LG 77-Inch Class OLED evo AI 4K C5 Series Smart TV vs Samsung 83-Inch Class OLED S90F 4K Smart TV NQ4 AI
Updated July 2026 — LG 77-Inch Class OLED evo AI 4K C5 Series Smart TV wins on price and gaming, Samsung 83-Inch Class OLED S90F 4K Smart TV NQ4 AI wins on sound.
The LG C5 Series offers excellent value with superior display quality and sound experience, while the Samsung S90F excels in advanced sound technology and larger screen size.
Why LG 77-Inch Class OLED evo AI 4K C5 Series Smart TV is better
Price
LG is significantly cheaper at $1,699.99 compared to Samsung's $4,095.98.
Display Quality
LG features over 8.3 million self-lit pixels for perfect black and color.
Gaming Features
LG has a 0.1ms response time and supports NVIDIA G-Sync.
Why Samsung 83-Inch Class OLED S90F 4K Smart TV NQ4 AI is better
Sound Experience
Samsung includes a 5.1.2 channel sound system with Dolby Atmos.
Screen Size
Samsung has a larger 83-inch display compared to LG's 77-inch.
AI Processing
Samsung's NQ4 AI Gen3 processor enhances picture and sound.
Overall score
Specifications
| Spec | LG 77-Inch Class OLED evo AI 4K C5 Series Smart TV | Samsung 83-Inch Class OLED S90F 4K Smart TV NQ4 AI |
|---|---|---|
| Screen Size | 77 inches | 83 inches |
| Resolution | 4K | 4K |
| Processor | Alpha 9 AI Gen8 | NQ4 AI Gen3 |
| HDR Support | Dolby Vision, HDR10 | HDR10+ |
| Refresh Rate | up to 144Hz | up to 144Hz |
| Response Time | 0.1ms | 1ms |
Dimension comparison
Price Comparison
The LG 77-Inch Class OLED evo AI 4K C5 Series Smart TV is priced at $1,699.99, making it significantly more affordable than the Samsung 83-Inch Class OLED S90F 4K Smart TV, which retails for $4,095.98. This means the Samsung model is about 141% more expensive than the LG model. The price difference may be a deciding factor for consumers looking for high-quality televisions without breaking the bank.
While the LG model has a bestseller rank of 603, the Samsung's rank is 3,345, indicating that the LG may be a more popular choice among consumers. This suggests that buyers are leaning toward the more budget-friendly option while still seeking high-end technology.
Display Quality
The LG OLED evo C5 Series boasts excellent display quality, featuring over 8.3 million self-lit pixels, which provide perfect black and perfect color technology. This is enhanced by the Alpha 9 AI Processor Gen8 that ensures personalized picture quality for any content. The LG also includes features like Dolby Vision and HDR10, which enhance color and contrast.
On the other hand, the Samsung S90F utilizes a next-level AI processor, powered by 128 neural networks, to deliver exceptional 4K experiences. It claims to upscale everything to 4K resolution, ensuring sharp and smooth picture quality. The powerful brightness and deeper contrast in each pixel add to the viewing experience, making both models impressive contenders in terms of display quality.
Sound Experience
The LG C5 Series integrates Dolby Atmos for an immersive sound experience that surrounds users with audio. This model ensures that sound is as captivating as the visuals, aligning with cinematic experiences. With features like Wow Orchestra, which enhances the sound field, the LG offers a robust audio performance.
In contrast, the Samsung S90F comes with a 5.1.2 channel sound system that includes side- and top-firing speakers. This setup provides a legendary 3D sound experience and deep bass through its 8-inch passive radiator subwoofer. The Samsung's sound capabilities further benefit from its integration with a Samsung Q800F soundbar, enhancing the overall audio experience.
Gaming Features
For gamers, the LG C5 Series offers impressive specs, including a 0.1ms response time and up to a 144Hz refresh rate, which ensures smooth visuals without blurring or tearing. The model is compatible with NVIDIA G-Sync and AMD FreeSync Premium, making it an excellent choice for high-performance gaming.
The Samsung S90F also shines in this area, supporting variable refresh rates (VRR) for smooth motion during gameplay. It allows gaming at up to 4K 144Hz, catering to serious gamers looking for speed and performance. Both models are equipped for elite gaming, but the LG may have a slight edge in terms of response time.
Design and Aesthetics
The design of the LG C5 Series features a nearly invisible bezel, allowing it to blend seamlessly into any living space. Additionally, it has an Art Gallery mode, making it a stylish statement piece when not in use. This attention to aesthetics ensures that the TV is not just a functional device but also a part of home decor.
Samsung's S90F is designed to stand out with its modern and sleek appearance. While specific design details are not mentioned, the model's larger screen size may appeal to those looking for a more substantial presence in their entertainment setup. Both models are visually appealing, but personal preference will play a significant role in choosing one over the other.
Smart Features
The LG C5 Series is powered by the latest webOS 25 platform, which enhances user experience by streamlining access to various streaming services. It includes Alexa built-in, making it easier to control the TV and other smart home devices. This smart technology is aimed at simplifying the streaming and viewing experience for users.
Samsung's S90F also incorporates advanced smart features, although specific details on its smart capabilities are not provided. However, given Samsung's reputation for integrating smart technology into their products, it's likely that this model also offers a user-friendly experience. The LG's explicit mention of Alexa built-in may give it an advantage for users who prioritize voice control.
Brand Reputation
LG has long been celebrated for its innovations in OLED technology, with the C5 Series being recognized as one of its most popular models. With over 12 years of perfecting OLED technology, LG continues to lead in this space, reflecting its commitment to quality and performance.
Samsung, while known for its high-quality displays and sound systems, presents the S90F as part of its 2025 line-up. The company's focus on advanced AI processing and sound quality positions it as a strong competitor in the market. Both brands have established reputations, but LG's longstanding expertise in OLED may give it an edge for dedicated fans of this technology.
Which should you buy?
In deciding between the LG 77-Inch Class OLED evo AI 4K C5 Series Smart TV and the Samsung 83-Inch Class OLED S90F 4K Smart TV, potential buyers should weigh their priorities. The LG C5 is significantly cheaper at $1,699.99 compared to the Samsung's $4,095.98 price point, making it an attractive option for those on a budget. It excels in display quality, sound experience, and gaming capabilities.
However, the Samsung S90F offers a larger screen and advanced sound technology, backed by a robust AI processor for enhanced viewing experiences. If price is not an issue and the latest technology is a priority, the Samsung may be the better choice.
Ultimately, for those seeking the best value with outstanding features, the LG C5 Series stands out as the more economical and well-rounded option.

