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LG Nano 90 vs Sony X900H Review (55NANO90UNA vs XBR55X900H, 65NANO90UNA vs XBR65X900H, 75NANO90UNA vs XBR75X900H, 86NANO90UNA vs XBR65X900H)

by on July 22, 2020
 



LG Nano 90 vs Sony X900H Review

LG NANO 90 is the top model of LG’s 2020 NanoCell 4K TV lineup. On the other hand, the Sony X900H is the second top model of Sony’s 2020 4K HDR LED TV. Both of them have good performance for any usage. Nevertheless, they both come with different panel technology.  Just like most models of LG LED TVs, the LG NANO 90 also comes with IPS panel technology. On the other hand, the Sony X900H comes with VA (Vertical Alignment) technology. As we have known, VA panel and IPS panel have an advantages and disadvantages than the others. The major advantage of TV with IPS panel is it has good side viewing angle but has low native contrast ratio. On the other hand, the TV with VA panel usually has good native contrast ratio, but on the other, its side viewing angle is usually bad. You certainly can choose among them according to your need.

In the market, they both come in 4 screen size variants. From the smallest, there are 55 inches (55NANO90UNA vs XBR55X900H), 65 inches (65NANO90UNA vs XBR65X900H), and 75 inches 75NANO90UNA vs XBR75X900H).Meanwhile, their biggest screen is a bit difference where the NANO 90 comes in 86 inches (86NANO90UNA) while the Sony X900H comes in 85 inches (XBR85X900H). Meanwhile, with the same screen size, the X900H is sold hundreds dollars more expensive NANO 90. So, which is superior and a better choice between them?

Short Review of Sony X900H and LG Nano 90

LG Nano 90 vs Sony X900H Key Specs

Specs and Features Sony X900H LG Nano 90
Screen sizes available 55 Inch (XBR55X900H), 65 inch (XBR65 X900H), 75 inch (XBR75X900H), 85 inch (XBR85X900H) 55 inches (55NANO90UNA), 65 inches (65NANO90UNA), 75 inches (75NANO90UNA), 86 inches (86NANO90UNA)
Panel Technology VA Panel IPS panel
Resolution 4K (2160 x 3840) 4K (2160 x 3840)
Backlight Technology Direct LED Direct LED
Local Dimming Full Array Local Dimming Full Array Local Dimming
Picture Processor 4K HDR Processor X1 Alpha 7 Gen 3 Processor 4K
HDR Support Dolby Vision, HLG, HDR10 Dolby Vision, HLG, HDR10
Clarity Enhancement 4K X Reality Pro Double Step Noise Reduction, Sharpness Enhancer
Contrast Enhancement Dynamic Contrast Enhancer, Object Based HDR Remaster, X-Tended Dynamic Range Ultra Luminance
Color Enhancement Live Color Technology, Precision Color Mapping, TriLuminos Display Nano Color, Billion Rich Colors*, Advanced Color Enhancer, True Color Accuracy
Native Refresh Rate 120 Hz 120 Hz
Motion Enhancement X Motion Clarity Tru Motion 240Hz
Variable Refresh Rate No Yes (HDMI Forum, HGiG), May also support FreeSync with a future Software update
Smart TV Platform Android TV 9.0 Pie WebOS 5.0
Remote Sony’s 2020 Voice Remote Control LG’s Magic Remote
HDMI Ports 4 4
USB Ports 2 3
Audio Channel 2 55” and 65”: 2.0, 75” and 86”: 2.2
Audio Power Output 10 Watt + 10 Watt 55” and 65”: 20 watts, 75” and 86”: 40 watts
Speaker Type Acoustic Multi Audio, Sound Positioning Tweeter, X-Balanced Speaker
XBR55X900H: Bass Reflex Speaker, X-Balanced Speaker
Down Firing with Ultra Sound

Technology and Features of Sony X900H and LG Nano 90

Panel Technology

As we have discussed above, they use different panel technology. If the Sony X900H uses VA panel technology, the LG Nano 90 uses IPS panel technology. As we have known, these panel technologies have different characteristic. The major difference between these panel technologies is on their contrast ratio and side viewing angle. As we have known, a TV with VA panel technology usually has good native contrast ratio that makes them can produce deep black. But on the other hand, its side viewing angle is poor, makes it is not suitable when used in a wide room with wide seating for watching TV. On the contrary, a TV with IPS panel usually has good side viewing angle coverage, but on the other hand, its contrast ratio is low that cause it cannot produce deep black. This certainly makes it is not suitable when used in a dark room. Meanwhile, in order to be able to deliver wide color gamut, the panel of the X900H is supported by Sony’s TriLuminos Display technology. On the other hand, the LG Nano 90 is powered by LG’s NanoCell display technology. As we know, principally, it is similar to Quantum Dot panel technology used by the Samsung’s QLED TV lineup.

While they use different panel technology, both of the LG Nano 90 and Sony X900H use the same backlight technology. They both use Direct LED backlight with Full Array Local Dimming (FALD). But unfortunately, officially, there is no information about the number of zones of their local dimming technology, so we cannot inform a lot about that. But certainly, the FALD can work better in improving contrast and minimizing blooming than local dimming on Edge-Lit Backlight.

Image Processor

As their image processor, the Sony X900H is powered by 4K HDR Processor X1. As we have known, it is the first generation of the 4K HDR Processor X1 series and also the lowest variant of X1 engine. It  lacks some features such as Dual Database Processing, Object Based Super Resolution, Super Bit Mapping HDR, or others found on the X1 Extreme or X1 Ultimate. We don’t know, why Sony uses 4K HD Processor X1 instead of X1 Extreme for the X900H while its predecessor X950G is already powered by X1 Ultimate or X900F is already powered by X1 Extreme. In term of image processor, the X900H can be said the downgrade of the predecessor X950G or X900F. But even so, it is still powerful in processing HDR signal

Meanwhile, the LG NANO 90 is powered by third generation of Alpha 7 processor or called Alpha 7 Gen 3 Image Processor. This image processor may be still less powered full than the Alpha 9 Gen 3 processor found in most of LG’s 2020 OLED TV lineup, but it still bring a performance step up from the predecessor Alpha 7 Gen 2. Additionally, just like the predecessor, the Alpha 7 Gen 3 is also able to provide some AI-Related features like AI Picture, AI Brightness, and AI Sound that make this TV can automatically adjust the picture setting so you can enjoy great picture and sound without do anything.  Additionally, although not as good as the Alpha 9, the Alpha 7 also can up-scaling lower resolution source to 4K resolution fairly well.

HDR Support

The Sony X900H and LG Nano 90 support the same HDR formats. In addition to static HDR like HDR10 and HLG (Hybrid Log Gamma), they both also support Dolby Vision, a proprietary HDR format by Dolby Vision that already uses dynamic metadata. Meanwhile, the advantage of the Nano 90 is that it has Dolby Vision IQ feature. This actually is not a new HDR format like HDR10+ as the improvement of HDR10. But this feature can maximize its Dolby Vision experience based on the condition of the room. Based on the extra HDR picture information and screen optimization elements of Dolby Vision and an assessment of room conditions provided by a built-in light sensor, this TV will automatically adjust multiple aspects of the picture in real time, so the Dolby Vision Image produced can achieve a consistent look. This means, once this feature is enabled, the picture will be automatically adjusted to suite your viewing conditions. Meanwhile, on the X900H, you will see one kind of Dolby Vision image only, though, your viewing condition changes significantly.

Motion Technology

Both of the Sony X900H and LG Nano 90 have native 120 Hz refresh rate panel. This allows them can support the content with frame rate up to 120 Hz. Additionally, they both are also able to interpolate lower frame rate content up to 120 Hz. Special for the LG Nano 90, in addition to have native 120 Hz refresh rate panel, it also already supports VRR technology that compatible with HDMI Forum and HGiG. Currently, it might not support FreeSync, but with a future firmware update, the Nano 90 will also support FreeSync. But unfortunately, unlike the LG’s 2020 OLED TV lineup that already supports GSync; the LG Nano 90 doesn’t support GSync. Meanwhile, the Sony X900H doesn’t support any VRR technology. As we have known, VRR technology can improve game experience with screen tearing-free.

Meanwhile, just like most LED TVs, to dim their backlight, both of the Sony X900H and LG Nano 90 use PWM (Pulse Width Modulation) dimming system. But even so, the highest dimming frequency of them is different. If the highest dimming frequency of the X900H is 960 Hz, the Nano 90 is 720 Hz. But even so, since their dimming frequency is equally extremely high, their backlight’s flicker is not really noticeable for most people. Additionally, they both also have BFI (Black Fame Insertion) mode that can help motion smoother. But even so, the lowest possible frequency of their BFI mode is different. If the lowest possible frequency of flickering pattern of X900H is 120 Hz, the lowest possible frequency of the Nano 90 is 60 Hz. This means, the Nano 90 support both 60 Hz and 120 Hz BFI modes while the X900H support 120 Hz BFI mode only.

Connectivity

 As their major connectivity, the Sony X900H and the LG Nano 90 are equipped with 4 HDMI ports. All of their HDMI ports already support most of HDMI formats such as HDMI 2.0 Full bandwidth, HDCP 2.2, and CEC. They both also already support HDMI 2.1 Full bandwidth. The difference, if all HDMI ports of the Nano 90 supports HDMI 2.1, on the X900H, only two ports which support HDMI 2.1, which is HDMI 3 and 4. Additionally, one of their HDMI ports (HDMI 3) also already support ARC (Audio Return Channel). Meanwhile, the advantage of the NANO 90, if its HDMI 3 also supports eARC (enhanced Audio Return Channel), the HDMI 3 of the X900H doesn’t support eARC.

While they have the same number of HDMI ports, the Sony X900H has one more number of USB ports than the LG Nano 90. If the X900H has 3 USB ports, the Nano 90 has 2 ports only. Additionally, one of USB ports of X900H is USB 3.0 (USB 1), none of USB ports of the Nano 90 is USB 3.0 that means all of them are USB 2.0.In addition to USB and HDMI ports, they both also have 1 RF In (tuner In), 1 Composite IN (AV In), and 1 Ethernet port. Special for their Composite In, they require an adapter. On the Nano 90, an adapter is included while on the X900H, the adapter is not included. Meanwhile, for connecting to other devices or internet wirelessly, they both also have built-in Wi-Fi and Bluetooth. Special for the X900H, it also has 1 Analog Audio Out (Mini Jack 3.5 mm) and IR In for IR Blaster.

Smart TV Platform

The Sony X900H runs Android TV 9.0 or Android Pie as its smart TV platform. It is the latest version of the Android TV. Its interface is fairly clean and easy to navigate. Powered by the X1 processor, Android TV runs very smoothly on X900H without any serious issue. Meanwhile, apps that provided are also very complete and varied. There are a lot of pre-installed apps provided such as Netflix, Disney Plus, Amazon Prime Video, Tidal, various kinds of games, Web Browser, etc. Additionally, it also has built-in Google ChromeCast. This platform also already has built-in voice navigation. In addition to Google Assistant as its default voice navigation, it also already supports Amazon Alexa. And the most interesting is its apps store called Google Play Store. As we have known, Play store is supported by tons of developer, makes it has wide selection of apps, games, etc you can directly download from your Sony TV. But a bit unfortunate, it lacks Apple TV plus streaming service found on other smart TV platform.

On the other hand, as its smart TV platform, LG Nano 90 runs WebOS 5.0 or the latest version of WebOS. In this version, it hasn’t changed much from the 4.5 version or 2019 version. Just like Android TV, WebOS 5.0 platform also runs smoothly on the Nano 90 without any serious issue. Its user interface is also simple and easy to use. In additions games, web browser, Live TVs, etc, WebOS also provides most of key streaming service like YouTube, Netflix, Amazon Videos, Disney Plus, or even Apple TV Plus. Although not as complete as Google Play Store, it also has an apps store called LG apps store that also has wide selections of apps. The WebOS 5.0 also supports some voice navigation platforms. In addition to its own platform “LG AI ThinQ”, it also already supports Google Home and Amazon Alexa. And the most interesting, all of them are built-in, so you to use this platform, you don’t need to buy additional “listening devices”. WebOS 5.0 also already supports Apple Play 2 and Apple Home Kit. Meanwhile, for tracking and controlling all your connected and networked devices, it has “Home Dashboard”. It is similar to Smart Things on Samsung TV.

Check the Latest Price
LG Nano 90 Sony X900H
55 inches LG 55NANO90UNA on Amazon Sony XBR55X900H on Amazon
65 inches LG 65NANO90UNA on Amazon Sony XBR65X900H on Amazon
75 inches LG 75NANO90UNA on Amazon Sony XBR75X900H on Amazon
85 inches Sony XBR85X900H on Amazon
86 Inches LG 86NANO90UNA on Amazon

LG Nano 90 vs Sony X900H Performance

Black Level and Contrast

As we have discussed above, LG Nano 90 and Sony X900H use different panel technology that also have different characteristic, particularly in term of contrast ratio and side viewing angle. The X900H uses VA panel that usually has good native contrast ratio while the Nano 90 uses IPS panel that usually has poor contrast ratio. And in reality, the native contrast ratio of the X900H is indeed really good, which is a bit higher than the 4000:1. Additionally, it also has good local dimming features that can improve contrast ratio up to around 5000:1. With its contrast ratio, black produced by the Sony X900H is fairly deep, which is around 0.02 nits. It is deep enough to make black of images looks really black in a dark scene. And combined to its good black uniformity and good performance of its local dimming feature, this certainly makes it a good TV when used in a dark room.

High vs Low Contrast

The image is only an illustration

On the other hand, the native contrast ratio of LG Nano 90 is not so good, which is around 1000:1. Although it also has full array local dimming, but it only improve its contrast ratio a bit, which is up to around 1500:1. The result, black produced by the Nano 90 is not so deep, only around 0.07 nits. In a bright room where the impact of contrast ratio is not too sensitive, this may not be a problem. But in a dark room, this is a serious issue. Instead look really black, in a dark room, black produced by the Nano 90 even look tend to grey. And indirectly, this also makes dark colors looks inaccurately. Additionally, its black uniformity is also not so good. The result, dark scene will look unnaturally. But even so, once it is set in a brighter room, the picture displayed on their screen will looks much better.

Winner: X900H

Peak Brightness

The Sony X900H has much brighter SDR peak brightness than the LG Nano 90. With real content, overall, peak brightness of the X900H is around 500 nits while the Nano 90 is around 260 nits. Nevertheless, just like other LED TVs with local dimming, their peak brightness varies depends on the content. The Nano 90 hits highest peak brightness is even on 100% window (all screen is bright) where it hits around 300 nits. And the smaller bright area, its brightness drops. And it even hits its lowest peak brightness at 2% window (2% of screen is white while the rest is black) where it hits around 200 nits. For a short time, on 10% window, the Nano 90 actually is able to hit brighter than 500 nits. But once it is stabilized, its peak brightness drops to around 250 nits. Meanwhile, the Sony X900H hits its highest luminosity is on 25% window here it hits around brighter than 600 nits. But on 50% and 100% window, its peak brightness drops to around 550 nits and 500 nits. On 10% and 2% window, its peak brightness even further drops, which are around 450 nits and 350 nits. With this characteristic, can be ascertained that peak brightness of the Sony X900H is more than enough to fight the glare in most bright rooms. On the other hand, peak brightness of the Nano 90 is only bright enough to fight the glare in moderately-lit or dim room. This means, in a bright room, the picture displayed on the screen of the X900H will look more obviously than on the screen of the Nano 90.

Meanwhile, with HDR content, both of them can hit brighter peak brightness than with SDR content. With real content, the Sony X900H can hit around 550 nits while the LG Nano 90 hit around 400 nits. Just like with SDR content, the X900H hits its highest peak brightness on 25% window, which is brighter than 700 nits. Meanwhile, on 10% and 2% window, it hits around 450 nits and 300 nits while on 50% and 100% window , it hits around 680 nits and 550 nits. On the other hand, the Nano 90 hits its highest peak brightness on 100% window, which is around 380 nits. But the smaller window, its peak brightness drops, until on 2% window, its peak brightness drop to around 200 nits. For a short time, the Nano 90 is actually able to hit brighter than 600 nits on 25% window, but it immediately drops to around 350 nits once it has stabilized.  With their characteristic, the Sony X900H actually can deliver a pretty good HDR experience, particularly when it is set in a dark or moderately lit room. But even so, since its peak brightness on 2% and 10% window is dimmer than the rest, it is not able to bring out highlight in HDR. On the other hand, the peak brightness of the Nano 90 is even worse. This TV doesn’t get bright enough to truly bring out highlights in HDR, even when they are set in a dark room.

Winner: X900H

Color Reproduction

Both of the LG Nano 90 and Sony X900H support wide color gamut and their color gamut is almost similar. IN DCI P3 xy color space, they both can cover around 86% of color space and in DCI P3 uv, the Nano 90 can cover around 93% while the X900H cover around 91%. Additionally, In Rec.2020, their color gamut is also almost similar. They both can cover around 63% of Rec.2020 xy color space. And in Rec.2020 uv color space, the Nano 90 can cover a bit wider, which is around 71% compared than X900H that cover around 70%. In term of color volume, the X900H has a better color volume than the Nano 90. This is more due to the X900H can produce deep dark colors fairly well while the LG Nano 90 is not able. But even so, except deep dark colors, they both can show their wide color gamut at entire their brightness range. But just like other LED TVs, they both cannot produce very bright blues. Combination of their wide color gamut and alright color volume makes them are able to show HDR images colorfully. Some certain colors may not be able to be shown accurately, but in general, colors of HDR images displayed on their screen is equally very accurate.

Wide color gamut

The image is only illustration

While their color gamut and color volume is almost similar, the Sony X900H has much better color gradient than the LG Nano 90. Color gradient of the X900H is even including the best. On the screen of the X900H, color gradient of HDR images displayed on their screen looks very smooth. Although there are still some little banding in certain shades of colors, particularly in dark colors, but this should not be noticeable in normal content. On the other hand, on the screen of the LG Nano 90, banding looks obviously in reds and more so in gray. Enabling “Smooth Gradation” may help to reduce banding, but on the other hand, this will cause loss in fine details in some scenes.

Winner: X900H

Motion handling

Both of the Sony X900H and LG Nano 90 are good performers when handling motion. They both have impressive pixel response time and their response time is almost similar, which is around 10 ms.  The result, when they are playing fast moving images likes fast movies or fast sports, motion looks very smooth with almost no motion blur visible. Following fast moving object, there is only a little blur where most people should not notice that. Blur that may be visible is more caused by persistence of their backlight flicker.

Meanwhile, to further improve the appearance of motion, they both also have an optional BFI (Black Frame Insertion) mode. As we have known, BFI mode can help to make motion smoother by flicker their backlight. And just we have mentioned above, in this case, the LG Nano is superior to the X900H. As we have discussed above, although the Sony X900H has an optional BFI mode, but the lowest possible frequency of its BFI is 120 Hz, even when it is playing 60 fps content. This means, the BFI mode of the X900H is only effective to make motion smoother when it is playing 120 fps content only. Meanwhile, when playing 60 fps, this can cause some duplication that may bother some people. To enable its BFI mode, you just need set “Motion Flow” to “Custom” and set the “Clearness” to our preferences.

Meanwhile, the LG Nano support both 60 Hz and 120 HZ BFI mode. This means, to make motion smoother, you can suit its BFI mode to the frame rate of the content. This means, when it play 60 fps content, you just need enable its 60 Hz BFI while when play 120 fps content, you just need to enable its 120 Hz BFI mode. Meanwhile, for enabling 60 Hz BFI mode on the Nano 90, you just need to enable “TruMotion” while for enabling 60 Hz BFI, you just need to enable “Motion Pro”. But unfortunately, even though it already supports both 60 Hz and 120 Hz BFI mode, it cannot clear up motion as good as other TVs.

In handling 24p judder, their performance is also equally great. No matter the source of the movies, they both can show them with judder-free. To watch movies with judder-free, on the LG Nano 90, you just need to turn on “Real Cinema”. Meanwhile, on the X900H, to remove the judder, you must set “CineMotion” to “Auto”, “MotionFlow” to “Custom” and the “Clearness” and “Smoothness” to Minimum.

Winner: Nano 90

Input Lags

Both of the LG Nano 90 and Sony X900H also have low input lags and their input lags are almost similar, particularly with 60 fps content. Whether the resolution is 1080p, 1440p, 4K, 4K with HDR, 4K @4:4:4, their input lags are almost similar, which are around 15 ms. Meanwhile, with 120 fps content, the Nano 90 has a bit lower input lags than the X900H. At 1080p and 1440p resolution, its input lags is around 6 ms while at 4K resolution, its input lag is around 22 ms. Meanwhile, for the Sony X900H, it has input lag of around 7 ms. Keep in mind, the X900H doesn’t support 1440p at 120 Hz. Additionally, in its advertising, it actually also support 4K @ 120 Hz but it requires an HDMI 2.1 source while until now, there are no HDMI 2.1 sources. Ignoring the resolution that supported by them, their input lags are low enough to make them very responsive for any games and will please most gamers. Meanwhile, the advantage of the Nano 90, it also already supports VRR technology that compatible with some gaming feature like HDMI Forum, HGiG, and FreeSync (with a future firmware update). Its HDMI ports also already support ALLM (Auto Low Latency Mode) that allow it can automatically change to Game mode once the signal from compatible console is detected.  On the other hand, the Sony X900H doesn’t support any VRR technology and ALLM.

Winner: Nano 90

Check the Latest Price
LG Nano 90 Sony X900H
55 inches LG 55NANO90UNA on Amazon Sony XBR55X900H on Amazon
65 inches LG 65NANO90UNA on Amazon Sony XBR65X900H on Amazon
75 inches LG 75NANO90UNA on Amazon Sony XBR75X900H on Amazon
85 inches Sony XBR85X900H on Amazon
86 Inches LG 86NANO90UNA on Amazon

Conclusion

For Watching Movies

The Sony X900H is much better than the LG Nano 90 when used for watching movies in a dark room.  They both may be able to handle 24p judder excellently. They both also have full array local dimming feature that can improve their contrast ratio and minimize blooming.  But as we have discussed a lot above, the Sony X900H has much higher contrast ratio than the LG Nano 90. The contrast ratio of the X900H is more than enough to produce deep dark, make black of images still look really black in a dark room. Combined of its excellent black uniformity, dark scene will look excellently on its screen, even when it is set in a dark room. On the other hand, the LG Nano 90 has poor contrast ratio that makes it cannot produce deep dark. Even though it also has local dimming feature, but its local dimming cannot do much to improve its contrast ratio. Additionally, its black uniformity is also not so good. And this certainly is a bad combination for a dark room.

Winner: X900H

For Watching Sports

The Sony X900H may be much better than LG Nano 90 when used for watching movies in a dark room, but for watching sports in a bright room, the Nano 90 is better than the X900H. The X900H may has brighter SDR peak brightness that makes the picture displayed on its screen looks more obviously in brighter room, but the Nano 90 has better reflection handling.  Additionally, LG Nano 90 also has better motion handling than the X900H. It has an optional 60 Hz BFI mode that can help to make motion of 60 fps content look smoother. And we have known, most of sports has frame rate of 60 Hz.  The X900H may also has an optional BFI mode, but the lowest possible frequency of its BFI mode is 120 Hz. That means, when its BFI mode is enabled, this can cause some duplications. Additionally, the LG Nano () also has much better side viewing angle coverage than the X900H. You can take this advantage particularly when you watch a big game with a group of your friends or family. Its wide side viewing angle coverage ensures all of you to get the best viewing. On the other hand, since side viewing angle coverage of the X900H is poor, when you watch a big a game with a group of your family or friend, some of you may not get the best viewing. But keep in mind, this is just applied in moderately-lit or dim room, while in a bright room, the SDR peak brightness of the Nano 90 is not bright enough to fight the glare.

Winner: Nano 90

For Playing Video Games

When used for playing games, the LG Nano 90 is also better than the Sony X900H. They both may have good response time that makes fast games looks very clearly on their screen. They both also have low input lags that make them are very responsive for any games.  But since most video games has frame rate of 60 Hz, fast games with looks smoother on the screen of Nano 90 because it has an optional 60 Hz BFI mode. Additionally, the LG Nano 90 also already supports VRR technology that can further improve its game experience by removing screen tearing.  It already supports HDMI Forum VRR and HGiG. Currently, it may not support FreeSync, but with a software update in future, it will also support FreeSync. On the other hand, the Sony X900H doesn’t support any VRR technology and Gaming features.

Winner: Nano 90

HDR Experience

In term of HDR Experience, the Sony X900H is better than the LG Nano 90. They both may support the same HDR format, which are HDR10, HLG, and Dolby Vision. The Nano 90 even has Dolby Vision that will improve Dolby Vision Appearance. They both also have almost similar color gamut and color volume, makes them can show HDR Images colorfully with vibrant color. However, the X900H has much deeper black, allowing it can show dark scene of images with more detail look. On the other hand, since the Nano 90 cannot produce deep black, shadow details of HDR images cannot be shown excellently on its screen. Additionally, HDR Peak brightness of the Nano 90 is also not as bright as the X900H. Although only in a dark to moderately-lit room, it is still able to deliver pretty good HDR images. On other hand, the HDR peak brightness of the LG Nano 90 is not bright enough to truly bring out highlights in HDR.

Winner: X900H

Summary

As we have discussed a lot above, the Sony X900H and LG Nano 90 have advantages and disadvantages than each others.  In general, the LG Nano 90 is better in features while the Sony X900H is better in picture quality. In features, the Nano 90 has Dolby Vision IQ, 60 Hz BFI mode, and VRR technology that support some gaming features and they are not found on the X900H. Additionally, it also has wider side viewing angle. On the other hand, Sony X900H has much deeper black level and brighter HDR and SDR peak brightness, makes it can deliver better picture quality. So, which is a better choice between them? The decision certainly comes back to you according to your own preferences. But as we have mentioned, with the same screen size, the Sony X900H is sold hundreds dollars more expensive than the LG Nano 90.

Check the Latest Price
LG Nano 90 Sony X900H
55 inches LG 55NANO90UNA on Amazon Sony XBR55X900H on Amazon
65 inches LG 65NANO90UNA on Amazon Sony XBR65X900H on Amazon
75 inches LG 75NANO90UNA on Amazon Sony XBR75X900H on Amazon
85 inches Sony XBR85X900H on Amazon
86 Inches LG 86NANO90UNA on Amazon

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