If you are looking for 4K LED TV from Sony in 2022, I’m sure that Sony X90K and X85K are two options that you consider. Both Sony X90K and X85K are introduced as part of Sony’s 2022 TV lineup. Sony X90K comes with 4 screen size options: 85-Inch (XR85X90K), 75-Inch (XR75X90K), 65-Inch (XR65X90K) and 55-Inch (XR55X90K) while there are 6 screen size options available for Sony X85K: 85-Inch (KD85X85K), 75-Inch (KD75X85K), 65-Inch (KD65X85K), 55-Inch (KD55X85K), 50-Inch (KD50X85K) and 43-Inch (KD43X85K). From their series number, we can easily guess that Sony X90K is positioned higher than Sony X85K. Which of them is the one that you should choose? We need to know more about the differences between Sony X90K and X85K before we can decide which of them is the one to choose.
What Should You Know about Sony X90K?

Sony X90K
Sony X90K is 4K LED TV series from Sony’s 2022 TV lineup that positioned between the higher Sony X95K and the lower Sony X85K. Sony X90K comes with Full Array LED backlight that is completed with local dimming. Full Array Local Dimming is able to deliver excellent picture contrast vibrancy between the bright and dark part of the screen. The contrast is also enhanced by XR Contrast Booster, XR HDR remaster and Dynamic Contrast Enhancer. XR Contrast Booster is able to brings higher peak brightness so that we can enjoy wider brightness range, XR HDR Remaster can reproduces greater depth and textures while Dynamic Contrast Enhancer can adjust the brightness to match the environment’s lighting condition. 4K UHD resolution of Sony X90K is completed with XR 4K Upscaling 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. Dual database processing and XR Super Resolution are also integrated as the additional clarity technology of Sony X90K. Dual database processing is able to reduce on-screen noise especially for upscaled non 4K contents while XR Super Resolution can detect every motion in a picture then upscales their resolution for better clarity and details. Sony X90K comes with XR Triluminos Pro as its color technology. XR Triluminos Pro is able to deliver rich and accurate color details. Sony X90K is also completed with XR Smoothing that delivers more natural color and Live Color Technology that brings more lively color details. Sony X90K supports HDR10, Dolby Vision and HLG so that we can enjoy enhanced details and expanded contrast from wide range of HDR content sources. The motion technology of Sony X90K is XR Motion Clarity that based on 120Hz native refresh rate. It’s able to deliver smooth motion images from our favorite action movies and sports while also allows us to enjoy minimum input lag when we use this TV as our gaming monitor. To bring more immersive gaming experience, Sony X90K also supports Variable Refresh Rate (VRR) and Auto Low Latency Mode (ALLM) on top of HDMI 2.1. 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. The operating system of Sony X90K is Google TV. It allows us to enjoy wide range of premium entertainment from our favorite content providers as well as run wide collection of smart apps with access to Google Play Store. 802.11ac wireless is already attached to Sony X90K that can help us easily connect this TV to our home network. Sony X90K is also completed with ATSC 3.0 (NextGen TV) that allows us to enjoy 4K HDR OTA (Over the Air) entertainment. We can control Sony X90K conveniently with its included voice remote control as well as Google Assistant and Apple HomeKit/AirPlay 2 that already supported. Sony X90K is already compatible with Bravia CAM. Bravia CAM allows us to video chat on the TV’s big screen and optimizes the picture and sound according to the room’s environment. We can enjoy rich and quite powerful sound quality with Acoustic Multi-Audio speaker powered by 10 W + 10 W + 5 W + 5 W output. We can also setup more advanced AV system with eARC (Enhanced Audio Return Channel) to enjoy higher quality audio formats.
Sony X90K Prices | |
85-Inch (XR85X90K) | Check Today’s Price (Walmart.com)… |
75-Inch (XR75X90K) | Check Today’s Price (Walmart.com)… |
65-Inch (XR65X90K) | Check Today’s Price (Walmart.com)… |
55-Inch (XR55X90K) | Check Today’s Price (Walmart.com)… |
What Should You Know about Sony X85K?

Sony X85K
Sony X85K is 4K LED TV series from Sony’s 2022 TV lineup that positioned below Sony X90K and above Sony X80K. Sony X85K comes with frame dimming on top of standard Direct LED backlight. Frame Dimming is still able to deliver good contrast vibrancy although it’s not as excellent as Full Array Local Dimming backlight. Sony X85K is also completed with additional Object-based HDR remaster that reproduces greater depth and textures as well as Dynamic Contrast Enhancer that adjusts the contrast according to the environment’s lighting condition. 4K X-Reality Pro is integrated with 4K UHD resolution of Sony X85K 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. Triluminos Pro is the color technology of Sony X85K that allows us to enjoy rich and accurate color details. The color is also improved by Live Color Technology that can bring more lively color details. HDR10, HLG and Dolby Vision are already supported by Sony X85K so that we can enjoy enhanced details and expanded contrast from wide range of HDR content sources. The picture processor integrated with Sony X85K is 4K HDR Processor X1. It can optimize the color, clarity and contrast of the picture delivered on the screen of this TV. Motionflow XR 960 is the motion technology of Sony X85K that can deliver smooth motion images for our favorite action movies and sports. Motionflow XR 960 that is based on 120Hz native refresh is also able to deliver minimum input lag when we use this TV as our gaming monitor. Sony X85K also comes with HDMI 2.1 that supports Variable Refresh Rate (VRR) and Auto Low Latency Mode (ALLM) to bring more immersive gaming experience. We can enjoy wide range of premium entertainment from our favorite content providers with Google TV that integrated as the operating system of Sony X85K. Google TV is also connected to Google Play Store so that we can run wide range of additional smart apps. To help us easily connect this TV to our home network, Sony X85K is already completed with 802.11ac wireless. ATSC 3.0 (NextGen TV) is already integrated with Sony X85K so that we can enjoy 4K HDR OTA (Over the Air) entertainment on the screen of this TV. The remote control that included with Sony X85K is Voice Remote Control that can help us to control this TV with our voice. We can also use our voice to control Sony X85K with Google Assistant as well as Apple HomeKit/Air Play 2 since they are already supported. The speaker system integrated with Sony X85K is quite basic Bass Reflex-Speaker with 10 W + 10 W audio output. Although it basically still can deliver good sound quality, it’s a good idea to attach additional soundbar to enjoy more powerful surround sound. Sony X85K also supports eARC (Enhanced Audio Return Channel) that can help us to enjoy higher quality audio formats with additional AV system.
Sony X85K Prices | |
85-Inch (KD85X85K) | Check Today’s Price (Walmart.com)… |
75-Inch (KD75X85K) | Check Today’s Price (Walmart.com)… |
65-Inch (KD65X85K) | Check Today’s Price (Walmart.com)… |
55-Inch (KD55X85K) | Check Today’s Price (Walmart.com)… |
50-Inch (KD50X85K) | Check Today’s Price (Walmart.com)… |
43-Inch (KD43X85K) | Check Today’s Price (Walmart.com)… |
Similarities & Differences Table
It’s important for us to look at the specs and features of Sony X90K and X85K before we can talk more about their differences. The key specs and features of Sony X90K and X85K can be found in the table below with similarities and differences format.
Sony X90K | Sony X85K | |||||||||||
Similarities | ||||||||||||
Introduced | 2022 | 2022 | ||||||||||
Resolution | 4K UHD | 4K UHD | ||||||||||
Display Technology | LED | LED | ||||||||||
Color Technology | Live Color Technology | Live Color Technology | ||||||||||
Contrast Technology | Dynamic Contrast Enhancer | Dynamic Contrast Enhancer | ||||||||||
HDR Support |
|
|
||||||||||
Refresh Rate | 120Hz Native | 120Hz Native | ||||||||||
Gaming Technology |
|
|
||||||||||
Smart TV Platform | WebOS | WebOS | ||||||||||
Built-in Wifi | 802.11ac | 802.11ac | ||||||||||
Remote Control | Voice Remote | Voice Remote | ||||||||||
Control Support |
|
|
||||||||||
ATSC 3.0 (NextGen TV) | YES | YES | ||||||||||
BRAVIA CAM | Compatible | Compatible | ||||||||||
Audio Return Channel | eARC (Enhanced Audio Return Channel) | eARC (Enhanced Audio Return Channel) | ||||||||||
HDMI/USB | 4/2 | 4/2 | ||||||||||
Differences | ||||||||||||
Backlight Technology | Full Array LED | Standard Direct LED | ||||||||||
Dimming Technology | Local Dimming | Frame Dimming | ||||||||||
Clarity Technology |
|
4K X-Reality Pro | ||||||||||
Color Technology |
|
Triluminos Pro | ||||||||||
Contrast Technology |
|
Object-based HDR remaster | ||||||||||
Motion Technology | XR Motion Clarity | Motionflow XR 960 | ||||||||||
Picture Processor | Cognitive Processor XR | 4K HDR Processor X1 | ||||||||||
Speaker System |
|
|
||||||||||
Price | Higher | Lower | ||||||||||
|
|
The Differences of Sony X90K and X85K
After we look at the similarities and differences table above, we can find that there are few differences between Sony X90K and X85K. I’m sure that it’s a good idea to talk more about those differences together.
1. Backlight Technology
The first difference of Sony X90K and X85K can be found from their backlight technology. Sony X90K comes with Full Array Local Dimming while Sony X85K only comes with frame dimming on top of standard Direct LED backlight. Full Array Local Dimming is able to deliver more excellent contrast vibrancy across its LED screen than frame dimming on top of standard Direct LED backlight.
2. Picture Processor
The picture processor integrated with Sony X90K and X85K are different. Sony X90K is powered by Cognitive Processor XR while Sony X85K is powered by 4K HDR Processor X1. Cognitive Processor XR is more advanced picture processor that can deliver better optimization for the color, clarity and contrast of the picture delivered on the screen of Sony X90K.
3. Clarity Technology
There’s a difference in the clarity technology of Sony X90K and X85K. Sony X90K comes with XR 4K Upscaling while Sony X85K comes with 4K X-Reality Pro. XR 4K Upscaling is more advanced clarity technology that powered by Cognitive Processor XR that can deliver better upscaling results than 4K X-Reality Pro that is powered by 4K HDR Processor X1. The clarity of Sony X90K is also enhanced by Dual database processing and XR Super Resolution that we can’t find in Sony X85K. 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.
4. Contrast Technology
We can also find that there’re also differences in the contrast technology of Sony X90K and X85K. Sony X90K comes with XR Contrast Booster that can be found in Sony X85K. XR Contrast Booster is able to deliver higher peak brightness so that we can enjoy wider brightness range on the screen of Sony X90K. We can also find that Sony X90K comes with XR HDR Remaster while Sony X85K comes with Object-based HDR Remaster. Although they work similarly, XR HDR Remaster is still able to reproduce better depth and textures powered by Cognitive Processor XR.
5. Color Technology
The color technology integrated with Sony X90K and X85K are also different. Sony X90K comes with XR Triluminos Pro while Sony X85K comes with Triluminos Pro. While XR Triluminos Pro and Triluminos Pro are basically similar in functions, XR Triluminos Pro is better in delivering rich and accurate color details. Additionally, Sony X90K is completed with XR Smoothing that can deliver more natural color details on its screen.
6. Motion Technology
While their refresh rate is similar, the motion technology of Sony X90K and X85K are different. Sony X90K comes with XR Motion Clarity while Sony X85K comes with Motionflow XR 960. XR Motion Clarity is relatively better than Motionflow XR 960 although they both use 120Hz native refresh rate since it’s powered by more advanced Cognitive Processor XR.
7. Speaker System
The speaker system integrated with Sony X90K and X85K are different. Sony X90K comes with Acoustic Multi-Audio powered by 10 W + 10 W + 5 W + 5 W audio output while Sony X85K comes with Bass Reflex Speaker powered by 10 W + 10 W audio output. Acoustic Multi-Audio with 10 W + 10 W + 5 W + 5 W audio output is able to deliver richer and more powerful surround sound than Bass Reflex Speaker with 10 W + 10 W audio output.
8. Price
As it’s positioned as the higher series, Sony X90K is normally offered at the higher price than Sony X85K for similar screen size option. If you are interested to know the latest price difference of Sony X90K and X85K, you need to check the price of those two TVs to find their latest price difference since their prices often change from time to time.
Conclusion: Sony X90K or X85K
Sony X90K is the series that positioned higher than Sony X85K. It comes with more advanced picture technology (Clarity, Color and Contrast) while it’s also powered by more powerful picture processor. Sony X90K also comes with better sound quality as additional bonus. In the price side, we can find that Sony X90K is normally offered at the higher price than Sony X85K for similar screen size option. So, if you are looking for more excellent picture quality and better sound quality as additional bonus while you don’t mind spending more, then Sony X90K is the one that you should choose.
Sony X90K Prices | |
85-Inch (XR85X90K) | Check Today’s Price (Walmart.com)… |
75-Inch (XR75X90K) | Check Today’s Price (Walmart.com)… |
65-Inch (XR65X90K) | Check Today’s Price (Walmart.com)… |
55-Inch (XR55X90K) | Check Today’s Price (Walmart.com)… |
Sony X85K is the series that positioned right below Sony X90K. It’s a good choice for you if Sony X90K is still too high in price. Sony X85K is basically still able to deliver good picture quality although it’s not as excellent as Sony X90K. We can also find that Sony X85K already comes with 120Hz native refresh rate with VRR and ALLM so that we can still enjoy immersive gaming experience. Sony X85K is also completed with ATSC 3.0 (NextGen TV) so that we can enjoy 4K HDR OTA (Over the Air) entertainment on its screen.
Sony X85K Prices | |
85-Inch (KD85X85K) | Check Today’s Price (Walmart.com)… |
75-Inch (KD75X85K) | Check Today’s Price (Walmart.com)… |
65-Inch (KD65X85K) | Check Today’s Price (Walmart.com)… |
55-Inch (KD55X85K) | Check Today’s Price (Walmart.com)… |
50-Inch (KD50X85K) | Check Today’s Price (Walmart.com)… |
43-Inch (KD43X85K) | Check Today’s Price (Walmart.com)… |