LG SK9000 ThinQ LED Smart TV

8.2
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$996.99

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Set Alert for Product: LG Electronics 55SK9000PUA 55-Inch 4K Ultra HD Smart LED TV (2018 Model) - $996.99
Last Amazon price update was: December 4, 2018 5:34 pm
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  • Full Review
  • Specifications

The LG SK9000 is a great 4K smart TV that works well for a full range of options, but stands out a little bit with its performance with video games. This is largely due to its low response time and input lag. It also prevents reflections with its insane brightness that happened to have surprised me. The SK9000 also comes loaded with the WebOS operating system, which is not my favorite, but I would be remiss if I did not admit that it works phenomenally well. Especially with the unique LG Magic Remote. Though, despite all of this, the contrast ratio is incredibly poor and the local dimming features all the same. This hurts the dark-room viewing options unfortunately.

Preferred Usage

The response time, input lag, and smooth interface all help produce the one of best look for video games in 2018.

Video Games
PC Monitor
Movies
Sports
TV Shows

Available Sizes

The LG SK9000 comes in two sizes. The 55 inch (55SK9000PUA), and 65 inch (55SK9000PUA) options.

Picture Value

The picture quality of the SK9000 is quite good. The input upscaling is good, the viewing angle even better and the color gamut replicates the colors of content very well. All of these features makes the LG SK9000 a good 4K smart TV, but is held back by the contrast ratio and local dimming options. These features mainly affects the dark room viewing experience, but who doesn’t watch their TV at night?

Contrast Ratio

  • Contrast Ratio: ~1400 : 1
  • Bottom Line: Poor

Even though the LG SK9000 does not have a very good contrast ratio, it is something you can expect of an IPS paneled smart TV.

Local Dimming

local-dimming-trt

  • Local Dimming: Yes
  • Backlight: Full-Array
  • Bottom Line: Poor

The LG SK9000 is just not responsive enough. I do not recommend any of the features be enabled as it is too slow and leads to inconsistent blooming.

Viewing Angle

  • Viewing Angle: ~45 °
  • Bottom Line: Nearly Ideal

The IPS panel of the LG SK900 may ruin its contrast ratio, but it certainly helps its viewing angle. This combined with the larger sizes the SK9000 has available makes it a great choice for larger living spaces.

Input Upscaling

pixel comparisons

  • 480p: Clear and oddly sharp.
  • 720p: A bit soft, but overall good.
  • 1080p:. Quite good despite other picture issues.
  • 4K: Ideal.
  • Bottom Line: Good

I found both the 55SK9000PUA and 65SK9000PUA to upscale content very well.

Color Gamut

DCI P3 Color Space

  • DCI P3 xy: ~88%
  • DCI P3 uv: ~95%

Rec 2020 Color Space

  • Rec 2020 xy: ~65%
  • Rec 2020 uv: ~73%
  • Wide Color Gamut: Yes
  • Bottom Line: Good

The colors of the LG SK9000 are replicated well, but are a bit bright for most users. The only issue is that when in the ‘PC‘ mode the HDR settings are not recognized. I’m unsure why this is.

Motion Handling

The response time of the SK9000 is fast and prevents eye-tracking with ease. I also found the options for motion interpolation and 24p playback to work well. Scenes are smoothed properly and judder removed from all relevant sources.

Motion Blur

  • Response Time~15 ms
  • Bottom Line: Quick

Both LG 55SK9000PUA and 65SK9000PUA have similar response times that makes them great for sports and movies. This also translates into video games looking good and performing well.

24p Playback

  • 24pYes
  • 24p via 60p: Yes
  • 24p via 60iYes
  • Bottom Line: Ideal

All source levels have the option to have judder removed while played through the LG SK9000. This works for DVDs, Bluray players, cable boxes, applications, and even satellite dishes.

Motion Interpolation

  • 30 FPS: Yes
  • 60 FPS: Yes
  • Soap Opera Effect: Yes
  • Bottom Line: Greatly Executed

Too many times over, I find the smoothed picture of motion interpolation to look odd or unpleasing. The same is true for the LG SK9000. The smoothing is done without issue or artifacts, but I do not recommend these features be enabled.

Inputs

The only real issue with the inputs og the LG SK9000 is the lack of supported 1440p resolutions. Though, it is a bit expected. Besides that small issues, the input lag is very low, the chroma subsampling ideal, and the number of total inputs quite diverse. Not to mention the LG Magic Remote which nearly transforms the viewing experience.

All Inputs

  • HDMI : 4
  • USB : 3
  • Digital Optical Audio Out : 1
  • Composite In : 1 (incl. adapter)
  • Tuner (Cable/Ant) : 1
  • Ethernet : 1

Nicely diverse and thankfully more than only a couple of HDMI ports so you can cannot a larger number of devices to the SK9000 at one time.

Supported Resolutions

  • 1080p @ 60Hz @ 4:4:4: Yes
  • 1080p @ 120Hz: Yes
  • 4k @ 30Hz @ 4:4:4: Yes
  • 4k @ 60Hz: Yes
  • 4k @ 60Hz @ 4:4:4: Yes
  • Bottom Line: Great

Hilariously enough the 1080p @ 120 Hz resolution has the best input lag. So with the LG SK9000 you can have your cake and eat it too.

VESA Pattern

what-is-a-vesa-pattern

  • 55SK9000PUA: 300 x 300 mm
  • 65SK9000PUA: 300 x 300 mm

Input Lag

  • Best Input Lag: ~13 ms
  • Bottom Line: Good

The best time to play video games is when you know you have every advantage and why not do it in style with the LG SK9000? Honestly, I’m kidding a little bit here, but the input lag is very low and video games will be a bit more enjoyable with this in mind.

Input Features

  • HDR10: Yes
  • Dolby Vision: Yes
  • 5.1 ARC Dolby Digital: Yes
  • 5.1 Passthrough ARC DTS: Yes
  • 5.1 Optical Dolby Digital: Yes
  • 5.1 Optical DTS: Yes
  • ARC: Yes (HDMI 2)

The LG SK9000 supports DTS Passthrough unlike other smart TVs which is nice. That’s also in addition to its Dolby Vision and HDR10 support.

Smart Features

Both the 55SK9000PUA and 65SK9000PUA come with WebOS as their smart platform. It has downloadable applications, a web browser, slick interface and a wide variety of support for different device types. This all translates to a more immersive experience despite the inherent advertisements that plague smart TVs these days. LG also has included the LG Magic Remote with the SK9000 which makes navigating the interface even easier.

Operating System

LG Electronics Signature webos

  • Operating System: WebOS
  • Bottom Line: Vast Level of Features and Utility

WebOS only has the inherent advertisements holding it back as the best smart TV platform right now. The intuitive interface is a breathe of fresh air and the downloadable apps (granted not as many as GooglePlay) allow each user to make their SK9000 their own. Then with the addition of the Magic Remote and ThinQ the world is literally your oyster. The speedy information quirks and ability to use any smart device to control the smart TV is just nice.

Built-In Ads

  • Ads: Yes
  • Third Party Ads: Yes
  • Opt-Out: No

Despite the great performance of the smart features on the LG SK9000, theere are built in advertisements. I’ve expressed my concern about this before so i’ll keep it breif, it ruins an immersive experience and if they become too bothersome you cannot remove them.

Lowest Prices

That’s it with my LG SK9000 TV review! I try my best to keep prices accurate. Below are the lowest prices I could find and the date it was last updated. Also they are organized by size. Check out the proper viewing distance if you’re unsure where to start.

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Set Alert For: LG Electronics 55SK9000PUA 55-Inch 4K Ultra HD Smart LED TV (2018 Model)
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8.2 Total Score
Review Summary

Overall the LG SK9000 is a good 4K smart TV that comes with a full palette of features to fit most needs. The picture quality is good despite its poor contrast ratio, the motion handling just about perfect, the inputs even better with a low input lag and the smart features give its users everything they need to make the most of the SK9000.

Picture Value
7.6
Motion Handling
7.8
Inputs
9
Smart Features
8.3
PROS
  • Reflections are fought off by the surprising brightness of the SK9000.
  • ThinQ works well and even better with accessories.
  • Both reponse time and input lag are very low for action or video games.
CONS
  • The native contrast ratio is quite low despite the SK9000 being a more premium model.
  • Its color gamut though wide, is a bit too bright for some people.
  • THe flickering backlight will also annoy some people.
User Rating: 5 (1 votes)

Key Features

Type of Usage
Gaming
Panel Type
LED
Refresh Rate
120 Hz
VESA Pattern
300 x300 mm | 300 x 300 mm

Picture Information

Contrast Ratio
~1400 : 1
Local Dimming
Yes
Viewing Angle
~45 °
Input Upscaling
Good
Resolution
4K
Wide Color Gamut
Yes

Motion Handling

Response Time
~15 ms
Motion Interpolation
Yes
24p Playback
Fully Supported

Input Performance

Chroma Subsampling
Good
Input Lag
~13 ms

Smart Features

Operating System
WebOS
Ease of Use
Easy, with Small Learning Curve
Built-in Ads
Yes

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