Sony A90K Review: Is This 42-Inch OLED TV Still Worth Buying?

If you are searching for a compact premium OLED TV, the Sony A90K remains an interesting option. Released as part of Sony’s 2022 BRAVIA XR lineup, the A90K was designed specifically for people who want flagship-style picture quality in a smaller screen size. Unlike many premium OLED televisions that begin at 55 inches, the A90K is available in 42-inch and 48-inch versions, making it suitable for bedrooms, smaller living rooms, apartments, desks, and gaming setups.

The 42-inch model is officially designated the XR-42A90K. It features a 4K OLED panel, a 120Hz refresh rate, Sony’s Cognitive Processor XR, Google TV, Dolby Vision, HDMI 2.1 features, VRR, and 4K/120 gaming support. Sony also equips the television with Acoustic Surface Audio+, allowing sound to come directly from the screen.

For shoppers researching a 43 inch TV Sony model, there is an important detail to understand: the A90K is marketed as a 42-inch television rather than a true 43-inch model. Its actual measured screen size is approximately 41.5 inches. So if you searched for a TV 43 inch Sony, the A90K may still appear in your results because it belongs to the same compact-TV category.

Sony A90K at a Glance

The Sony A90K combines a compact OLED display with Sony’s premium image-processing technology. Here are some of its most important specifications:

Sony confirms that the A90K has four HDMI inputs, with HDMI 2.1 capabilities including 4K/120, VRR, and ALLM. The display also supports HDR10, HLG, and Dolby Vision.

What Is the Sony A90K?

The Sony A90K is a premium 4K OLED television from Sony’s BRAVIA XR MASTER Series. It was introduced in 2022 as a compact OLED option rather than a traditional large-screen flagship.

That positioning is important. Someone looking for a large family-room television might prefer a larger model, but the A90K targets viewers who specifically want premium OLED technology without moving to a 55-inch or larger screen.

The television uses self-emissive OLED pixels. Because OLED pixels can turn themselves off individually, the panel can produce very deep blacks without requiring a conventional backlight. This is one of the biggest reasons OLED televisions are attractive for movies and dark-room viewing.

Sony pairs the OLED panel with its Cognitive Processor XR. The company describes the processor as being designed to produce natural and realistic images through advanced picture processing. The A90K also includes technologies such as XR 4K Upscaling, XR OLED Contrast Pro, XR HDR Remaster, and XR TRILUMINOS Pro.

Is the A90K a 43 Inch TV Sony Model?

Not exactly.

If you are searching specifically for a 43 inch TV Sony, you should know that the A90K is officially a 42-inch-class television. Sony lists the screen size as 42 inches, with an actual measured diagonal of approximately 41.5 inches.

This distinction is common in television shopping. Manufacturers use class sizes rather than always advertising the exact physical diagonal measurement. Therefore, a shopper searching for a compact Sony 43 inch television may encounter the A90K even though its official class size is 42 inches.

The compact dimensions are one of its biggest advantages. Without the stand, the 42-inch model measures approximately 36.73 inches wide, 21.50 inches high, and 2.24 inches deep. It weighs about 29.3 pounds without the stand.

That makes it considerably easier to fit into smaller spaces than a conventional 55-inch or 65-inch OLED.

Picture Quality

Picture quality is the primary reason to consider the A90K.

The OLED panel provides excellent black levels because individual pixels can be controlled independently. This is particularly useful when watching movies with dark scenes, nighttime sequences, or content with strong contrast between bright and dark areas.

Sony’s processing is another major part of the experience. The Cognitive Processor XR works with Sony’s picture-processing technologies to improve clarity, color, contrast, and the appearance of lower-resolution content.

The A90K has a native 3840 × 2160 resolution, meaning it is a 4K Ultra HD television. It also supports a 120Hz panel refresh rate, which is valuable for both fast-moving video and compatible gaming.

For everyday streaming, movies, sports, and console gaming, the combination of OLED and Sony processing makes the A90K a strong compact premium-TV option.

HDR Support

HDR is another strong point.

The Sony A90K supports HDR10, HLG, and Dolby Vision.

Dolby Vision is especially useful for compatible streaming and movie content because it can provide dynamic HDR information that allows compatible displays to adjust picture characteristics scene by scene.

The A90K also supports IMAX Enhanced content and includes dedicated picture modes for different types of viewing. Sony lists modes such as Cinema, IMAX Enhanced, Game, Dolby Vision Bright, Dolby Vision Dark, and Netflix Calibrated Mode.

This makes the television flexible enough for people who watch different types of content throughout the day.

Gaming Performance

If you are shopping for a compact gaming television, the A90K deserves attention.

Sony includes HDMI 2.1 features such as 4K/120, VRR, and ALLM. The company states that compatible gaming input can achieve input lag as low as 8.5ms at 4K/120 in Game Mode.

The television also includes Sony’s PS5-focused features. Auto HDR Tone Mapping and Auto Genre Picture Mode are designed to work with compatible PlayStation 5 setups.

For console gamers who want a smaller display, this is one of the A90K’s strongest selling points.

However, buyers should consider their priorities. Modern OLED gaming monitors and newer OLED TVs can offer refresh rates beyond 120Hz. Independent comparison testing has also found newer alternatives with higher refresh rates and greater brightness.

So the A90K is still capable for gaming, but its value depends heavily on the price you find.

HDMI and Connectivity

Connectivity is important when a television is being used as the center of a gaming or entertainment system.

The A90K provides four HDMI inputs. HDMI 3 and HDMI 4 support the television’s 4K/120, VRR, and ALLM capabilities, while eARC is also supported.

The television also includes:

• Wi-Fi
• Bluetooth
• Ethernet
• USB ports
• Apple AirPlay
• Apple HomeKit
• Built-in Chromecast
• Google TV
• HDMI-CEC through BRAVIA Sync

This selection should be sufficient for most home entertainment setups.

Google TV Experience

The A90K uses Google TV, giving users access to a broad smart-TV ecosystem. Sony lists Google TV as the smart-TV platform and confirms support for Google Assistant, streaming services, Chromecast, and AirPlay.

For someone buying a Sony 43 inch television primarily for streaming, this is an important advantage.

Instead of relying on an external streaming device for everyday services, users can access compatible apps directly through the television.

The interface also makes the A90K suitable for mixed households where different people watch different services.

Sound Quality

The A90K is not just focused on picture quality.

Sony uses Acoustic Surface Audio+ technology. Instead of relying exclusively on conventional downward-facing speakers, the technology uses actuators to make the screen itself contribute to sound production.

Sony lists the speaker configuration as two actuators and one subwoofer, with total audio output of 25W. The television supports Dolby Atmos and Dolby Audio.

This approach can make dialogue and on-screen sound feel more connected to what is happening visually.

A dedicated soundbar can still provide a larger soundstage and stronger bass, but the built-in system is more sophisticated than what many compact televisions offer.

Design and Size

The compact form factor is one of the biggest reasons to consider the A90K.

The 42-inch version is approximately 36.73 inches wide. With the standard stand, its height is approximately 21.69 inches, while its depth is approximately 8.86 inches.

Sony also provides a two-way stand position, including a standard position and a soundbar position.

This can be useful if you plan to place a soundbar underneath the television.

The thin OLED panel also gives the television a premium appearance. For a bedroom, office, apartment, or compact entertainment center, the dimensions are much easier to manage than those of larger OLED TVs.

Sony Bravia TV Old vs. A90K

People searching for Sony Bravia TV old models may come across several generations of Sony OLED and LCD televisions.

The A90K itself is not a brand-new model. It was introduced in 2022. However, being an older generation does not automatically make it a poor television.

In fact, premium televisions from previous generations can become attractive when retailers reduce their prices.

The key is comparing the A90K with current models rather than purchasing it simply because it carries the BRAVIA name.

A discounted older OLED can provide excellent value, but a newer television may offer greater brightness, a newer processor, additional gaming features, or a longer expected software-support window.

Sony 42 Inch TV: Who Should Buy the A90K?

A Sony 42 inch TV can make sense for several types of buyers.

First, it is a good size for people who sit relatively close to the screen. A 42-inch display can provide an immersive 4K experience without dominating a small room.

Second, it is attractive for gaming desks and compact gaming rooms. The 120Hz panel and HDMI 2.1 gaming features give it capabilities that basic 43-inch TVs often lack.

Third, movie enthusiasts who want OLED contrast in a smaller size may appreciate the A90K.

It is also worth considering if you want a premium television for a bedroom or apartment but do not have enough space for a larger model.

Who Should Skip the A90K?

The A90K is not perfect for everyone.

If your main priority is maximum brightness in a very bright room, a newer high-brightness OLED or premium mini-LED TV may be a better fit.

If you want the highest possible gaming refresh rate, newer 144Hz OLED displays may be more appealing. Independent testing comparing the A90K with newer OLED models notes that newer competitors can provide higher refresh rates and greater brightness.

Price is another consideration. Because the A90K launched in 2022, paying a premium price for remaining inventory may not make sense when newer televisions are available at similar prices.

The best buying opportunity is usually when the A90K is significantly discounted.

A90K vs. a Typical 43-Inch TV

When comparing a 43 inch TV Sony model with the A90K, do not judge the televisions only by their screen size.

Many 43-inch televisions use LED or QLED panels, while the A90K uses OLED technology.

The difference can be substantial in dark-room viewing. OLED can deliver much deeper blacks and excellent contrast, while conventional LED televisions can have advantages in brightness and sometimes price.

A basic 43-inch television may be the better choice for casual viewing and budget shopping. The A90K makes more sense for someone who specifically values premium picture quality, gaming performance, and compact OLED design.

Therefore, the right choice depends on what you actually watch and how much you are willing to spend.

A90K vs. Other Sony 43-Inch Options

If your search begins with TV 43 inch Sony, you should also look at Sony’s current and previous compact models before buying.

The important question is whether you want:

1. OLED picture quality
2. Lower purchase price
3. Higher brightness
4. Gaming features
5. A newer model year
6. A specific smart-TV platform
7. Better long-term value

The A90K stands out primarily because of its OLED panel and premium processing.

If those features are not important to you, a less expensive Sony television may provide better overall value.

Is the Sony A90K Good for Movies?

Yes, movies are one of its strongest use cases.

OLED’s ability to produce deep blacks makes it particularly attractive for cinematic content. Sony also includes dedicated Cinema, Dolby Vision, IMAX Enhanced, and Netflix-oriented picture modes.

The combination of contrast, color processing, and 4K resolution can produce a highly immersive image in a dark or moderately lit room.

If you mostly watch movies at night, the A90K’s strengths become even more noticeable.

Is the Sony A90K Good for Sports?

Sports viewers can also benefit from the 120Hz panel.

Fast movement can look smoother on a high-refresh-rate display, and Sony’s motion-processing technologies are designed to improve the appearance of moving images.

However, room brightness should be considered. If your viewing area receives substantial direct sunlight, a newer and brighter display may be preferable.

Is the A90K Worth Buying in 2026?

This is where the buying decision becomes more complicated.

The A90K was released in 2022, so it should be treated as an older premium model rather than a current-generation television. Sony still lists the 42-inch A90K on its U.S. website, with the product page showing an MSRP of $1,299.99 at the time of checking.

However, MSRP should not automatically be treated as the best price.

Because newer OLED televisions exist, shoppers should compare the actual sale price of the A90K with current-generation alternatives.

If you find the A90K at a substantial discount, it can still be an appealing compact OLED. If the price is close to newer models, buying the newer television may provide better long-term value.

In other words, the A90K is a model where price matters enormously.

Final Verdict

The Sony A90K remains a compelling compact OLED television for shoppers who prioritize picture quality, Sony processing, gaming features, and premium design.

Its 42-inch class size makes it particularly unusual because premium OLED televisions are often much larger. For a small living room, bedroom, office, apartment, or gaming setup, that compact size can be a major advantage.

The television provides 4K resolution, a 120Hz refresh rate, OLED contrast, Dolby Vision, Google TV, four HDMI inputs, HDMI 2.1 gaming features, VRR, ALLM, and Sony’s Acoustic Surface Audio+ technology.

For shoppers searching for a Sony 42 inch TV, the A90K is one of the most premium options to consider.

For people searching for a Sony 43 inch television, remember that the A90K is officially a 42-inch-class model. Its actual measured diagonal is approximately 41.5 inches, so it fits naturally into the compact 42–43-inch TV category.

The biggest reason to buy it today is not simply that it is a Sony OLED. The key is finding the right price.

If the A90K is heavily discounted compared with newer OLED models, it can still be a very attractive purchase. If it costs roughly the same as a newer television with higher brightness or a faster gaming panel, the newer option deserves serious consideration.

Frequently Asked Questions

Is the Sony A90K a 43-inch TV?

No. The A90K is officially offered in 42-inch and 48-inch classes. The 42-inch model has an actual diagonal measurement of approximately 41.5 inches.

Is the Sony A90K OLED?

Yes. The XR-42A90K uses an OLED panel with 4K resolution and a 120Hz refresh rate.

Does the Sony A90K support 4K 120Hz?

Yes. Sony specifies 4K/120 support along with VRR and ALLM through its HDMI 2.1 functionality.

Does the A90K work with PS5?

Yes. Sony provides PS5-specific features including Auto HDR Tone Mapping and Auto Genre Picture Mode.

Does the A90K have Google TV?

Yes. The A90K uses Google TV and supports Google Assistant, Chromecast, and AirPlay.

Is the A90K still worth buying?

It can be, especially when heavily discounted. Because it is a 2022 model, buyers should compare its current price with newer OLED televisions before purchasing.

What is the difference between a Sony 42 inch TV and a Sony 43 inch television?

The difference can be very small in physical size. Sony’s A90K is marketed as a 42-inch-class television, while many competing televisions are marketed as 43-inch models. Always check the manufacturer’s actual dimensions rather than relying only on the class-size label.

Bottom Line

The Sony A90K is a premium compact OLED that continues to make sense for a specific type of buyer: someone who wants Sony’s picture processing and OLED contrast in a smaller 42-inch-class package.

It is especially attractive for movies, streaming, console gaming, and smaller rooms. The 120Hz panel, HDMI 2.1 features, Dolby Vision, Google TV, and Acoustic Surface Audio+ give it a strong feature set.

But because it is an older 2022 model, buy it for the value, not simply for the name. Check the current price against newer OLED alternatives before making your final decision.