LG 27LX5QKNA vs Samsung UN43DU8000FXZA
Prices updated hourly. Check retailer for current availability.
Choosing between the LG 27LX5QKNA and Samsung UN43DU8000FXZA? Both compete in the TV segment. Here’s how they compare across the specs that matter most for your home theater.
Looking at overall performance dimensions: The LG 27LX5QKNA scores higher in form factor, room fit. The Samsung UN43DU8000FXZA leads in value, video quality, gaming performance, future-proofing. They score similarly in ease of use.
On the display side, screen sizes differ at 27" vs 43". 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 Samsung UN43DU8000FXZA holds an advantage across more performance dimensions, but the LG 27LX5QKNA 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 Samsung UN43DU8000FXZA is the stronger choice — it leads in 4 of 7 scored dimensions. The LG 27LX5QKNA 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 StanbyME Go 27" Briefcase Design Touch Screen
Samsung UN43DU8000FXZA
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | $1,199.99 | N/A |
| Screen Size | 27" | 43" |
| Resolution | 1080p | 4K |
| Panel Type | LED | LED |
| Backlight Type | mini-LED | direct-lit |
| Native Contrast Ratio | — | Mega Contrast |
| HDR Formats | HDR10, HDR10+, HLG | |
| Refresh Rate | 60Hz | 60Hz |
| VRR | No | Yes |
| VRR Type | — | — |
| ALLM | No | Yes |
| Smart OS | webOS | Tizen |
| Speaker Config | 4.0 | Speaker Type -?Mechanism in TV that outputs audio. Down firing enhances bass by directing low-end toward ground. |
| Dolby Atmos (Speakers) | Yes | No |
| HDMI Total Ports | 1 | 3 |
| HDMI 2.1 Ports | 0 | 0 |
| eARC Port | No | Yes |
| VESA Pattern | See Setup Info | — |
| Processor | α7 AI Processor Gen5 | Crystal Processor 4K |
| Model Year | 2025 | 2024 |
Key Differences
- Resolution: LG 27LX5QKNA at 1080p vs Samsung UN43DU8000FXZA at 4K
- Processor: LG 27LX5QKNA at α7 AI Processor Gen5 vs Samsung UN43DU8000FXZA at Crystal Processor 4K
- HDR Formats: LG 27LX5QKNA at vs Samsung UN43DU8000FXZA at HDR10, HDR10+, 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 27LX5QKNA at webOS vs Samsung UN43DU8000FXZA at Tizen
- HDMI Total Ports: LG 27LX5QKNA at 1 vs Samsung UN43DU8000FXZA at 3
Which Should You Choose?
Choose Samsung UN43DU8000FXZA if you want:
- + larger 43" screen for more immersive viewing
- + better hdmi total ports
- + lighter weight for easier placement
See Where These Rank
Check our editorial rankings to see how LG 27LX5QKNA and Samsung UN43DU8000FXZA 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.
Related Comparisons
CinemaConfig may receive compensation for purchases made at participating retailers linked on this site. This compensation does not affect what products or prices are displayed, or the order of prices listed. See our affiliate disclosure.