Roku Smart TV – 40-Inch Select Series, 1080p Full vs VIZIO 24-inch D-Series Full HD 1080p Smart TV with
Updated August 2026 — Roku Smart TV – 40-Inch Select Series, 1080p Full wins on user interface and smart features, VIZIO 24-inch D-Series Full HD 1080p Smart TV with wins on gaming performan.
The Roku Smart TV offers a larger display and a robust streaming experience, while the VIZIO D-Series is more compact and gaming-friendly at a lower price.
Why Roku Smart TV – 40-Inch Select Series, 1080p Full is better
Larger Screen
Roku has a 40-inch display compared to VIZIO's 24-inch.
Streaming Options
Roku offers over 500 channels including free live TV.
Voice Control
Roku supports multiple voice assistants for smart home integration.
Why VIZIO 24-inch D-Series Full HD 1080p Smart TV with is better
Price
VIZIO is priced at $158, about 10% cheaper than Roku.
Gaming Features
VIZIO includes a V-Gaming Engine for optimized gaming performance.
Sales Rank
VIZIO ranks slightly better at 2697 compared to Roku's 2917.
Overall score
Specifications
| Spec | Roku Smart TV – 40-Inch Select Series, 1080p Full | VIZIO 24-inch D-Series Full HD 1080p Smart TV with |
|---|---|---|
| Smart Features | Roku TV with Voice Remote | SmartCast with Chromecast |
| Audio Support | Clear speech enhancement | Dolby Atmos support |
| Connectivity | Apple AirPlay, Voice Assistants | Apple AirPlay, Chromecast |
| Gaming Mode | No | Yes |
| Average Price (30d) | $132.24 | $149.03 |
Dimension comparison
Design and Display
When it comes to design and display, the Roku Smart TV offers a larger screen size of 40 inches compared to the VIZIO D-Series, which has a 24-inch display. The Roku Smart TV provides a bright 1080p Full HD picture that is ideal for various settings, including bedrooms and living rooms. This larger screen could enhance your viewing experience, especially for movies and sports. On the other hand, the VIZIO D-Series, while smaller, also offers clear 1080p Full HD resolution, making it suitable for tighter spaces. The VIZIO's Full Array LED backlight promotes superior light uniformity, ensuring a consistent picture quality across the screen.
Smart Features and User Interface
The Roku Smart TV excels in its user-friendly interface, allowing seamless streaming with fast Wi-Fi and easy navigation through popular apps. With over 500 TV channels, including free live television, it provides a ton of entertainment options. The Roku Voice feature further enhances usability by allowing voice control across various platforms. The VIZIO D-Series is not far behind, equipped with SmartCast, which also offers quick access to popular streaming services like Netflix and Disney+. However, the VIZIO's unique V-Gaming Engine optimizes the TV for gaming performance, making it a strong contender for gaming enthusiasts.
Audio Quality
In terms of audio quality, both the Roku Smart TV and VIZIO D-Series have features that cater to enhanced sound experiences. The Roku Smart TV is designed for clear speech and louder sound, ensuring that viewers catch every word, making it ideal for dialogue-heavy content. On the other hand, the VIZIO D-Series includes support for immersive audio pass-through for Dolby Atmos and DTS:X, which may be more appealing to those who prioritize a cinematic audio experience. Both TVs offer distinct advantages, but the type of content you watch may determine which audio quality suits you best.
Connectivity Options
When comparing connectivity options, both the Roku Smart TV and VIZIO D-Series have their strengths. The Roku Smart TV offers compatibility with voice assistants such as Siri, Alexa, and Google Assistant, allowing for easy integration into smart home setups. Additionally, it features Apple AirPlay, making it simple to share content from Apple devices. The VIZIO D-Series also supports Apple AirPlay and includes Chromecast built-in, providing versatile streaming options. Both TVs cater well to modern connectivity needs, but the choice may depend on the specific ecosystem you prefer.
Price Point
Price is a critical factor for many consumers, and here the VIZIO D-Series comes in at $158.00, making it about 10% cheaper than the Roku Smart TV, which is priced at $169.95. The average prices over the last 30 and 90 days for both models show that the VIZIO has been consistently less expensive, with average prices of $149.03 and $137.29, respectively. If budget is a significant concern, the VIZIO D-Series may offer better value without compromising essential features.
Sales Rank and Popularity
In terms of popularity, the Roku Smart TV ranks 2917 on sales charts, while the VIZIO D-Series holds a slightly better rank at 2697. This suggests that the VIZIO may be a more popular choice among consumers right now. Popularity can often reflect user satisfaction and reliability, making the VIZIO an attractive option for those looking for a trusted product. However, both TVs have their dedicated user bases, and the choice may ultimately come down to personal preferences.
Overall Performance
Overall performance is where both the Roku Smart TV and VIZIO D-Series shine in their respective niches. The Roku Smart TV focuses on delivering a simplified, enjoyable streaming experience, enhanced by its voice remote and an extensive library of channels. In contrast, the VIZIO D-Series is designed with versatility in mind, particularly for gamers, thanks to its V-Gaming Engine and rapid navigation capabilities. Depending on your primary use—streaming vs. gaming—each TV has its strengths that cater to different audiences.
Which should you buy?
Ultimately, the choice between the Roku Smart TV and the VIZIO D-Series will depend on your specific needs and preferences. If you're seeking a larger display and a robust streaming interface, the Roku Smart TV may be the right fit for you. However, if you prefer a more compact size with gaming-friendly features and a slightly lower price point, the VIZIO D-Series would be an excellent option. Both products deliver quality performance and functionality, ensuring that you won't go wrong with either choice.

