It’s easy to guess Sony X90CK is introduced as the successor of Sony X90CJ. Both Sony X90CK and X90CJ come as exclusive series. Sony X90CK is the exclusive series of Sony X90K from Sony’s 2022 TV lineup while Sony X90CJ is the exclusive series of Sony X90J from Sony’s 2021 TV lineup. We can find that both Sony X90CK and X90CJ are offered with 4 screen size options. Sony X90CK comes with 85-Inch (XR85X90CK), 75-Inch (XR75X90CK), 65-Inch (XR65X90CK) and 55-Inch (XR55X90CK) while Sony X90CJ is offered in 75-Inch (XR75X90CJ), 65-Inch (XR65X90CJ), 55-Inch (XR55X90CJ) and 50-Inch (XR55X90CJ). What are the differences between Sony X90CK and X90CJ? In this article, we will talk about the differences between Sony X90CK and X90CJ so that we can decide Sony X90CK is the successor series that we should choose.
Sony X90CK Introduction
Sony X90CK
Sony X90CK comes as the exclusive version of Sony X90K. Both Sony X90CK and X90K are positioned below Sony X95K as the top 4K LED TV series from Sony’s 2022 TV lineup. Sony X90CK comes with Full Array LED backlight that is completed with local dimming. Full Array Local Dimming backlight is able to deliver excellent contrast between the bright and dark parts of the TV screen. The contrast is also enhanced by XR Contrast Booster 10, XR HDR remaster and Dynamic Contrast Enhancer. XR Contrast Booster 10 can brings wider brightness range, XR HDR remaster can adjust the contrast for more realistic picture while Dynamic Contrast Enhancer controls the brightness according to the environment’s lighting condition. The color technology integrated with Sony X90CK is XR Triluminos Pro that can deliver rich and accurate color details. We can also find XR Smoothing, Live Color Technology and Rich Color Enhancer as additional color technology of Sony X90CK. XR Smoothing can deliver smooth and natural color without gradation line, Live Color Technology brings more lively color details while Rich Color Enhancer is able to deliver more vivid tones especially for more neutral colors. 4K UHD resolution of Sony X90CK 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. The clarity is also enhanced by Dual database processing that can reduce on-screen noise especially for upscaled non 4K contents and XR Super Resolution that can detect every object in a picture then upscales their resolution for better details. HDR10, Dolby Vision and HLG are already supported by Sony X90CK so that we can enjoy enhanced details and expanded contrast from wide range of HDR content sources. The color, clarity and contrast of the picture delivered on the screen of Sony X90CK are optimized by Cognitive Processor XR that integrated as the picture processor of this TV. We can enjoy fluid motion images from our favorite action movies and sports with XR Motion Clarity integrated as the motion technology of Sony X90CK. XR Motion Clarity that based on 120Hz native refresh rate is also able to bring minimum input lag when we use this TV as our gaming monitor. Sony X90CK also supports Variable Refresh Rate (VRR) and Auto Low Latency Mode (ALLM) on top of its HDMI 2.1 that allows us to enjoy more immersive gaming experience. Google TV is the operating system of Sony X90CK that allows us to enjoy wide range of premium entertainment from our favorite content providers. It also allows us to run wide collection of smart apps with access to Play Store. 802.11ac wireless is already attached to Sony X90CK to help us easily connect this TV to our home network. We can also enjoy 4K HDR OTA (Over the Air) entertainment on the screen of Sony X90CK since It already comes with ATSC 3.0 (NextGen TV). Sony X90CK already supports Bravia CAM that allows us to do Video Chat on the big screen of this TV while also allows Ambient Optimization Pro that can adjust the picture and sound according the room’s condition. We can control Sony X90CK conveniently with its included Voice Remote Control as well as Google Assistant and Apple AirPlay/HomeKit that already supported. Sony X90CK comes with Acoustic Multi-Audio speaker powered by 10 W + 10 W + 5 W + 5 W output. It’s also completed with X-Balanced Speaker and able to deliver rich and quite powerful sound quality. We can also setup more advanced AV system to enjoy higher quality audio with eARC (Enhanced Audio Return Channel) of Sony X90CK.
| Sony X90CK Prices | |
| 85-Inch (XR85X90CK) | Check Today’s Price… |
| 75-Inch (XR75X90CK) | Check Today’s Price… |
| 65-Inch (XR65X90CK) | Check Today’s Price… |
| 55-Inch (XR55X90CK) | Check Today’s Price… |
Sony X90CJ Introduction
Sony X90CJ
Sony X90CJ along with Sony X90J are positioned below Sony X95K as the top 4K LED TV series from Sony’s 2021 TV lineup. Sony X90CJ comes with XR 4K Upscaling on top of its 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. We can also find Dual database processing and XR Super Resolution as two additional clarity technology of Sony X90CJ. Dual database processing can reduce on screen noise especially for upscaled non 4K contents while XR Super Resolution can detect every object in a picture then upscale their resolution for better details. Sony X90CJ is able to deliver excellent contrast vibrancy since it already comes with Full Array LED backlight that is completed with local dimming. XR Contrast Booster 5, XR HDR Remaster and Dynamic Contrast Enhancer are integrated with Sony X90CJ on top of its Full Array Local Dimming backlight. XR Contrast Booster 5 is able to deliver wider contrast range, XR HDR Remaster reproduces greater depth and textures while Dynamic Contrast Enhancer can adjust the brightness according the environment’s lighting condition. XR Triluminos Pro is integrated as the color technology of Sony X90CJ along with XR Smoothing and Live Color Technology. XR Triluminos Pro can deliver rich and accurate color details, XR Smoothing creates smooth and natural color while Live Color Technology brings more lively color details. Sony X90CJ already supports HDR10, Dolby Vision and HLG so that we can enjoy enhanced details and expanded contrast from wide range of HDR content sources. The picture processor integrated with Sony X90CJ is Cognitive Processor XR that can optimize the color, clarity and contrast of the picture delivered on its screen. XR Motion Clarity that based on 120Hz native refresh rate is integrated as the motion technology of Sony X90CJ. It can deliver fluid motion images from our favorite action movies and sports while also allowing us to enjoy minimum input lag when we use this TV as our gaming monitor. To bring more immersive gaming experience, Sony X90CJ also supports Variable Refresh Rate (VRR) and Auto Low Latency Mode (ALLM) with HDMI 2.1. We can enjoy wide range of premium entertainment from our favorite content providers with Google TV integrated as the operating system of Sony X90CJ. Google TV is also connected to Play Store that allows us to run additional smart apps on the screen of this TV. We can easily connect to our home network with 802.11ac wireless attached to Sony X90CJ. With ATSC 3.0 (NextGen TV), we can also enjoy 4K HDR OTA (Over the Air) entertainment on the screen of Sony X90CJ. We can easily control Sony X90CJ with its included Voice Remote Control. We can also use Google Assistant and Apple HomeKit/AirPlay to control this TV since they are already supported. Acoustic Multi-Audio with 10 W + 10 W audio power output is integrated as the speaker system of Sony X90CJ. Although it’s still able to deliver good sound quality, it’s a good idea to attach additional soundbar if you are looking for more powerful surround sound. We can also attach more advanced AV system to enjoy higher quality audio formats since Sony X90CJ already supports eARC (Enhanced Audio Return Channel).
| Sony X90CJ Prices | |
| 75-Inch (XR75X90CJ) | Check Today’s Price (SamsClub.com)… |
| 65-Inch (XR65X90CJ) | Check Today’s Price (SamsClub.com)… |
| 55-Inch (XR55X90CJ) | Check Today’s Price (SamsClub.com)… |
| 50-Inch (XR55X90CJ) | Check Today’s Price (SamsClub.com)… |
Table of Similarities & Differences
It’s necessary for us to look at the specs and features of Sony X90CK and X90CJ before we talk more about their differences. The key specs and features of Sony X90CK and X90CJ can be found in the table of similarities & differences below.
| Sony X90CK | Sony X90CJ | |||||||||
| Similarities | ||||||||||
| 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 | ||||||||
| Smart TV Platform | 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 | ||||||||
| ATSC 3.0 (NEXTGEN TV) | YES | YES | ||||||||
| Sound Technology |
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| HDMI/USB | 4/3 | 4/3 | ||||||||
| Differences | ||||||||||
| Introduced | 2022 | 2021 | ||||||||
| XR Contrast Booster Version | XR Contrast Booster 10 | XR Contrast Booster 5 | ||||||||
| Rich Color Enhancer | YES | NO | ||||||||
| 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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What are Their Differences?
There are few differences between Sony X90CK and X90CJ that we can find in the table of similarities & differences above. Let’s talk more about those differences together.
1. XR Contrast Booster Version
While both Sony X90CK and X90CJ come with XR Contrast Booster, we can find that their XR Contrast Booster are different. Sony X90CK comes with XR Contrast Booster 10 while Sony X90CJ comes with XR Contrast Booster 5. XR Contrast Booster 10 is able to deliver higher peak brightness than XR Contrast Booster 5 so that we can enjoy wider brightness range on the screen of Sony X90CK than on the screen of Sony X90CJ.
2. Rich Color Enhancer
We can find that both Sony X90CK and X90CJ come with XR Triluminos Pro, XR Smoothing and Live Color Technology as their color technology. Additionally, we can also find that Sony X90CK is completed with Rich Color Enhancer that we can’t find in Sony X90CJ. Rich Color Enhancer is able to deliver more vivid tones especially for neutral colors on the screen of Sony X90CK.
3. Bravia CAM Compatibility
As part of Sony’s 2022 TV lineup, Samsung X90CK already supports Bravia CAM. Bravia CAM is not supported by Sony X90CJ that was released as part of Sony’s 2021 TV lineup. Bravia CAM allows us to do Video Chat on the TV’s big screen while also allows Ambient Optimization Pro that can adjust the picture and sound according to the room’s condition.
4. Audio Power Output
Both Sony X90CK and X90CJ come with Acoustic Multi-Audio speaker. Acoustic Multi-Audio speaker of Sony X90CK and X90CJ are completed with X-Balanced Speaker. But if we look at their audio power output, we can find that the audio power output of Sony X90CK and X90CJ are slightly different. Sony X90CK comes with 10 W + 10 W + 5 W + 5 W (30W) audio power output while Sony X90CJ comes with 10 W + 10 W (20W) audio power output. 10 W + 10 W + 5 W + 5 W audio power output is able to deliver richer and more powerful sound quality than 10 W + 10 W audio power output.
5. Price
When it comes to price, Sony X90CK is usually offered at the higher price than Sony X90CJ for similar screen size options. Since TV prices are changing from time to time, it’s important for us to check the price of Sony X90CK and X90CJ before we can find their latest price difference.
Summary
After we talk about the differences of Sony X90CK and X90CJ, we can find that there are few improvements in Sony X90CK as the successor of Sony X90CJ. Sony X90CK comes with more advanced XR Contrast Booster 10 and Rich Color Enhancer that can delivers wider brightness range and richer color tones, Bravia CAM compatibility for Video Chat and Ambient Optimization pro as well as more powerful audio power output. But, Sony X90CK is indeed usually offered at the higher price for similar screen size options. So, if you don’t mind spending higher for wider brightness range, richer color tones, Bravia CAM compatibility as well as more powerful sound output, then Sony X90CK is the one that you should choose.
| Sony X90CK Prices | |
| 85-Inch (XR85X90CK) | Check Today’s Price… |
| 75-Inch (XR75X90CK) | Check Today’s Price… |
| 65-Inch (XR65X90CK) | Check Today’s Price… |
| 55-Inch (XR55X90CK) | Check Today’s Price… |
Sony X90CJ is the predecessor of Sony X90CK that can be a good alternative choice if you have more limited budget. Most of specs and features of Sony X90CJ are similar to Sony X90CK except that it comes with less advanced version of XR Contrast Booster (XR Contrast Booster 5) and less powerful 10 W + 10 W audio power output as well as the absent of Rich Color Enhancer and Bravia CAM compatibility. But basically, Sony X90CJ is still able to deliver excellent picture quality with Full Array Local Dimming backlight, XR Triluminos Pro, XR Motion Clarity that powered by Cognitive Processor XR. We also can enjoy wide range of premium entertainment with Google TV and ATSC 3.0 that already integrated with Sony X90CJ. So, if you have less budget and don’t mind with slightly less excellent contrast and color, the absence of Bravia CAM compatibility and a little less powerful sound then Sony X90CJ is the one that you can choose.
| Sony X90CJ Prices | |
| 75-Inch (XR75X90CJ) | Check Today’s Price (SamsClub.com)… |
| 65-Inch (XR65X90CJ) | Check Today’s Price (SamsClub.com)… |
| 55-Inch (XR55X90CJ) | Check Today’s Price (SamsClub.com)… |
| 50-Inch (XR55X90CJ) | Check Today’s Price (SamsClub.com)… |