Sony XR55X90J and KD55X85J come as our options for 55-Inch 4K LED TV in 2021. Both of Sony XR55X90J and KD55X85J come as part of Sony’s 2021 TV lineup. Sony XR55X90J is introduced 55-Inch screen size option of Sony X90J while Sony KD55X85J is introduced as 55-inch screen size option of Sony X85J that means Sony XR55X90J is the model that positioned higher than Sony KD55X85J. Is there any reason to choose Sony XR55X90J that positioned higher? It’s important for us to know more about the differences of Sony XR55X90J and KD55X85J before we can see if there is any reason to choose Sony XR55X90J.
Sony XR55X90J Introduction
There are 4 screen size options of Sony X90J and we can find Sony XR55X90J is introduced as its 55-inch one. It comes with XR Triluminos Pro that can delivers rich and accurate color details on its screen. XR Smoothing and Live Color Technology are also integrated as the additional color technology of Sony XR55X90J. XR Smoothing can creates more natural color by minimizing color banding while Live Color Technology brings more lively color details on the screen of this TV. Sony XR55X90J already comes with Full Array LED backlight that combined with local dimming. Full Array Local Dimming backlight allows us to enjoy vibrant contrast on the screen of this TV while also can brings superior light uniformity. To enhances the contrast quality of Sony XR55X90J, we can also find XR Contrast Booster, XR HDR Remaster and Dynamic Contrast Enhancer integrated with this TV. XR Contrast Booster can boost the contrast range between the brightest an darkest part of the TV screen, XR HDR Remaster can reproduces greater depth while Dynamic Contrast Enhancer adjust the contrast brightness according to the environment lighting condition. XR 4K Upscaling 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 and XR Super Resolution. Dual database processing can reduce on-screen noise especially for upscaled contents while XR Super Resolution can delivers real-world textures after detects individual objects in a picture and upscales their resolution. Sony XR55X90J is powered by advanced Cognitive Processor XR processor. Cognitive Processor XR understands how humans see and hear so that it can delivers excellent optimization for the color, clarity and contrast delivered on the screen of this TV. HDR10, HLG and Dolby Vision are already supported by Sony XR55X90J so that we can enjoy enhanced details and expanded contrast from wide range of HDR content sources. The motion technology of Sony XR55X90J is XR Motion Clarity that based on 120Hz native refresh rate. XR Motion Clarity is able to delivers fluid motion images for our favorite action movies and sports. It also allows us to enjoy minimum input lag when we use this TV as our gaming monitor. To bring more immersive gaming experience, Sony XR55X90J already supports Variable Refresh Rate (VRR) and Auto Low Latency Mode (ALLM) with HDMI 2.1 enabled. The operating system of Sony XR55X90J is Google TV (Android TV). It allows us to enjoy 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 Play Store. 802.11ac wireless is already attached to Sony XR55X90J to bring fast and stable internet connection. We can also find that ATSC 3.0 (NextGen TV) is already integrated with Sony XR55X90J to brings 4K HDR OTA (Over the Air) entertainment on its screen. Sony XR55X90J can be controlled conveniently with its included Voice Remote Control as well as Google Assistant, Amazon Alexa and Apple AirPlay/HomeKit that already supported. Sony XR55X90J comes with Acoustic Multi-Audio speaker powered by 10 W + 10 W output. It’s also completed with Sound Positioning Tweeter to brings better sound quality. We can also setup more advanced AV system to enjoy higher quality audio formats sicne Sony XR55X90J already supports eARC (Enhanced Audio Return Channel). You can check today’s offer of Sony XR55X90J on Ebay.com here…
Sony KD55X85J Introduction
Sony KD55X85J is introduced as 55-inch screen size option of Sony X85J. Sony X85J is positioned between the higher Sony X90J and the lower Sony X80J in Sony’s 2021 TV lineup. Sony KD55X85J comes with frame dimming on top of Direct LED backlight. Although it’s not as excellent as Full Array local dimming, frame dimming is still able to delivers quite good contrast vibrancy on the screen of Sony KD55X85J. Sony KD55X85J is also completed with Object-based HDR remaster that can reproduces greater depth and Dynamic Contrast Enhancer that can adjust the screen brightness to match the environment’s lighting. 4K X-Reality PRO is integrated with 4K UHD resolution of Sony KD55X85J to brings 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 integrated as the color technology of Sony KD55X85J. It can delivers rich and accurate color details. We can also find Live Color Technology integrated as the additional color technology of Sony KD55X85J that can brings more lively color. Sony KD55X85J already supports HDR10, HLG and Dolby Vision so that we can enjoy enhanced details and expanded contrast from wide range of HDR content sources. 4K HDR Processor X1 is the picture processor integrated with Sony KD55X85J. It can optimizes the color, clarity and contrast of the picture delivered on the screen of this TV. Sony KD55X85J is able to delivers smooth motion images for our favorite action movies and sports with Motionflow XR 960 integrated as the motion technology of this TV. Motionflow XR 960 that based on 120Hz native refresh rate is also able to brings minimum input lag when we use this TV as our gaming monitor. To bring more immersive gaming experience, we can also find that Sony KD55X85J already comes with HDMI 2.1 as well as Variable Refresh Rate (VRR) and Auto Low Latency Mode (ALLM). Google TV (Android TV) is integrated as the operating system of Sony KD55X85J. It can delivers wide range of premium entertainment with 802.11ac wireless provides fast internet connection to our favorite content providers. Android TV is also connected to Play Store that allows us to run wide collection of smart apps on the screen of this TV. We can also find that ATSC 3.0 (NextGen TV) is already integrated with Sony KD55X85J to bring 4K HDR OTA (Over the Air) entertainment on the screen of this TV. Voice Remote Control is included with Sony KD55X85J to allows us to control this TV conveniently with our voice. We can also use Google Assistant, Amazon Alexa and Apple HomeKit/AirPlay to control Sony KD55X85J as they are already supported. The speaker system integrated with Sony KD55X85J is quite basic. It comes with Bass reflex speaker powered by 10 W + 10 W Output. Although it’s still able to delivers good sound quality with Dolby Atmos and integrated X-Balanced Speaker, it’s a good idea to attach additional soundbar if you are looking for more powerful surround sound. Sony KD55X85J already supports eARC (Enhanced Audio Return Channel) that allows us to enjoy higher quality audio formats. You can check today’s offer of Sony KD55X85J on Ebay.com here…
Table of Comparison
We need to look at the specs and features of Sony XR55X90J and KD55X85J before we can talk more about their differences. The key specs and features of those two TV models can be found in the table of comparison below.
| Sony XR55X90J | Sony KD55X85J | |
| Introduced | 2021 | 2021 |
| Screen Size | 55-Inch | 55-Inch |
| Display Technology | LED | LED |
| Resolution | 4K UHD | 4K UHD |
| Backlight Technology | Full Array LED | Direct LED |
| Dimming Technology | Local Dimming | Frame Dimming |
| Clarity Technology |
|
4K X-Reality Pro |
| Color Technology |
|
|
| Contrast Technology |
|
|
| HDR Support |
|
|
| Motion Technology | XR Motion Clarity (120Hz Native) | Motionflow XR 960 (120Hz Native) |
| Gaming Technology |
|
|
| Picture Processor | Cognitive Processor XR | 4K HDR Processor X1 |
| Smart TV Platform | Google TV (Android TV) | Google TV (Android TV) |
| Remote Control | Voice Remote Control | Voice Remote Control |
| Control Support |
|
|
| Built-In Wi-Fi | 802.11ac | 802.11ac |
| ATSC 3.0 (NextGen TV) | YES | YES |
| Speaker System |
|
|
| USB/HDMI | 4/2 | 4/2 |
| Price | More Expensive | Less Expensive |
Sony XR55X90J and KD55X85J Differences
After we look at the table of comparison above, we can find that there are few differences between Sony XR55X90J and KD55X85J. Let’s talk more about those differences together.
1. Backlight and Dimming Technology
We can find that the backlight and dimming technology of Sony XR55X90J and KD55X85J are different. Sony XR55X90J comes with Full Array LED that completed with local dimming while Sony KD55X85J comes with Direct LED that completed with frame dimming. Full Array Local Dimming backlight is more advanced backlight technology that can delivers better contrast vibrancy and light uniformity across the LED screen of Sony XR55X90J.
2. Contrast Technology
While their backlight and dimming technology of Sony XR55X90J and KD55X85J are different, we can also find that their contrast technology are also different. Sony XR55X90J comes with XR Contrast Booster and XR HDR Remaster while Sony KD55X85J comes with Object-based HDR Remaster. XR Contrast Booster is able to delivers wider brightness range on the screen of Sony XR55X90J while XR HDR Remaster comes as the more advanced version of Object-based HDR Remaster that can reproduces greater depth and textures.
3. Color Technology
There’s also another different between Sony XR55X90J and KD55X85J in their color technology. Sony XR55X90J comes with XR Triluminos Pro and XR Smoothing while Sony KD55X85J comes with Triluminos Pro. XR Triluminos Pro comes as the more advanced version of Triluminos Pro that brings richer color details while XR Smoothing is able to creates more natural color by minimizing color banding on the screen of Sony XR55X90J.
4. Clarity Technology
We can also find that the clarity of Sony XR55X90J and KD55X85J are different. Sony XR55X90J comes with XR 4K Upscaling as its upscaling technology while Sony KD55X85J comes with 4K X-Reality Pro. XR 4K Upscaling is more advanced upscaling technology that can delivers better upscaling technology than 4K X-Reality Pro. We can also find Dual database processing and XR Super Resolution integrated with Sony XR55X90J that can’t be found in Sony KD55X85J. Dual database processor can reduces on-screen noise especially from upscaled non 4K contents while XR Super Resolution can detects objects in a picture then upscales their resolution for better details and textures.
5. Picture Processor
Picture Processor should be mentioned as one of the main difference of Sony XR55X90J and KD55X85J. Sony XR55X90J comes with advanced Cognitive Processor XR that understands how humans see and hear while Sony KD55X85J comes with 4K HDR Processor X1. With Cognitive Processor XR, we can experience better optimization for the color, clarity and contrast of the picture delivered on the screen of Sony XR55X90J.
6. Motion Technology
We can find that the refresh rate technology of Sony XR55X90J and KD55X85J are basically similar 120Hz native. But we can indeed find that their motion technology are slightly different. Sony XR55X90J comes with XR Motion clarity while Sony KD55X85J comes with Motionflow XR 960. Sony XR55X90J with XR Motion Clarity is technically able to delivers better motion images than KD55X85J mainly because it’s powered by Cognitive Processor XR processor but we can indeed find that the difference is not quite noticeable.
7. Speaker System
While they come with similar 10 W + 10 W speaker power output, we can find that Sony XR55X90J and KD55X85J come with different speaker type. Sony XR55X90J comes with Acoustic Multi-Audio and Sound Positioning Tweeter while Sony KD55X85J comes with only standard Bass reflex speaker. Acoustic Multi-Audio speaker with Sound Positioning Tweeter is able to delivers more astonishing sound for Sony XR55X90J than Bass reflex spekaer of SOny KD55X85J.
8. Price
When it comes to price, we can find that Sony XR55X90J is normally offered at the higher price than Sony KD55X85J since it’s indeed the model that positioned higher. To know their latest price difference, we need to check the price of Sony XR55X90J and KD55X85J as TV prices are changing from time to time.
Is There any Reason to Choose Sony XR55X90J?
From our discussion about their differences, we can find that there are indeed few reasons to choose the higher Sony XR55X90J. The first reason is more excellent picture quality. With its Full Array Local Dimming backlight that completed with better color, clarity and contrast technology, Sony XR55X90J is able to delivers more excellent picture quality. We can also find Cognitive Processor XR that can delivers more advanced optimization for the color, clarity and contrast of the picture delivered on the screen of Sony XR55X90J as the other main reason. Sony XR55X90J also comes with more astonishing sound from Acoustic Multi-Audio completed with Sound Positioning Tweeter as the additional reason. But Sony XR55X90J is indeed normally offered at the higher price so that we need to prepare more budget for it. Where should you order one? We recommend you to Check today’s offer of Sony XR55X90J on Ebay.com here…
Sony KD55X85J is the model that positioned right below Sony XR55X90J. You have the reason to choose Sony KD55X85J if your budget is more limited. Although it doesn’t come with Full Array Local Dimming, we can also find that Sony KD55X85J is still able to delivers good picture quality with its Triluminos Pro, 4K X-Reality Pro and Object-based HDR Remaster. It also already supports HDR10, HLG and Dolby Vision. 4K HDR Processor X1 is also still able to delivers good picture optimization although it’s still less excellent than Cognitive Processor XR. If you are not satisfied with the Bass reflex speaker of Sony KD55X85J, you can easily setup more advanced AV system to enjoy higher quality audio formats with more powerful surround sound as Sony KD55X85J already supports eARC (Enhanced Audio Return Channel). Where’s recommended place to order one? You should Check today’s offer of Sony KD55X85J on Ebay.com here…