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What we think
The PerfectRec TV team Learn more
Updated January 10, 2024·
Choose the LG NANO90 if you place a high value on gaming, as it performs better in that area. However, it might not be the best option for dark room viewing due to its lower performance in that setting. On the other hand, the Sony X85K offers a better general viewing experience for movies, sports, and animated content, making it more versatile for various types of content. It also has superior quality control and assurance, which can be reassuring in terms of product reliability, but note that its gaming performance is slightly less impressive than the LG NANO90. In brightly lit rooms, both TVs perform well, but the LG NANO90 has a slight edge in dealing with reflections. The price difference between the two is usually not significant, with the LG NANO90 being somewhat more expensive. Therefore, the decision may come down to whether gaming or a better all-around viewing experience is your priority. Give Feedback
this description is based on the product variant with some specs and product variant with some specs. At the time of writing, the variant with some specs cost some dollars and the variant with some specs cost some dollars.
Advantages of the LG NANO90 (LCD)
- Very good for gaming
- Good for use as monitor
- Very good reflections
Advantages of the Sony X85K (LCD)
- Good for bright room
- Good for sports
- Very good for news, talk, & other TV
- Very good for cartoons & animation
- Best in class for upscaling
- Best in class motion processing
Key differences
Picture Quality
6.1
7.2
5.28/10
CONTRAST
7.50/10
6.6/10
COLOR VOLUME SCORE
7.4/10
LED FALD
PANEL TYPE
LED
IPS
PANEL SUB-TYPE
VA
The Sony X85K (LCD) has good picture quality, while the LG NANO90 (LCD) has only fair picture quality.
Movies & TV
5.6
6.4
5.28/10
CONTRAST
7.50/10
5.3/10
BLACK UNIFORMITY
6.8/10
7.5/10
UPSCALING
10.0/10
Yes
HDR10 SUPPORT
Yes
No
HDR10+ SUPPORT
No
Yes
DOLBY VISION SUPPORT
Yes
The Sony X85K (LCD) is only fair for movies & TV, while the LG NANO90 (LCD) is poor.
The LG NANO90 suffers while watching movies mainly due to its weaker contrast and local dimming capabilities, which lead to less impressive black levels and less detailed dark scenes, while its poor color accuracy out of the box impacts the vibrancy and realism of movie scenes. On the other hand, the Sony X85K, although lacking in local dimming, offers better contrast and black uniformity which contributes to a superior viewing experience for movies, complemented by its excellent colors out of the box that provide a more authentic and immersive picture.
Sports
6.8
7.4
7.5/10
MOTION PROCESSING
10.0/10
120Hz
REFRESH RATE
120Hz
8.7/10
INPUT LAG SCORE
7.3/10
7.5/10
UPSCALING
10.0/10
7.8/10
SDR BRIGHTNESS SCORE
8.4/10
Yes
HLG SUPPORT
Yes
The Sony X85K (LCD) is good for sports, while the LG NANO90 (LCD) is only fair.
The Sony X85K excels in motion processing and has very good response time, which makes fast-moving scenes in sports look smoother, while its good reflections handling helps maintain clarity in bright rooms. The LG NANO90, on the other hand, has a wider viewing angle, catering to viewers spread out in a room, yet falls behind in motion processing and response time, which could result in a less crisp experience during fast sports action.
Cartoons & Animation
5.6
8.5
6.5/10
COLOR GAMUT SCORE
7.5/10
6.6/10
COLOR VOLUME SCORE
7.4/10
7.8/10
SDR BRIGHTNESS SCORE
8.4/10
4.3/10
COLORS OUT OF THE BOX SCORE
9.1/10
5.9/10
GRAY UNIFORMITY
7.5/10
The Sony X85K (LCD) is very good for cartoons & animation, while the LG NANO90 (LCD) is poor.
The LG NANO90 has been rated poorly for watching cartoons & animation due in part to its subpar "Colors Out of the Box" performance, which is less than ideal for the vibrant and various hues commonly found in that content. Conversely, the Sony X85K excels in this regard with its excellent "Colors Out of the Box", providing a richness and range of colors that enhance the viewing experience for animated material.
News, Talk, & Other TV
6.4
8.2
7.8/10
SDR BRIGHTNESS SCORE
8.4/10
7.5/10
UPSCALING
10.0/10
The Sony X85K (LCD) is very good for news, talk, & other TV, while the LG NANO90 (LCD) is only fair.
The LG NANO90 has lower performance in crucial areas like upscaling and SDR brightness, which affects the sharpness and visibility of standard definition content, whereas the Sony X85K excels in those very important aspects, ensuring clearer and brighter images for regular TV programming. Additionally, the Sony X85K also outperforms the LG NANO90 in color reproduction out of the box and overall color gamut, providing more accurate and vibrant colors for news and talk shows, although contrast and local dimming are less critical for this type of content.
Cost
$1,719
$1,098
$500
$1,000
$1,500
$2,000
$2,500
$3,000
The LG NANO90 (LCD) has a price of $1,719 and the Sony X85K (LCD) costs $1,098.
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Key similarities
Gaming
8.0
7.5
7.6/10
RESPONSE TIME SCORE
7.6/10
8.7/10
INPUT LAG SCORE
7.3/10
7.5/10
MOTION PROCESSING
10.0/10
50.0/100
GAMING LOCAL DIMMING
0.0/100
7.6/10
GAME HDR BRIGHTNESS SCORE
7.3/10
Although they have very similar scores, PerfectRec considers LG NANO90 (LCD) to be very good for gaming, while the Sony X85K (LCD) is good.
The LG NANO90 has a faster response time and lower input lag than the Sony X85K, which makes it better for gaming because it provides a smoother on-screen action and quicker reaction times to player inputs, essential for competitive gaming. Both TVs have similar refresh rates, but the superior performance of the LG NANO90 in these key areas is preferable for gamers looking for an edge in response and input handling.
Bright Room
6.9
7.4
6.3/10
VIEWING ANGLE
5.5/10
7.8/10
SDR BRIGHTNESS SCORE
8.4/10
7.2/10
HDR BRIGHTNESS SCORE
7.0/10
8.0/10
REFLECTIONS SCORE
7.3/10
Although they have very similar scores, PerfectRec considers Sony X85K (LCD) to be good for bright room, while the LG NANO90 (LCD) is only fair.
The LG NANO90 provides a fair performance in bright rooms due to its good SDR brightness and very good ability to handle reflections. In contrast, the Sony X85K delivers a good bright-room viewing experience with very good SDR brightness and good reflection handling, making it more suitable for well-lit environments.
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How the LG NANO90 (LCD) and the Sony X85K (LCD) compare to other TVs
Spec Comparison
 |  | |
| LG NANO90 (LCD) | Sony X85K (LCD) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$1,719 | $1,098 | ||
Brand | |||
Brand | LG | Sony | |
Release Date | |||
Release Date | March 2, 2021 | May 4, 2022 | |
Full name | |||
Full name | 65NANO90 | KD-65X85K | |
Screen Size | |||
Screen Size | 65" | 65" | |
Screen Resolution | |||
Screen Resolution | 4K | 4K | |
TV FEATURES | |||
|---|---|---|---|
Operating System | |||
Operating System | webOS | Android TV | |
Sound Quality Score | |||
Sound Quality Score | 6.4/10 | 6.9/10 | |
NextGen Ready | |||
NextGen Ready | No | Yes | |
HDMI Ports | |||
HDMI Ports | 4 | 4 | |
Coax Ports | |||
Coax Ports | 1 | 1 | |
DISPLAY QUALITY SCORES | |||
|---|---|---|---|
Picture Quality Score | |||
Picture Quality Score | 6.1/10 | 7.3/10 | |
Bright Room Score | |||
Bright Room Score | 7/10 | 7.4/10 | |
Gaming Score | |||
Gaming Score | 8/10 | 7.6/10 | |
Movies & TV Score | |||
Movies & TV Score | 5.6/10 | 6.5/10 | |
Sports Score | |||
Sports Score | 6.8/10 | 7.4/10 | |
PHYSICAL | |||
|---|---|---|---|
Dimensions w/o Stand (H x W x D) | |||
Dimensions w/o Stand (H x W x D) | 33" x 57.2" x 1.8" | 32.9" x 57.2" x 2.8" | |
Dimensions with Stand (H x W) | |||
Dimensions with Stand (H x W) | 35.6" x 57.2" | 35.6" x 57.2" | |
Weight without Stand | |||
Weight without Stand | 62.2 lbs | 48.5 lbs | |
VESA Mount | |||
VESA Mount | 400 x 400 | 300 x 300 | |
DISPLAY | |||
|---|---|---|---|
Color Depth | |||
Color Depth | 10 bit | 10 bit | |
Black Frame Insertion | |||
Black Frame Insertion | Yes | Yes | |
Auto Low Latency Mode | |||
Auto Low Latency Mode | Yes | Yes | |
Contrast | |||
Contrast | 5.3/10 | 7.5/10 | |
Local Dimming | |||
Local Dimming | 5.2/10 | 2.5/10 | |
SOUND | |||
|---|---|---|---|
Speaker Setup | |||
Speaker Setup | 2.2 | 2.0 | |
Speaker Power | |||
Speaker Power | 40 W | 20 W | |
Dolby Atmos | |||
Dolby Atmos | Yes | Yes | |
DTS:X | |||
DTS:X | No | Up to DTS Digital Surround, Bypass only | |
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Dig into reviews and images
Techradar
John Archer | July 2021
"Here we have HDR pictures that look bright, but also manage to typically hit decently deep black levels.WebOS continues, though, to be one of the easiest to use. Connections are strong for a mid-range TV. Native 4K pictures look crisp and detailed."
Get a great deal on the LG NANO90 (LCD) or the Sony X85K (LCD)
About LG
LG, a prominent TV brand from Korea, has played a significant role in popularizing OLED TVs. OLED technology is hailed as the future of TV technology. Their TVs employ WebOS, a proprietary smart TV software that not only offers seamless functionality but also includes gaming-specific features, earning praise from players worldwide. Often regarded as the gateway to unparalleled viewing experiences, LG's mid-range OLEDs come highly recommended, making them a worthwhile investment for those willing to stretch their budget for superior quality.
About Sony
Sony stands as a highly experienced and widely trusted TV manufacturer, earning a reputation that surpasses all others. A Japanese company, Sony has been making TVs for far longs than it has been making Playstation game consoles. Sony's high-end TVs are often regarded as the ultimate choice for videophiles, representing the epitome of quality, albeit at a premium price point. Renowned for their advanced and precise motion handling, as well as their cutting-edge local dimming algorithms, Sony consistently delivers unparalleled performance in these areas. They include Google TV software with all their TV sets, which grants access to the largest selection of apps available and they also include Bravia Core which is a movie streaming platform specifically for Sony TVs that offers higher picture quality by using more bandwidth.
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Why trust us
This information was produced and vetted by the PerfectRec TVs team. We are a product research and recommendation organization that meticulously reviews and evaluates the latest TV information and makes it digestible for you.
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About the TV team
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Chandradeep is a staff expert and software engineer and expert in televisions and monitors. He’s been making monitor recommendations for ten years.
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