LG 65-Inch Class OLED evo AI 4K C5 Series Smart TV vs Roku Smart TV – 75-Inch Plus Series, Mini-LED TV –
Updated August 2026 — LG 65-Inch Class OLED evo AI 4K C5 Series Smart TV wins on gaming performan and picture quality, Roku Smart TV – 75-Inch Plus Series, Mini-LED TV – wins on value for money.
The LG OLED TV offers superior picture quality and gaming features, while the Roku provides a budget-friendly option with solid performance.
Why LG 65-Inch Class OLED evo AI 4K C5 Series Smart TV is better
Picture Quality
OLED technology provides perfect blacks and vibrant colors.
Gaming Features
0.1ms response time and support for G-Sync.
Audio Quality
Advanced Dolby Atmos sound processing.
Why Roku Smart TV – 75-Inch Plus Series, Mini-LED TV – is better
Price
Significantly cheaper at $679.99.
Smart Features
User-friendly Roku interface with extensive channel options.
Size
Larger screen size at 75 inches.
Overall score
Specifications
| Spec | LG 65-Inch Class OLED evo AI 4K C5 Series Smart TV | Roku Smart TV – 75-Inch Plus Series, Mini-LED TV – |
|---|---|---|
| Display Tech | OLED | QLED |
| Audio Tech | Dolby Atmos | Dolby Atmos |
| Smart OS | webOS 25 | Roku |
| Refresh Rate | 120Hz | 60Hz |
| Gaming Support | Yes | Limited |
Dimension comparison
Price Comparison
The LG 65-Inch Class OLED evo AI 4K C5 Series Smart TV is priced at $1,396.99, while the Roku Smart TV is significantly more affordable at $679.99. This makes the Roku about 51% cheaper than the LG model, which may be a major consideration for budget-conscious buyers. While the LG TV offers advanced features and technology, the Roku provides a cost-effective option that still delivers a solid viewing experience. Consumers will need to weigh whether the premium features of the LG justify the higher price tag compared to the Roku.
Display Technology
The LG TV utilizes OLED technology, celebrated for its vibrant colors and perfect black levels, providing an ultra-realistic picture quality. In contrast, the Roku Smart TV employs QLED technology with Mini-LED backlighting, enhancing brightness and color accuracy. Each TV caters to different viewing preferences; the LG’s OLED is ideal for those seeking the best picture quality, while the Roku’s QLED offers a bright and colorful display that may appeal to casual viewers. Ultimately, this choice depends on the viewer's priorities in display performance.
Audio Capabilities
The LG TV features Dolby Atmos technology, designed to deliver immersive sound that surrounds viewers, enhancing the experience of movies and games. It also has a range of sound features that ensure clarity and depth in audio. On the other hand, the Roku Smart TV also includes Dolby Atmos, but it focuses on providing clear speech and has a built-in subwoofer for a more cinematic sound experience. While both TVs provide quality audio, the LG’s advanced sound processing may offer a richer listening experience for audiophiles.
Smart Features
Both TVs come with smart features, but they differ in their operating systems and functionality. The LG TV is powered by the latest LG webOS 25 platform, which is designed to simplify streaming and enhance user experience through AI technology. In contrast, the Roku Smart TV is built around the Roku interface, renowned for its ease of use and vast selection of over 500 channels. For users who prioritize a robust app ecosystem and user-friendly navigation, the Roku may be more appealing, while the LG offers a more integrated smart home experience with advanced AI capabilities.
Size and Design
The LG 65-Inch Class OLED is designed to blend seamlessly into any living space with its nearly invisible bezel, making it a statement piece for modern interiors. In comparison, the Roku Smart TV is larger at 75 inches, providing a more expansive viewing area, which could be appealing for larger rooms or for those who enjoy a more immersive experience. The choice between the two largely depends on room size and personal aesthetic preferences, as both TVs offer modern designs tailored to contemporary home decor.
Gaming Performance
The LG Smart TV stands out with its impressive gaming features, including a 0.1ms response time and a native refresh rate of 120Hz, making it an excellent choice for gamers seeking performance and speed. Additionally, it supports NVIDIA G-Sync and AMD FreeSync Premium for a seamless gaming experience. The Roku Smart TV, while not specifically marketed for gaming, does provide a solid performance with its features. For serious gamers, the LG’s superior specs will likely offer a more satisfying experience, while the Roku may suffice for casual gaming.
Connectivity Options
Connectivity is crucial for modern TVs, and both the LG and Roku models come equipped with multiple options. The LG TV boasts four HDMI 2.1 ports, making it easy to connect various devices, including gaming consoles and sound systems. The Roku Smart TV also offers multiple connectivity options, including easy voice control with compatibility for Siri, Alexa, and Google Assistant. While both TVs provide essential connectivity, the LG’s additional HDMI ports may be more advantageous for users with multiple devices.
Which should you buy?
Choosing between the LG 65-Inch Class OLED evo AI 4K C5 Series Smart TV and the Roku Smart TV ultimately depends on your priorities. If you're looking for top-notch picture quality, advanced gaming features, and premium audio, the LG offers an impressive package at $1,396.99. However, if budget is your primary concern and you still want a reliable smart TV experience with good performance, the Roku Smart TV at $679.99 provides significant value. Consider your viewing habits, room size, and desired features to make the best choice for your entertainment needs.

