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Roku Smart TV – 43-Inch Select Series, 4K HDR TV – vs VIZIO 40-inch D-Series Full HD 1080p Smart TV with

Updated August 2026 — Roku Smart TV – 43-Inch Select Series, 4K HDR TV – wins on display and sound, VIZIO 40-inch D-Series Full HD 1080p Smart TV with wins on gaming and price.

The Roku Smart TV offers superior display quality and a more extensive streaming library, making it the better choice overall.

Why Roku Smart TV – 43-Inch Select Series, 4K HDR TV – is better

Display Quality

Roku offers 4K HDR resolution.

Streaming Options

Roku has over 500 free channels.

Smart Features

Roku's interface is more user-friendly.

Why VIZIO 40-inch D-Series Full HD 1080p Smart TV with is better

Gaming Performance

VIZIO has a dedicated gaming engine.

Price

VIZIO is slightly cheaper.

Sales Rank

VIZIO has a better sales rank.

Overall score

Roku Smart TV – 43-Inch Select Series, 4K HDR TV –
85
VIZIO 40-inch D-Series Full HD 1080p Smart TV with
78

Specifications

SpecRoku Smart TV – 43-Inch Select Series, 4K HDR TV –VIZIO 40-inch D-Series Full HD 1080p Smart TV with
Resolution4K HDR1080p
Screen Size43 inches40 inches
Voice ControlYesYes
Channels500+Varies
Gaming ModeNoYes

Dimension comparison

Roku Smart TV – 43-Inch Select Series, 4K HDR TV –VIZIO 40-inch D-Series Full HD 1080p Smart TV with

Design and Display Quality

When it comes to design and display quality, the Roku Smart TV features a 43-inch flat screen with 4K HDR resolution, while the VIZIO offers a smaller 40-inch screen with Full HD 1080p resolution. The Roku TV’s 4K capability provides sharper images and richer detail, making it a better choice for viewers who enjoy high-definition content. With HDR10 technology, colors on the Roku Smart TV appear more lifelike and vibrant. In contrast, the VIZIO’s 1080p resolution delivers crisp images but lacks the depth and clarity of 4K. The difference in price is marginal, with the Roku Smart TV priced at $198.00 and the VIZIO at $188.98, making it about 5% more expensive.

Smart Features and Usability

The Roku Smart TV excels in smart features, boasting an extensive library of over 500 channels and an intuitive interface that simplifies navigation. It includes automatic software updates to ensure access to the latest apps and features. The enhanced voice remote allows users to search across thousands of apps effortlessly. Conversely, the VIZIO D-Series offers the SmartCast platform, which provides access to popular streaming services and includes built-in Apple AirPlay and Chromecast. While both TVs support voice commands with Alexa compatibility, the Roku Smart TV’s user-friendly setup and expansive content options make it a more attractive choice for those who prioritize smart features.

Gaming Performance

For gamers, the VIZIO D-Series stands out with its V-Gaming Engine that optimizes picture modes for gaming and includes features like Auto Game Mode and Variable Refresh Rate with AMD FreeSync, which helps reduce input lag. Although the Roku Smart TV does not specifically highlight gaming features, its fast Wi-Fi and responsive interface allow for decent gaming experiences. The VIZIO’s focus on gaming makes it particularly appealing for those who engage in console gaming. However, the Roku Smart TV’s superior display quality may still provide a better visual experience for casual gaming.

Sound Quality

In terms of sound quality, the Roku Smart TV is designed with clear speech and louder sound in mind, enhancing the overall viewing experience. It includes features like Bluetooth Headphone Mode, which lets users enjoy content without disturbing others. The VIZIO D-Series, while capable, does not emphasize sound quality in its description. It does support immersive audio pass-through for Dolby Atmos and DTS:X, but lacks mention of any specific enhancements for speech clarity. For those who value sound quality, the Roku Smart TV may provide a more fulfilling audio experience.

Streaming Options

Both the Roku Smart TV and VIZIO D-Series offer robust streaming options. The Roku Smart TV shines with its extensive selection of over 500 free channels and award-winning Roku Originals. It allows users to easily find and access their favorite shows and movies. On the other hand, the VIZIO D-Series features SmartCast, which provides instant access to popular streaming apps like Netflix and Disney+. While both TVs have strong streaming capabilities, the Roku Smart TV’s greater variety of free content and user-friendly interface gives it an edge in this category.

Price and Value

The Roku Smart TV is currently priced at $198.00, while the VIZIO D-Series retails for $188.98, making the VIZIO about 5% cheaper. Despite the minimal price difference, the Roku Smart TV offers enhanced features such as 4K resolution, a wider selection of streaming channels, and a more comprehensive smart interface. When considering overall value, the Roku Smart TV may offer more entertainment options for just a slightly higher cost, appealing to consumers looking for a richer viewing experience.

Sales Rank and Popularity

In terms of sales rank, the VIZIO D-Series holds a stronger position at number 2930, compared to the Roku Smart TV at 4148. A lower sales rank indicates higher popularity and demand, suggesting that consumers may favor the VIZIO for its performance and features. However, the Roku Smart TV's ability to deliver high-quality 4K content and extensive smart capabilities may appeal to a different segment of buyers who prioritize quality over popularity.

Which should you buy?

Ultimately, the choice between the Roku Smart TV and the VIZIO D-Series depends on individual preferences and needs. If you prioritize display quality, extensive streaming options, and user-friendly features, the Roku Smart TV is a solid choice, despite being slightly more expensive. However, if you're looking for a more budget-friendly option with good gaming capabilities and solid performance, the VIZIO D-Series is worth considering. Both TVs offer great features, but the Roku Smart TV edges out with its superior resolution and comprehensive smart functionality.