The design of the LG 27UD58-B is good. The monitor looks good from the front because of the pretty unique half-moon stand. The black frames look good too, even though they are slightly thicker than most other monitors. Unfortunately, the ergonomic adjustment options are limited only with the possibility of tilting the monitor, making it difficult to find a comfortable viewing position. The build quality is decent and the booth feels stable.

Picture Quality

The LG 27UD58-B offers a passable picture quality. The contrast ratio is mediocre and the black uniformity is poor. Therefore, the picture quality in a dark room might be better. Fortunately, when the monitor is in a brighter environment, the monitor is much cheaper because the peak brightness and the way in which it can handle reflections are decent. The viewing angles (horizontal and vertical) are fine and give the user a good picture, even when viewing the monitor from an off-center position.

The gray uniformity is excellent and the dirty screen effect is not noticeable at all. This is especially useful for multimedia content that, if present, can really be distracting. This monitor does not support HDR and advanced features that are often associated with it, such as local dimming, but the monitor still provides good performance for those looking for a good and accurate monitor.


Motion looks good on the LG 27UD58-B, but not as well as on many gaming monitors. The 27UD58 features fast pixel response, flicker-free backlighting, and supports FreeSync variable-frame rate technology. However, the fairly normal frame rate of 60 Hz limits freedom of movement in some applications, such as playing.


The LG 27UD58-B features a very sharp 4K UHD resolution that can display any pixel in 4K movies and TV shows, but can not be played back with HDR. The monitor also has a very low input delay, which will delight all gamers but most players.


The LG 27UD58-B has all the standard features expected of a monitor, such as image and color settings, as well as some feature-based features such as Super Resolution +, enhanced scaling and Black Stabilizer brightening.

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Mixed Usage

Decent monitor for mixed use. Gaming-oriented features like FreeSync and the low input delay result in good gaming performance, but the image quality is only passable. The sides of the image remain close up due to the wide viewing angles, which is good.


Above-average monitor for office applications. The limited ergonomic settings make it less convenient for colleague colleagues to view pictures or to find a comfortable viewing position for a longer time. The high resolution is a bonus for productivity and multitasking, which is good. The image quality of the LG 27UD58-B is only passable, but the image remains at a good angle.


Good monitor for games. The combination of FreeSync, low input delay and good motion handling results in a responsive and tear-free experience, which is good. Unfortunately, the 60 Hz refresh rate limits performance in fast games and the picture quality is decent.


Decent monitor for media consumption. The coverage of the most commonly used sRGB color space is large and the gray uniformity is good. The picture remains accurate even when viewed at a great angle. Unfortunately, image quality is passable and limited by the low native contrast ratio and poor black uniformity of the IPS panel.


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