Hisense 55S7N vs LG 42LX3QPUA
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Choosing between the Hisense 55S7N and LG 42LX3QPUA? 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 Hisense 55S7N scores higher in video quality, form factor, room fit. The LG 42LX3QPUA leads in value, gaming performance. They score similarly in ease of use.
On the display side, the Hisense 55S7N uses a VA panel while the LG 42LX3QPUA uses WOLED, and screen sizes differ at 55" vs 42". 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.
For most home theaters, the Hisense 55S7N is the stronger choice — it leads in 3 of 6 scored dimensions. The LG 42LX3QPUA makes more sense if you prioritize the 2 dimensions where it leads.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Screen Size | 55" | 42" |
| Resolution | 4K | 4K |
| Panel Type | VA | WOLED |
| Backlight Type | direct-lit | none |
| Native Contrast Ratio | — | Infinite |
| HDR Formats | HDR10+, HDR10, Dolby Vision IQ, Dolby Vision, HLG | |
| Refresh Rate | 144Hz | 120Hz |
| VRR | No | Yes |
| VRR Type | — | FreeSync+G-Sync |
| ALLM | No | No |
| Smart OS | Google TV | webOS |
| Speaker Config | — | 2.2 |
| Dolby Atmos (Speakers) | No | Yes |
| HDMI Total Ports | 4 | 4 |
| HDMI 2.1 Ports | 2 | 0 |
| eARC Port | No | Yes |
| VESA Pattern | 400x200 | — |
| Processor | — | α9 Gen 5 AI Processor 4K |
| Model Year | — | 2023 |
Key Differences
- USB Type: Hisense 55S7N at 2 (1 x 3.0, 1 x 2.0) vs LG 42LX3QPUA at 2 (Side) / 1 (Stand)
- Panel Type: Hisense 55S7N at VA vs LG 42LX3QPUA at WOLED. 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: Hisense 55S7N at HDR10+, HDR10, Dolby Vision IQ, Dolby Vision, HLG vs LG 42LX3QPUA at . 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: Hisense 55S7N at Google TV vs LG 42LX3QPUA at webOS
- Screen Size: Hisense 55S7N at 55" vs LG 42LX3QPUA at 42". 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 Hisense 55S7N if you want:
- + larger 55" screen for more immersive viewing
- + better refresh rate — 120 Hz provides noticeably smoother motion for sports and gaming
- + better native refresh rate
- + better hdmi 2.1 ports — hDMI 2
Choose LG 42LX3QPUA if you want:
- + better audio power
See Where These Rank
Check our editorial rankings to see how Hisense 55S7N and LG 42LX3QPUA 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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