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LG SK9000 4K HDR Smart TV – A Stunning Visual Experience

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LG SK9000 4K HDR Smart TV (1)

LG SK9000 is a super UHD 4k TV with very good performance. In a bright room, the picture quality is good, and the television can be bright enough to remove the glare. It also has excellent response handling and when viewed at an angle, the picture remains accurate.

Unfortunately, the performance in the darkroom is below average because the native contrast ratio is poor, and blacks look gray given the local full-array dimming.

In the television markets, it comes in only 55 inches (55SK9000) and 65 inches (65SK9000) in 2 screen size limits. Overall, technologies and features offered by LG SK9000 is similar to what offered by the model above it SK9500.

However, the number of SK9000 dimming zones isn’t as many as SK9500. In addition, since SK9000 uses the IPS screen, it can be determined that when used in a dark room it does not include TV that has good performance. But on the other hand, it provides good viewing angle visibility, allowing the picture seen on their television appear more accurate as seen from the side than VA TVs.

Good for monitor use. The colors stay correct at an angle which is good for watching from close up the sides of the screen. Chroma 4:4:4 embraces clear text across all backgrounds. Input lag and fast response time are low so that the television feels responsive and motion is clear.

LG SK9000 4K HDR Smart TV

LG SK9000 4K HDR Smart

  • The image remains accurate when viewed at an angle
  • Feels very responsive for gaming
  • Can produce bright highlights
  • Blacks appear gray in a dark room


Key features:

  • LG ThinQ AI | Google Assistant
  • LG α7 Intelligent Processor
  • Full-Array Dimming
  • Nano Cell Color Pro Display
  • 4K Cinema HDR
  • Dolby Atmos


The LG SK9000 has a sleek and modern design that’s very similar to the SJ8500 model. It features a thin bezel and a metallic frame that gives it a premium look. The back of the TV is black, which makes it less noticeable in a dark room. The TV stand is curved and made of black metal, which gives it a sturdy and high-end feel.

The build quality of the LG SK9000 is excellent. It’s made of high-quality materials and feels sturdy and durable. There’s a slight gap between the main panel and the outside bezel, but it’s not noticeable unless you look closely. The stand is well-built and provides good stability, but it wobbles a little if the floor is not even.

Picture Quality

The LG SK9000 provides very good picture quality, especially in bright rooms. Its IPS panel provides a wide viewing angle range, which means that the image remains accurate when viewed at an angle.

The TV has a 4K resolution and supports a wide color gamut, which allows it to display a wide range of colors. The SK9000 also has good peak brightness and an anti-reflective coating that helps to reduce glare in bright rooms.

However, the SK9000’s performance in dark rooms is below average. Its native contrast ratio is poor, which means that blacks appear gray, and the full-array local dimming is not sensitive enough. This results in a slow response to moving highlights and a late activation and deactivation of dimming areas.

Additionally, the SK9000 lacks support for HDR10+, which is a dynamic metadata HDR format that adjusts brightness levels on a scene-by-scene basis. This means that HDR content may not look as good as it could on a TV that supports this format.

Motion Handling

LG SK8500 SK9000 series 4K UHD TV review

The LG SK9000 also does well in handling motion blur. It has excellent pixel response time when it plays fast-paced content like sports or fast videos, it makes motion look smooth and simple.

In fact, it also has an available BFI (Black Frame Insertion Mode), which can flicker at 60 Hz to allow the backlight. This is very helpful when playing content of 60 fps including games or sports, to reduce stability blur.

Yet keep in mind, since its lower-frequency backlight flickers than its normal flicker frequency, which certainly makes the flicker more visible on its frame.

Input Lags

The LG SK9000 also has impressive motion handling capabilities, making it ideal for watching sports or fast-paced action movies. Its excellent pixel response time ensures that motion looks smooth and clear, even during fast-moving scenes. Additionally, the TV comes with a Black Frame Insertion (BFI) mode that flickers at 60 Hz to allow the backlight to strobe and reduce motion blur, which is especially helpful when playing content at 60 fps.

However, it’s worth noting that since the TV’s backlight flickers at a lower frequency than its normal flicker frequency, the flicker may be more visible on the screen.

When it comes to input lag, the LG SK9000 is a great performer. In game mode, with or without HDR, the TV has exceptional input lag performance, with less than 20 ms input lag in almost all forms of inputs. This makes it very responsive when playing games, even fast-paced ones that require quick reflexes. Overall, the LG SK9000 is a great choice for gamers looking for a TV that delivers excellent input lag and motion handling performance.

Is the LG SK9000 Good for Gaming?


Yes, the LG SK9000 is a good choice for gaming. It has a low input lag and fast response time, making it very responsive and suitable for fast-paced games that require quick reflexes.

Additionally, it has excellent motion handling, which helps to display motion smoothly when playing fast action content such as sports or competitive games.

The TV also has an available BFI (Black Frame Insertion Mode) that flickers at 60Hz to allow the backlight, reducing motion blur when playing content of 60 fps including games or sports.

The only downside is that its performance in a dark room is below average, but this is not a significant issue when gaming in a well-lit room. Overall, the LG SK9000 is a great option for gamers looking for a TV with low input lag and smooth motion handling.

Sound quality

Good response level for a TV. It can get very loud but as the volume increases, there is some dynamic reduction of the volume. The extension of the low frequency is fantastic, far better than most TVs so it can produce a decent amount of bass.

Television’s distortion is slightly better than average. It’s stored in lower volumes, and it’s not too bad even at maximum. The peaks of sharp distortion at about 2k and 7k will render the sound of those frequencies a bit harsh.

LG SK9000 Smart TV Features and User Interface

operating system

The LG SK9000 comes with a smart TV platform that includes LG’s ThinQ AI technology, which uses natural language processing to enable voice control of the TV using Google Assistant. The TV also includes built-in Wi-Fi and Ethernet connectivity, allowing it to connect to your home network and the internet.

The TV’s user interface is easy to navigate and provides quick access to your favorite apps and settings. It features LG’s webOS 4.0 operating system, which allows you to access a wide range of streaming services, including Netflix, Amazon Prime Video, Hulu, and YouTube.

The TV also supports HDR content, including HDR10, HLG, and Dolby Vision, which can provide a more immersive viewing experience with enhanced contrast and color. Additionally, the TV’s nano cell color display technology provides a wide color gamut and accurate color reproduction, making it ideal for watching movies and TV shows with vibrant colors.

One notable feature of the LG SK9000 is its full-array dimming technology, which allows for localized control of the TV’s backlighting, providing deeper blacks and improved contrast. However, the number of dimming zones is limited compared to higher-end models, which may affect its performance in a dark room.


What is the difference between OLED and LED TVs?

OLED (Organic Light Emitting Diode) TVs use individual pixels that emit light, allowing for true black levels and superior contrast. LED (Light Emitting Diode) TVs use a backlight that illuminates the screen from behind, resulting in less accurate black levels and contrast. However, LED TVs are generally more affordable than OLED TVs.

What is the difference between 1080p and 4K resolution?

1080p resolution has a total of 2 million pixels, while 4K resolution has a total of 8 million pixels, resulting in a much sharper and detailed image. 4K resolution is also referred to as Ultra HD (UHD).

What is HDR?

HDR (High Dynamic Range) is a technology that expands the range of colors and brightness levels that a TV can display. It provides more accurate and realistic colors, deeper blacks, and brighter highlights. There are several different HDR formats, including HDR10, HLG, and Dolby Vision.

What is input lag?

Input lag is the delay between when a user input (such as pressing a button on a game controller) is registered by the TV and when the corresponding action is displayed on the screen. A low input lag is important for gaming, as it makes the TV feel more responsive and reduces lag between the user’s inputs and the on-screen action.


Ultimately, as long as you’re not using it in a dark room, the LG SK9000’s output is outstanding for its size. It has good peak brightness and anti-reflective coating which makes its performance in a bright room good when it comes to overcoming the glare.

Moreover, its excellent performance in handling motion blur often helps it to display motion while playing fast action contents such as athletics or competitive games.

Not only that, its low input lag often allows it very sensitive to any game. And its good viewing angle range makes the picture shown on the television seems always correct even though you are watching TV from the edge. Ultimately, LG SK9000 is a good mixed usage TV for its price range.

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