Roku Smart TV – 24-Inch Select Series, 720p HD TV – Roku TV with Voice Remote – Flat Screen LED Television with Wi-Fi for Streaming Live Local News, Sports, Family Entertainment vs VIZIO 40-inch D-Series Full HD 1080p Smart TV with AMD FreeSync, Apple AirPlay and Chromecast Built-in, Alexa Compatibility, D40f-J09, 2022 Model
Updated June 2026 — Roku Smart TV – 24-Inch Select Series, 720p HD TV – Roku TV with Voice Remote – Flat Screen LED Television with Wi-Fi for Streaming Live Local News, Sports, Family Entertainment wins on price and user experience, VIZIO 40-inch D-Series Full HD 1080p Smart TV with AMD FreeSync, Apple AirPlay and Chromecast Built-in, Alexa Compatibility, D40f-J09, 2022 Model wins on gaming performance and screen size.
The Roku Smart TV is a budget-friendly, user-friendly option ideal for small spaces and casual streaming. The VIZIO 40-inch D-Series offers superior display quality, advanced gaming features, and better connectivity for tech-savvy users, justifying its higher price.
Why Roku Smart TV – 24-Inch Select Series, 720p HD TV – Roku TV with Voice Remote – Flat Screen LED Television with Wi-Fi for Streaming Live Local News, Sports, Family Entertainment is better
Price
Roku Smart TV is priced at $99.99, 58% cheaper than the VIZIO's $188.98
Bestseller Rank
Roku Smart TV has a bestseller rank of 87, significantly higher than VIZIO's 2,930
Ease of Use
Roku's interface is designed for simplicity with fast app launches and intuitive navigation
Why VIZIO 40-inch D-Series Full HD 1080p Smart TV with AMD FreeSync, Apple AirPlay and Chromecast Built-in, Alexa Compatibility, D40f-J09, 2022 Model is better
Screen Size
VIZIO offers a 40-inch screen compared to Roku's 24-inch display
Display Quality
VIZIO features 1080p Full HD resolution and Full Array LED backlight for better contrast and uniformity
Gaming Performance
VIZIO includes AMD FreeSync, Auto Game Mode, and low-latency gaming support via V-Gaming Engine
Overall score
Specifications
| Spec | Roku Smart TV – 24-Inch Select Series, 720p HD TV – Roku TV with Voice Remote – Flat Screen LED Television with Wi-Fi for Streaming Live Local News, Sports, Family Entertainment | VIZIO 40-inch D-Series Full HD 1080p Smart TV with AMD FreeSync, Apple AirPlay and Chromecast Built-in, Alexa Compatibility, D40f-J09, 2022 Model |
|---|---|---|
| Screen Size | 24 inches | 40 inches |
| Resolution | 720p HD | 1080p Full HD |
| Backlight Type | Standard LED | Full Array LED |
| Smart Platform | Roku OS | SmartCast |
| Gaming Features | None mentioned | AMD FreeSync, Auto Game Mode, Low Input Lag |
| Voice Assistant Support | Alexa, Siri, Google Assistant | Alexa, Apple AirPlay 2, Chromecast Built-in |
| Audio Support | Auto Speech Clarity, Night Mode, Bluetooth Headphone Mode | Dolby Atmos, DTS:X Pass-through |
| Free Streaming Access | 500+ free channels including Roku Originals | WatchFree+ with live TV and hundreds of free channels |
Dimension comparison
Price and Value Comparison
The Roku Smart TV is about 58% cheaper than the VIZIO 40-inch D-Series, priced at $99.99 compared to $188.98. This significant price difference makes the Roku model a far more budget-friendly option for those seeking basic smart TV functionality without premium features. While both TVs offer streaming capabilities, the Roku’s lower cost reflects its entry-level positioning, targeting users who prioritize affordability over advanced performance. The VIZIO model, despite being nearly twice as expensive, brings enhanced gaming and picture processing features that justify its higher price point for specific use cases.
Screen Size and Display Quality
The VIZIO 40-inch D-Series offers a larger screen size—40 inches—compared to the Roku Smart TV’s 24-inch display, providing a significantly more immersive viewing experience. The VIZIO also features a Full Array LED backlight, which delivers improved light uniformity and better contrast than the Roku’s standard LED panel. Both TVs support high-definition content, but the VIZIO’s 1080p Full HD resolution provides sharper image clarity than the Roku’s 720p HD. For viewers prioritizing visual detail and screen real estate, especially in larger rooms, the VIZIO’s superior display technology offers a clear advantage.
Streaming and Smart Features
Both TVs run on dedicated smart platforms: Roku’s interface powers the Roku Smart TV, while the VIZIO uses SmartCast. The Roku platform emphasizes simplicity and ease of access, with fast app launches and an intuitive home screen that supports free entertainment through 500+ channels. The VIZIO’s SmartCast includes built-in support for Apple AirPlay 2 and Chromecast, enabling seamless content sharing from iOS and Android devices. Additionally, the VIZIO offers WatchFree+, a feature that grants free access to live TV and hundreds of channels right out of the box. These integrations make the VIZIO more versatile for users already invested in Apple or Google ecosystems.
Gaming Performance
The VIZIO 40-inch D-Series is explicitly designed with gamers in mind, featuring AMD FreeSync and Auto Game Mode to reduce screen tearing and input lag. Its V-Gaming Engine enhances responsiveness for next-gen console gameplay, making it ideal for players seeking smooth, low-latency performance. The Roku Smart TV does not mention any gaming-specific optimizations or features like variable refresh rate or low-latency modes. While the Roku can stream games via apps, it lacks the hardware-level enhancements found in the VIZIO, making the latter a far better choice for serious gamers.
Voice Control and Connectivity
Both TVs support voice assistants, including Alexa compatibility, and allow for voice commands via remote. The Roku Smart TV includes a dedicated voice remote with search across thousands of apps and control over streaming content. The VIZIO model supports Apple AirPlay 2 and Chromecast built-in, offering broader device integration options beyond voice assistants. This means users with Apple devices can wirelessly stream videos, photos, and music directly to the VIZIO without needing additional hardware. The Roku’s voice remote is functional but doesn’t highlight similar cross-platform casting capabilities, limiting its appeal for multi-device households.
Audio and Sound Experience
The Roku Smart TV is designed with clearer speech and louder sound, featuring auto speech clarity and night mode to enhance dialogue intelligibility. It also includes Bluetooth Headphone Mode, allowing private listening without disturbing others. The VIZIO 40-inch D-Series supports immersive audio pass-through for Dolby Atmos and DTS:X, indicating a more advanced audio architecture capable of delivering theater-like surround sound when paired with compatible sound systems. While the Roku focuses on vocal clarity, the VIZIO offers a richer, more dynamic audio experience suitable for movie enthusiasts and audiophiles.
Bestseller Rank and Market Positioning
The Roku Smart TV holds a bestseller rank of 87, indicating strong consumer demand and consistent sales volume. In contrast, the VIZIO 40-inch D-Series has a bestseller rank of 2,930, suggesting lower overall popularity despite its advanced features. This disparity reflects the Roku’s success in capturing mainstream interest with its simple, reliable smart TV experience. The VIZIO, while technically superior in several areas, may struggle to compete in terms of visibility and user adoption due to its higher price and less intuitive interface. The Roku’s top-tier ranking underscores its effectiveness as a value-driven, user-friendly option.
Which should you buy?
Choose the Roku Smart TV if you want a budget-friendly, easy-to-use streaming solution for smaller spaces like bedrooms or kitchens. At $99.99, it’s about 58% cheaper than the VIZIO and ranks #87 in bestsellers, proving its popularity among users who value simplicity and affordability. Opt for the VIZIO 40-inch D-Series only if you need a larger screen, superior gaming performance with AMD FreeSync, and advanced audio support like Dolby Atmos. Despite costing nearly double at $188.98, its full array backlight, SmartCast with Apple AirPlay 2 and Chromecast built-in, and gaming-focused features justify the investment for power users and tech-savvy households.

