LG 50-Inch Class QNED AI 4K QNED82A Series Smart vs LG 77-Inch Class OLED evo AI 4K C5 Series Smart TV
Updated July 2026 — LG 50-Inch Class QNED AI 4K QNED82A Series Smart wins on price, LG 77-Inch Class OLED evo AI 4K C5 Series Smart TV wins on size and gaming.
The LG 77-Inch OLED evo AI 4K C5 Series offers superior picture, sound, and gaming performance, making it the better choice for enthusiasts, while the LG 50-Inch QNED82A provides a solid, budget-friendly option.
Why LG 50-Inch Class QNED AI 4K QNED82A Series Smart is better
Price
$346.99 vs $1699.99
Lower Price
Approximately 389% cheaper
Smart Features
webOS 24 with personalized Quick Cards
Why LG 77-Inch Class OLED evo AI 4K C5 Series Smart TV is better
Display Size
77 inches vs 50 inches
Picture Quality
OLED with Dolby Vision vs QNED with HDR10 Pro
Gaming Performance
0.1ms response, 144Hz refresh vs FreeSync, VRR
Overall score
Specifications
| Spec | LG 50-Inch Class QNED AI 4K QNED82A Series Smart | LG 77-Inch Class OLED evo AI 4K C5 Series Smart TV |
|---|---|---|
| Screen Size | 50 inches | 77 inches |
| Display Tech | QNED | OLED evo |
| HDR Support | HDR10 Pro | Dolby Vision, HDR10 |
| Sound Tech | AI Sound, Virtual 5.1 | Dolby Atmos |
| Processor | Alpha 7 AI Gen8 | Alpha 9 AI Gen8 |
| Gaming Features | FreeSync, VRR, 4 HDMI 2.0 | 0.1ms, 144Hz, VRR, 4 HDMI 2.1 |
| Smart OS | webOS 24 | webOS 25 |
| Price | $346.99 | $1699.99 |
Dimension comparison
Price Comparison
When it comes to pricing, the LG 50-Inch Class QNED AI 4K QNED82A Series Smart TV is significantly more affordable at $346.99, while the LG 77-Inch Class OLED evo AI 4K C5 Series Smart TV comes in at $1,699.99. This means the OLED model is approximately 389% more expensive than the QNED model. For budget-conscious consumers, the lower price of the QNED82A could make it a more appealing option, especially for those who want a quality smart TV without breaking the bank.
Size and Display Technology
The LG 77-Inch Class OLED evo AI 4K C5 Series Smart TV boasts a much larger display at 77 inches, compared to the 50-inch screen of the QNED82A. This size difference is significant, especially for viewers who enjoy a more immersive experience. The OLED technology in the C5 model offers Perfect Black and Perfect Color, which enhances picture quality with over 8.3 million self-lit pixels. In contrast, the QNED82A uses QNED technology, which provides Dynamic QNED Color and a wide color gamut, but may not achieve the same level of contrast and color richness as OLED.
Picture Quality and Features
In terms of picture quality, both models offer impressive features, but they cater to slightly different viewing preferences. The LG 50-Inch QNED82A features HDR10 Pro and 4K upscaling, promising enhanced brightness and color accuracy. Meanwhile, the LG 77-Inch OLED C5 takes it a step further with Dolby Vision and a Brightness Booster that enhances each pixel's luminosity. The C5's Alpha 9 AI Processor Gen8 also automatically improves picture quality for various content types, making it a more robust option for cinephiles.
Sound Quality
Sound quality is another crucial aspect of a home viewing experience, and both models excel in this area, but with differing technologies. The LG 50-Inch QNED82A is equipped with AI Sound and Virtual 5.1 surround sound to create a more immersive audio experience. However, the LG 77-Inch OLED C5 elevates sound further with Dolby Atmos technology, delivering surround sound that you can feel, enhancing the cinematic experience. The C5’s audio capabilities make it a better choice for those who prioritize sound alongside visual quality.
Smart Features and User Experience
Both TVs come loaded with LG’s webOS platform, but the experience may vary slightly. The LG 50-Inch QNED82A features the award-winning webOS 24, allowing for a personalized streaming experience with Quick Cards and access to over 350 free LG Channels. The LG 77-Inch C5, on the other hand, runs on the latest webOS 25, which promises even more intuitive navigation and enhanced AI features for content recommendations. Users looking for an advanced smart experience may lean towards the OLED C5 for its upgraded platform.
Gaming Performance
For gamers, the LG 77-Inch OLED C5 is designed with gaming in mind, boasting a 0.1ms response time and support for up to 144Hz refresh rates. This ensures a smooth gaming experience with virtually no lag or tearing, ideal for fast-paced gaming. The LG 50-Inch QNED82A also caters to gamers with FreeSync and VRR support, but its lower specifications may not provide the same level of performance. Therefore, serious gamers might find the OLED C5 to be the superior choice due to its advanced gaming features.
Brand and Popularity
Both models are manufactured by LG, a brand known for its quality in television technology. The LG 50-Inch QNED82A has a sales rank of 3,565, while the LG 77-Inch C5 is more popular with a sales rank of 603. This suggests that the OLED model has garnered more attention and likely reflects consumer trust in its superior technology and features. For buyers looking for a tried-and-true option, the higher-ranked OLED C5 may be worth the investment.
Which should you buy?
Deciding between the LG 50-Inch Class QNED AI 4K QNED82A Series Smart TV and the LG 77-Inch Class OLED evo AI 4K C5 Series Smart TV ultimately depends on your specific needs and budget. If you are looking for a budget-friendly option that still delivers quality, the QNED82A is about 17% cheaper than the OLED C5 and offers solid features for casual viewing. However, if you desire a more immersive experience with superior picture and sound quality, the OLED C5 justifies its higher price with advanced technology, larger size, and enhanced gaming capabilities. Therefore, for those prioritizing performance and quality, the OLED C5 is the clear winner.

