Roku Smart TV – 32-Inch Select Series, 1080p Full vs VIZIO 40-inch D-Series Full HD 1080p Smart TV with
Updated July 2026 — Roku Smart TV – 32-Inch Select Series, 1080p Full wins on usability, VIZIO 40-inch D-Series Full HD 1080p Smart TV with wins on gaming and display.
The VIZIO D-Series offers superior display quality and gaming features, while the Roku Smart TV is a budget-friendly option with straightforward streaming capabilities.
Why Roku Smart TV – 32-Inch Select Series, 1080p Full is better
Price
Roku is $59.99 cheaper than VIZIO
Size
Roku is better for smaller spaces
Simplicity
Roku offers a more user-friendly interface
Why VIZIO 40-inch D-Series Full HD 1080p Smart TV with is better
Display
VIZIO has Full Array LED Backlight for better picture
Gaming
VIZIO includes V-Gaming Engine for enhanced performance
Sound
VIZIO supports Dolby Atmos for superior audio
Overall score
Specifications
| Spec | Roku Smart TV – 32-Inch Select Series, 1080p Full | VIZIO 40-inch D-Series Full HD 1080p Smart TV with |
|---|---|---|
| Resolution | 1080p | 1080p |
| Voice Control | Yes | Yes |
| Smart Features | Roku TV | SmartCast |
| HDR Support | No | No |
| Bluetooth | Yes | No |
Dimension comparison
Pricing Comparison
The Roku Smart TV is priced at $129.99, making it about 31% cheaper than the VIZIO 40-inch D-Series, which retails for $188.98. This significant price difference may appeal to budget-conscious consumers seeking a decent smart TV experience without the extra features offered by the VIZIO model. While the Roku Smart TV is positioned as an entry-level option, it still provides essential streaming capabilities and a variety of entertainment options. However, potential buyers should consider whether the additional features of the VIZIO justify its higher price.
Display Quality
Both the Roku Smart TV and the VIZIO D-Series boast 1080p Full HD resolution, ensuring a clear and vibrant viewing experience. The VIZIO, however, features a Full Array LED Backlight, which promises superior light uniformity and enhanced picture performance. This can result in better contrast and deeper blacks, particularly in darker scenes. The Roku Smart TV, while bright and clear, may not match the VIZIO's display quality in terms of uniformity and overall picture depth, making the VIZIO a stronger choice for those prioritizing display performance.
Smart Features and Usability
The Roku Smart TV focuses on a simplified user experience with its intuitive interface that provides access to over 500 TV channels, including free live television. Users can enjoy seamless streaming with fast Wi-Fi and an easy-to-navigate home screen. In contrast, the VIZIO D-Series includes SmartCast, which offers instant access to a wide selection of apps, but it also packs in features like the V-Gaming Engine, which optimizes picture settings for gaming. For users who appreciate straightforward streaming and voice control, the Roku TV may be more appealing, while gamers may prefer the VIZIO's tailored functionality.
Voice Control Compatibility
Voice control is a strong feature in both models, but they cater to slightly different ecosystems. The Roku Smart TV supports voice commands through Roku Voice, Siri, Alexa, and Google Assistant, allowing for a versatile smart home integration. On the other hand, the VIZIO D-Series also offers Alexa compatibility and works with Apple AirPlay and Chromecast, providing flexibility in how users can control their TV. While both models offer robust voice control options, the Roku might have a slight edge in ease of use for existing Roku users.
Gaming Performance
The VIZIO D-Series positions itself as a gamer-friendly option with its V-Gaming Engine, which includes features like Auto Game Mode and Variable Refresh Rate with AMD FreeSync. This ensures a lower input lag and a smoother gaming experience, essential for competitive gaming. The Roku Smart TV, while capable of streaming and general entertainment, does not boast specialized gaming features. Thus, for gamers looking for enhanced performance during gameplay, the VIZIO is the superior choice.
Sound Quality
Sound quality is an important aspect of the viewing experience, and here, both TVs have their strengths. The Roku Smart TV is designed with auto speech clarity and night mode, aiming to provide clear dialogue and an overall better sound experience. In contrast, the VIZIO D-Series is equipped with immersive audio pass-through for Dolby Atmos and DTS:X, enhancing the audio experience for movies and games. While the Roku may cater better to casual viewing with clear speech, the VIZIO offers a more robust sound system for users who value high-quality audio.
Size Considerations
The Roku Smart TV measures 32 inches, making it well-suited for smaller spaces such as bedrooms or kitchens. Conversely, the VIZIO D-Series has a larger 40-inch display, which is ideal for more expansive living rooms or entertainment areas. The size difference can significantly impact where and how the TVs are used, with the VIZIO providing a more immersive viewing experience for larger spaces. Buyers should consider their available space and viewing habits when choosing between these two sizes.
Which should you buy?
Ultimately, the decision between the Roku Smart TV and the VIZIO D-Series depends on individual preferences and needs. If you're looking for a budget-friendly option with straightforward streaming capabilities, the Roku Smart TV is an excellent choice at $129.99. However, if you seek superior display quality, enhanced gaming features, and better sound performance, the VIZIO D-Series, priced at $188.98, could be worth the investment. Consider your viewing habits, space, and budget to determine which model fits your lifestyle best.

