We can find Sony X90K is introduced by Sony as the successor of Sony X90J. Sony X90K comes as part of Sony’s 2022 TV lineup while Sony X90J was released as part of Sony’s 2021 TV lineup. Both Sony X90K and X90J come with 4 screen size options. Sony X90K comes with 85-Inch (XR-85X90K), 75-Inch (XR-75X90K), 65-Inch (XR-65X90K) and 55-Inch (XR-55X90K) while Sony X90J comes with 75-Inch (XR-75X90J), 65-Inch (XR-65X90J), 55-Inch (XR-55X90J) and 50-Inch (XR-50X90J). How does Sony X90K Compared to X90J? It’s a good idea to talk about the comparison between Sony X90K and X90J before we can find out what is improved in Sony X90K.
Sony X90K Introduction
Sony X90K is 4K LED TV series that positioned between the higher Sony X95K and the lower Sony X85K in Sony’s 2022 TV lineup. Sony X90K comes with Full Array LED backlight that is completed with local dimming. Full Array Local Dimming is able to deliver excellent contrast between the bright and dark part of the TV screen. The contrast is also enhanced by XR Contrast Booster 10 that brings wider brightness range, XR HDR remaster that reproduces greater depth and textures as well as Dynamic Contrast Enhancer that can adjust the contrast brightness according to the environment. The color technology of Sony X90K is XR Triluminos PRO that allows us to enjoy rich and accurate color details. The color is also enhanced by XR Smoothing that brings more natural color details and Live Color Technology that brings more lively color details. 4K UHD resolution of Sony X90K is completed with XR 4K Upscaling that allows us to enjoy excellent picture clarity not only from original 4K content sources but also from non 4K contents that upscaled into near 4K picture quality. Dual database processing and XR Super Resolution are also integrated with Sony X90K as additional clarity technology. Dual database processing can reduce on screen noise while XR Super Resolution can detect every objects in a picture then upscales their resolution for better details. Sony X90K already supports HDR10, HLG and Dolby Vision so that we can enjoy enhanced details and expanded contrast from wide range of HDR content sources. XR Motion Clarity that based on 120Hz native refresh rate is the motion technology integrated with Sony X90K. It can deliver fluid motion images for our favorite action movies and sports while also can deliver minimum input lag when we use this TV as our gaming monitor. To bring more immersive gaming experience, Sony X90K already supports Variable Refresh Rate (VRR) and Auto Low Latency Mode (ALLM). Cognitive Processor XR is the picture processor integrated with Sony X90K. It can optimize the color, clarity and contrast of the picture delivered on the screen of this TV. Google TV is the operating system of Sony X90K. It can deliver wide range of premium entertainment from our favorite content providers while also allowing us to run wide collection of smart apps with access to Google Play Store. 802.11ac wireless is already attached to Sony X90K to help us easily connect this TV to our home network. Voice Remote Control is already included with Sony X90K to help us to control this TV conveniently. We can also use Google Assistant and Apple AirPlay 2/HomeKit since they are already supported. Sony X90K already supports Bravia CAM that allows us to Video Chat on the big screen of this TV. Bravia CAM is also able to optimize the brightness and sound according to our room condition. The speaker system of Sony X90K is Acoustic Multi-Audio with 10 W + 10 W + 5 W + 5 W audio output. It’s already able to deliver good and quite powerful sound quality. We can also setup additional AV system to enjoy higher quality audio formats since Sony X90K already supports eARC (Enhanced Audio Return Channel).
| Sony X90K Prices | |
| 85-Inch (XR-85X90K) | Check Today’s Price (Walmart.com)… |
| 75-Inch (XR-75X90K) | Check Today’s Price (Walmart.com)… |
| 65-Inch (XR-65X90K) | Check Today’s Price (Walmart.com)… |
| 55-Inch (XR-55X90K) | Check Today’s Price (Walmart.com)… |
Sony X90J Introduction
Sony X90J is 4K LED TV series from Sony’s 2021 TV lineup that is positioned below the higher Sony X95J and the lower Sony X85J. Sony X90J comes with XR Triluminos Pro that allows us to enjoy rich and accurate color details on its screen. XR Triluminos Pro is combined with XR Smoothing that creates more natural color and gradation as well as Live Color Technology that brings more lively color details. Full Array LED with local dimming is already integrated with Sony X90J to bring excellent contrast across its LED screen. The contrast is also enhanced by XR Contrast Booster 5 that provides wider brightness range on the screen of this TV, XR HDR remaster that can reproduce greater depth and Dynamic Contrast Enhancer that can adjust the screen brightness to match the environment’s lighting condition. Sony X90J is able to deliver rich and accurate color details with its XR Triluminos Pro. The color is also enhanced by XR Smoothing that delivers more natural color details and Live Color Technology that brings more lively color details. XR 4K Upscaling is integrated on top of 4K UHD resolution of Sony X90J to brings excellent clarity from both of original 4K content sources and non 4K contents that upscaled into near 4K picture quality. Dual database processing and XR Super Resolution are also integrated as the additional clarity technology of this TV. Dual database processing can reduce on screen noise while XR Super Resolution detects every object in a picture then upscales their resolution for better details. HDR10, HLG and Dolby Vision are already supported by Sony X90J so that we can enjoy enhanced details and expanded contrast from wide range of HDR content sources. XR Motion Clarity is the motion technology of Sony X90J. It’s based on 120Hz native refresh rate that can brings fluid motion images for our favorite action movies and sports as well as allows us to enjoy non lagging gaming experience. Sony X90J also supports Variable Refresh Rate (VRR) and Auto Low Latency Mode (ALLM) to bring more immersive gaming experience when we use this TV as our gaming monitor. The color, clarity and contrast of the picture delivered on the screen of Sony X90J are optimized by Cognitive Processor XR that integrated as the picture processor of this TV. We can enjoy wide range of premium entertainment from our favorite content providers with Google TV integrated as the operating system of Sony X90J. Google TV is also connected to Play Store that allows us to run wide range of additional smart apps. To help us easily connect this TV to our home network, 802.11ac wireless is already attached to this TV. We can control Sony X90J conveniently with both its included Voice Remote Control as well as Google Assistant and Apple AirPlay 2/HomeKit that already supported. The speaker system integrated with Sony X90J is Acoustic Multi-Audio powered by 10 W + 10 W. It’s indeed quite basic speaker system but basically still can deliver good sound quality. eARC (Enhanced Audio Return Channel) is already supported by Sony X90J that allows us to enjoy higher quality audio formats with additional AV system.
| Sony X90J Prices | |
| 75-Inch (XR-75X90J) | Check Today’s Price (Walmart.com)… |
| 65-Inch (XR-65X90J) | Check Today’s Price (Walmart.com)… |
| 55-Inch (XR-55X90J) | Check Today’s Price (Walmart.com)… |
| 50-Inch (XR-50X90J) | Check Today’s Price (Walmart.com)… |
Similarities & Differences Table
Let’s take a look at the key specs and features of Sony X90K and X90J in the similarities & differences table below. It’s important for us to look at their specs and features before we can talk more about their comparison.
| Sony X90K |
Sony X90J | |||||||||
| Similarities | ||||||||||
| Brand | Sony | Sony | ||||||||
| Resolution | 4K UHD | 4K UHD | ||||||||
| Display Technology | LED | LED | ||||||||
| Backlight Technology | Full Array LED | Full Array LED | ||||||||
| Dimming Technology | Local Dimming | Local Dimming | ||||||||
| Contrast Technology |
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| Clarity Technology |
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| Color Technology |
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| HDR Support |
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| Motion Technology | XR Motion Clarity (120Hz Native) | XR Motion Clarity (120Hz Native) | ||||||||
| Gaming Technology |
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| Picture Processor | Cognitive Processor XR | Cognitive Processor XR | ||||||||
| Operating System | Google TV | Google TV | ||||||||
| Remote Control | Voice Remote Control | Voice Remote Control | ||||||||
| Control Support |
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| Built-in Wifi | 802.11ac | 802.11ac | ||||||||
| Sound Technology |
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| HDMI/USB | 4/2 | 4/2 | ||||||||
| Differences | ||||||||||
| Introduced | 2022 | 2021 | ||||||||
| XR Contrast Booster Version | XR Contrast Booster 10 | XR Contrast Booster 5 | ||||||||
| Bravia CAM | Compatible | Not Compatible | ||||||||
| Audio Power Output | 10 W + 10 W + 5 W + 5 W | 10 W + 10 W | ||||||||
| Price | Higher | Lower | ||||||||
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How does Sony X90K Compared to X90J?
Let’s talk more about comparison of Sony X90K and X90J based on their specs and features that we can find in the similarities & differences table above.
Picture Technology
Both Sony X90K and X90J come with Full Array LED backlight that is completed with local dimming. Full Array Local Dimming allows us to enjoy excellent picture clarity between the bright and dark part of the TV screen. The contrast of Sony X90K and X90J are enhanced by XR Contrast Booster that brings wider brightness range, XR HDR remaster that can reproduce greater depth and Dynamic Contrast Enhancer that adjust the contrast according to the environment’s lighting condition. We can find that the XR Contrast Booster integrated with Sony X90K and X90J are different. Sony X90K comes with XR Contrast Booster 10 while Sony X90J comes with XR Contrast Booster 5. XR Contrast Booster 10 is able to deliver brighter contrast on the screen of Sony X90K than XR Contrast Booster 5 of Sony X90J.
4K UHD resolution of Sony X90K and X90J are completed with XR 4K Upscaling that allows us to 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 those two TVs is also enhanced by Dual database processing that can reduce on screen noise and XR Super Resolution that detects each object in a picture then upscales their resolution for better details.
XR TRILUMINOS PRO is integrated as the color technology of Sony X90K and X90J. It can bring rich and accurate color details on the screen of those two TVs. The color is also enhanced by XR Smoothing that brings more natural and smoother color details on the screen of Sony X90K and X90J as well as Live Color Technology that brings more lively color details.
Motion and Gaming Technology
The motion technology of Sony X90K and X90J are similar. They both come with XR Motion Clarity that is based on 120Hz native refresh rate. XR Motion Clarity is able to deliver smooth motion images for our favorite action movies and sports while also allows us to enjoy minimum input lag when we use this TV as our gaming monitor. We can also find that both Sony X90K and X90J already support Variable Refresh Rate (VRR) and Auto Low Latency Mode (ALLM) as well as HDMI 2.1 that allows us to enjoy more immersive gaming experience.
Operating System and Remote Control
The operating system of Sony X90K and X90J are similar. They both come with Google TV that allows us to enjoy wide range of premium entertainment. Google TV is already connected to Google Play Store that allows us to run wide collection of smart apps on the screen of those two TVs. Sony X90K already supports Bravia CAM that allows us to Video Chat on the TV’s big screen. Bravia CAM also can optimize the picture and sound according to our watching environment.
The remote control that included with Sony X90K and X90J are also similar. They both come with Voice Remote Control. We can also control Sony X90K and X90J conveniently with Google Assistant and Apple Airplay 2/ HomeKit since they are already supported.
Sound Technology
Both Sony X90K and X90J come with Acoustic Multi-Audio speaker type, but they are different when it comes to audio power output. Sony X90K comes with 10 W + 10 W + 5 W + 5 W audio power output while Sony X90J comes with only 10 W + 10 W Audio power output. 10 W + 10 W + 5 W + 5 W audio power output is able to deliver more powerful surround sound than 10 W + 10 W audio power output. We can also find that both Sony X90K and X90J already support eARC (Enhanced Audio Return Channel) so that we can enjoy higher quality audio formats with additional AV system.
Price
We can find that Sony X90K is normally offered at the higher price than Sony X90J for similar screen size option. Since TV prices often change from time to time, it’s necessary for us to check the price of Sony X90J and X90J before we can find their latest price difference.
What is Improved in Sony X90K?
Since it’s positioned as the successor series, we expect some improvements in Sony X90K. What is improved in Sony X90K? The main improvements of Sony X90K come from its X-Contrast Booster and Bravia CAM Support. Sony X90K comes with better X-Contrast Booster 10 that can deliver brighter contrast on its screen. Sony X90K also supports Bravia CAM that allows us to do video chat on the TV’s big screen while also can adapt the picture and sound to match the watching environment. So, if you are interested in brighter contrast and Bravia CAM support, then Sony X90K is the one to choose.
| Sony X90K Prices | |
| 85-Inch (XR-85X90K) | Check Today’s Price (Walmart.com)… |
| 75-Inch (XR-75X90K) | Check Today’s Price (Walmart.com)… |
| 65-Inch (XR-65X90K) | Check Today’s Price (Walmart.com)… |
| 55-Inch (XR-55X90K) | Check Today’s Price (Walmart.com)… |
Sony X90J is the predecessor of Sony X90K that is usually offered at a lower price. As the predecessor series, Sony X90J is basically similar to Sony X90K except that it comes with less advanced XR Contrast Booster version (XR Contrast Booster 5) while it’s also not compatible with Bravia CAM. If your budget is more limited and you don’t mind with less bright screen and the absence of Bravia CAM support then Sony X90J is the one that you can choose.
| Sony X90J Prices | |
| 75-Inch (XR-75X90J) | Check Today’s Price (Walmart.com)… |
| 65-Inch (XR-65X90J) | Check Today’s Price (Walmart.com)… |
| 55-Inch (XR-55X90J) | Check Today’s Price (Walmart.com)… |
| 50-Inch (XR-50X90J) | Check Today’s Price (Walmart.com)… |