Sony A90K vs A90J: What Should You Know about Their Similarities & Differences?

We can find Sony A90K and A90J as two of several options available for Sony 4K OLED TV in 2022. Sony A90K is introduced as part of Sony’s 2022 TV lineup while Sony A90J was released as part of the older 2021 TV lineup. It’s easy to guess that Sony A90K is the successor of Sony A90J although it’s not 100% correct. Sony A90K comes with only two screen size options: 48-Inch (XR48A90K) and 42-Inch (XR42A90K) while Sony A90J is offered with 3 screen size options: 83-Inch (XR83A90J), 65-Inch (XR65A90J) and 55-Inch (XR55A90J). Which one is more suitable for you? In this article, we will talk about similarities and differences between Sony A90K and A90J before we can find out which of them is the more suitable. choice

Similarities of Sony A90K and A90J

There are a number of similarities between Sony A90K and A90J since they are both introduced as 4K OLED TV series from Sony. Before we talk more about their similarities, let’s take a look at their similar specs and features in the table below.

Sony A90K Sony A90J
Display Type OLED OLED
Display Resolution 4K UHD 4K UHD
Clarity Technology
  • XR 4K Upscaling
  • Dual database processing
  • XR Super Resolution
  • XR 4K Upscaling
  • Dual database processing
  • XR Super Resolution
Contrast Technology
  • OLED XR Contrast Pro
  • XR HDR remaster
  • Dynamic Contrast Enhancer
  • Pixel Contrast Booster
  • OLED XR Contrast Pro
  • XR HDR remaster
  • Dynamic Contrast Enhancer
  • Pixel Contrast Booster
Color Technology
  • XR Triluminos Pro
  • XR Smoothing
  • Live Color Technology
  • XR Triluminos Pro
  • XR Smoothing
  • Live Color Technology
HDR Support
  • Dolby Vision
  • HDR10
  • HLG
  • Dolby Vision
  • HDR10
  • HLG
Motion Technology XR OLED Motion (120Hz Native) XR Motion Clarity (120Hz Native)
Gaming Technology
  • Variable Refresh Rate (VRR)
  • Auto Low Latency Mode (ALLM)
  • HDMI 2.1
  • Variable Refresh Rate (VRR)
  • Auto Low Latency Mode (ALLM)
  • HDMI 2.1
Picture Processor Cognitive Processor XR Cognitive Processor XR
Operating System Google TV (Android TV) Google TV (Android TV)
Remote Control Premium Backlit Remote Premium Backlit Remote
Control Support
  • Google Assistant
  • Apple Airplay2/Homekit
  • Google Assistant
  • Apple Airplay2/Homekit
ATSC 3.0 (NextGen TV) YES YES
Built-in Wi-fi 802.11ac 802.11ac
Sound Technology
  • Acoustic Surface Audio+
  • eARC (Enhanced Audio Return Channel)
  • Acoustic Surface Audio+
  • eARC (Enhanced Audio Return Channel)
Sony A90K
Sony A90K

Based on the table of similarities above, we can talk more about similarities between Sony A90K and A90J

1. Clarity Technology

Both of Sony A90K and A90J come with 4K UHD resolution. We can find XR 4K Upscaling integrated on top of their 4K UHD resolution so that we can enjoy excellent picture clarity not only from original 4K content sources but also from non 4K contents that upscaled into near 4K picture quality. The clarity of Sony A90K and A90J is also enhanced by Dual database processing and XR Super Resolution. Dual database processing can reduce on-screen noise especially for upscaled non 4K contents while XR Super Resolution detects objects in a picture then upscale their resolution for better details.

2. Contrast Technology

Since they both come with OLED panels, Sony A90K and A90J are able to deliver perfect black and infinite contrast with the ability of its pixels to be completely powered off and dimmed autonomously (pixel level dimming). The contrast of Sony A90K and A90J are also enhanced by OLED XR Contrast Pro, XR HDR remaster, Dynamic Contrast Enhancer and Pixel Contrast Booster. OLED XR Contrast Pro can deliver higher peak brightness for the OLED panel of Sony A90K and A90J, XR HDR remaster can brings more natural contrast, Dynamic Contrast Enhancer can adjust the contrast to match the environment’s lighting condition while Pixel Contrast Booster can boost the peak brightness of the OLED pixels.

3. Color Technology

OLED panels of Sony A90K and A90J that combined with XR Triluminos Pro can bring rich and accurate color details on the screen of those two TVs. The color quality is also enhanced by XR Smoothing and Live Color Technology. XR Smoothing can create more natural color while Live Color Technology brings more lively color details.

4. HDR Support and Picture Processor

Both of Sony A90K and A90J already support HDR10, HLG and Dolby Vision. With HDR10, HLG and Dolby Vision support, we can enjoy enhanced details and expanded contrast from wide range of HDR content sources. We can also find that the picture processor integrated with Sony A90K and A90J are similar. They both are powered by Cognitive Processor XR picture processor. Cognitive Processor XR can optimize the color, clarity and contrast of the picture delivered on the screen of those two TVs.

5. Motion and Gaming Technology

The motion technology of Sony A90K is XR OLED Motion while the motion technology of Sony A90J is XR Motion Clarity. Although they look different, basically XR OLED Motion and XR Motion Clarity are similar motion technology that is based on 120Hz native refresh rate. 120Hz native refresh rate is able to deliver smooth motion images for our favorite action movies and sports. 120Hz native refresh also can bring minimum input lag when we use those two TVs as our gaming monitor. Both of Sony A90K and A90J already support Variable Refresh Rate (VRR) and Auto Low Latency Mode (ALLM) on top of their HDMI 2.1 that allow us to enjoy more immersive gaming experience.

6. Operating System and Remote Control

Google TV (Android TV) is integrated as the operating system of Sony A90K and A90J. Google TV is able to deliver wide range of premium entertainment from our favorite content providers while also allows us to run wide collection of smart apps with the access to Google Play Store. 802.11ac wireless is already attached with both Sony A90K and A90J so that we can easily connect this TV to our home network. We can also enjoy 4K HDR OTA (Over the Air) entertainment on the screen of those two TVs since they are already completed with ATSC 3.0 (NextGen TV).

The remote control included with Sony A90K and A90J are Premium Backlit Remote. Premium Backlit remote allows us to control those two TVs conveniently even in dark watching environment. We can also use Google Assistant as well as Apple HomeKit/Air Play 2 to control those two TVs since they are already supported.

7. Sound Technology

The speaker system integrated with Sony A90K and A90J are similar although they are indeed different in audio power output. Both of Sony A90K and A90J come with Acoustic Surface Audio+ that can bring good sound quality for those two TVs. We can also setup additional AV system with eARC (Enhanced Audio Return Channel) of Sony A90K and A90J to enjoy higher quality audio formats.

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Differences of Sony A90K and A90J

There are few differences between Sony A90K and A90J besides a number of similarities that we have talked above. We can find the different specs and features of Sony A90K and A90J in the table below.

Sony A90K Sony A90J
Introduced 2022 2021
Bravia CAM Compatible Not Compatible
Screen Size Options
  • 48-Inch (XR48A90K)
  • 42-Inch (XR42A90K)
  • 83-Inch (XR83A90J)
  • 65-Inch (XR65A90J)
  • 55-Inch (XR55A90J)
Audio Power Output 10 W + 10 W + 5 W 20 W + 20 W + 10 W + 10 W
Price Basically Similar Basically Similar
48-Inch (XR48A90K)

Check Today’s Price…

42-Inch (XR42A90K)

Check Today’s Price…

83-Inch (XR83A90J)

Check Today’s Price (Walmart.com)…

65-Inch (XR65A90J)

Check Today’s Price (Walmart.com)…

55-Inch (XR55A90J)

Check Today’s Price (Walmart.com)…

Sony A90J
Sony A90J

Let’s talk more about the differences between Sony A90K and A90J based on the table of differences above.

1. Bravia CAM Compatibility

Sony A90K and A90J come from different lineup years. Sony A90K comes as part of 2022 TV lineup while Sony A90J comes as part of 2021 TV lineup. As part of the newer 2022 TV lineup, Sony A90K is already compatible with Bravia CAM. With Bravia CAM, we can video chat on the TV’s big screen while it also allows ambient optimization pro to optimize the picture and sound according to the room condition.

2. Screen Size Options

Sony A90K and A90J are offered with different screen size options. Sony A90K comes with smaller 48-Inch (XR48A90K) and 42-Inch (XR42A90K) screen size options while Sony A90J is offered with larger screen size options: 83-Inch (XR83A90J), 65-Inch (XR65A90J) and 55-Inch (XR55A90J).

3. Audio Power Output

While both of Sony A90K and A90J come with Acoustic Surface Audio+ speaker system, we can find that the audio power output of those two TVs are different. Sony A90K comes with 10 W + 10 W + 5 W audio power output while Sony A90J comes with 20 W + 20 W + 10 W + 10 W audio power output. With 20 W + 20 W + 10 W + 10 W audio power output, Sony A90J is able to delivers richer and more powerful sound than Sony A90K with 10 W + 10 W + 5 W audio power output.

4. Price

When it comes to price, we can find that Sony A90K is offered at the lower price than Sony A90J since it indeed comes with smaller screen size options. Basically, we can say that Sony A90K and A90J are relatively similar in price if we consider their smaller-larger screen size. It’s recommended for us to check the price of those two TVs before we order one as TV prices often change over time.

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Which One is More Suitable for You?

Most of specs and features of Sony A90K and A90J are similar. As the newer version, Sony A90K is already compatible with Bravia CAM while offered with only smaller screen size options (48-Inch and 42-Inch). If you are looking for smaller screen size options (48-Inch or 42-Inch) then Sony A90K is the one that more suitable for you. You also can get Bravia CAM compatibility as an additional bonus.

Sony A90K Prices
48-Inch (XR48A90K) Check Today’s Price…
42-Inch (XR42A90K) Check Today’s Price…

Sony A90J is the older series from Sony’s 2021 TV lineup. It comes with larger screen size options than Sony A90K (83-Inch, 65-Inch and 55-Inch). So, if you are looking for larger screen size options, then Sony A90J is the more suitable choice for you. Sony A90J also comes with more powerful audio power output as an additional bonus.

Sony A90J Prices
83-Inch (XR83A90J) Check Today’s Price (Walmart.com)…
65-Inch (XR65A90J) Check Today’s Price (Walmart.com)…
55-Inch (XR55A90J) Check Today’s Price (Walmart.com)…

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