LG 75QNED90UPA vs TCL 65QM8K
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Choosing between the LG 75QNED90UPA and TCL 65QM8K? 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 75QNED90UPA scores higher in form factor, room fit. The TCL 65QM8K leads in value, video quality, gaming performance, future-proofing. They score similarly in ease of use.
On the display side, screen sizes differ at 75" 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.
The TCL 65QM8K holds an advantage across more performance dimensions, but the LG 75QNED90UPA may still be the better pick depending on which specs matter most to your setup. See the detailed comparison table below for the full breakdown.
For most home theaters, the TCL 65QM8K is the stronger choice — it leads in 4 of 7 scored dimensions. The LG 75QNED90UPA makes more sense if you prioritize the 2 dimensions where it leads.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
LG 75QNED90UPA
TCL 65" Class QM8K Series QD-Mini LED 4K UHD Smart Google TV, 65 Inch TVs
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Screen Size | 75" | 65" |
| Resolution | 4K | 4K |
| Panel Type | VA | VA |
| Backlight Type | mini-LED | mini-LED |
| Native Contrast Ratio | — | — |
| HDR Formats | HDR10, Dolby Vision, HLG | |
| Refresh Rate | — | 144Hz |
| VRR | No | Yes |
| VRR Type | — | — |
| ALLM | No | No |
| Smart OS | webOS | Google TV |
| Speaker Config | — | — |
| Dolby Atmos (Speakers) | No | Yes |
| HDMI Total Ports | 0 | 4 |
| HDMI 2.1 Ports | 0 | 0 |
| eARC Port | No | Yes |
| VESA Pattern | — | 300x300 |
| Processor | — | — |
| Model Year | — | — |
Key Differences
- Series Name: LG 75QNED90UPA at QNED90 vs TCL 65QM8K at QM8K
- HDR Formats: LG 75QNED90UPA at vs TCL 65QM8K 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 75QNED90UPA at webOS vs TCL 65QM8K at Google TV
- Screen Size: LG 75QNED90UPA at 75" vs TCL 65QM8K 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.
- Local Dimming Type: LG 75QNED90UPA at — vs TCL 65QM8K at Precise Dimming L2
Which Should You Choose?
Choose LG 75QNED90UPA if you want:
- + larger 75" screen for more immersive viewing
Choose TCL 65QM8K if you want:
- + better hdmi total ports
See Where These Rank
Check our editorial rankings to see how LG 75QNED90UPA and TCL 65QM8K 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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