | 300x300 |
| Processor | α9 Gen 5 AI Processor 4K | — |
| Model Year | 2023 | — |
Key Differences
- Panel Type: LG 42LX3QPUA at WOLED vs TCL 65QM7K at VA. OLED panels produce perfect blacks by turning pixels off entirely. QD-OLED adds a quantum dot layer for wider color. VA panels offer better contrast than IPS but narrower viewing angles. Mini-LED is a backlight technology applied to LCD panels, offering thousands of dimming zones for improved contrast.
- HDR Formats: LG 42LX3QPUA at vs TCL 65QM7K at HDR10, Dolby Vision, HLG. Dolby Vision adds dynamic metadata that adjusts brightness scene-by-scene. HDR10 is the baseline. HDR10+ is Samsung's alternative to Dolby Vision.
- Smart OS: LG 42LX3QPUA at webOS vs TCL 65QM7K at Google TV
- USB Type: LG 42LX3QPUA at 2 (Side) / 1 (Stand) vs TCL 65QM7K at 1 x USB 3.0, 1 x USB 2.0
- Screen Size: LG 42LX3QPUA at 42" vs TCL 65QM7K at 65". Bigger isn't always better — it depends on viewing distance. THX recommends a 36-degree viewing angle; SMPTE suggests 30 degrees minimum. Our viewing distance calculator helps find the sweet spot.
Which Should You Choose?
Choose TCL 65QM7K if you want:
- + larger 65" screen for more immersive viewing
- + better refresh rate — 120 Hz provides noticeably smoother motion for sports and gaming
- + better native refresh rate
- + lighter weight for easier placement
See Where These Rank
Check our editorial rankings to see how LG 42LX3QPUA and TCL 65QM7K compare to the rest of the field.
Best TV RankingsRelated Calculators
Specifications sourced from manufacturer datasheets and verified against retailer listings. Prices updated hourly from authorized retailers. Scoring uses our open methodology — products are never ranked, promoted, or suppressed based on affiliate commission rates.
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