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LG UltraWide 29UM65-P monitor review and testing

In this review we continue to learn the monitors of LG Company. Let’s remind that in our lab we have already tested the models of this manufacturer with a screen size 23” (LG 23ET83V-W), 24” (LG 24MP76HM-S) and 27” (LG 27MP75HM-P). Now it’s time to get acquainted with “heavy artillery” 29-inch solutions. The range of products supplied to the market under the brand LG has some monitors of this size. We decided test the model LG UltraWide 29UM65-P which has screen format of 21:9, supports a resolution of 2560 X 1080 and its cost is about $ 500.

LG UltraWide 29UM65-P

The specs:




UltraWide 29UM65-P 

Matrix type




Monitor size, mm

29 / 730

Screen format


Optimum resolution and frequency, Hz

2560 х 1080 @ 60

Pixel, mm

0,09 x 0,26

Brightness, cd/m²


Contrast Ratio (statistical/dynamic)

1000:1 / 5 000 000:1

Matrix Response Time (GtG), ms


Color numbers, M.


Horizontal scanning frequency, KHz

30 - 90

Vertical scanning frequency, Hz

DVI, DisplayPort

50 - 75



25 - 60

Viewing angles (h/v) till the contrast > 10:1,°

178 / 178

Video output

2 x HDMI
1 x DisplayPort
1 x DVI-D

Audio output

2 х 3,5 mm

USB 2.0


USB 3.0


On-board speaker capacity, W

2 х 7


Capability to display the image simultaneously from two sources (technology LG PBP); technology Flicker Safe which significantly reduces blinking level

Wall mounting

Yes (VESA 75 mm)

Dimensions (including stand), mm

703 х 328 (418) х 64 (181)

Weight (including stand), kg

5,2 (6,2)

Producer website


Packaging and content

LG UltraWide 29UM65-P

Monitor LG UltraWide 29UM65-P is shipped in a big cardboard box that which provides protection against shock and possible mechanical damages. For easy portability on top you can use a plastic handle. As always, the design of the packaging includes a picture of the device at different angles, as well as specification of a list of its main features:

  • IPS - a modern matrix type IPS, which is characterized by good color rendering accuracy and wide viewing angles is applied;
  • 29 "[73 cm] - screen size is 29 inches or 73 cm;
  • 21: 9 Ultrawide – screen format of the display is equal to 21: 9;
  • 4-Screen Split - capabilty of separating the working space into four zones;
  • Mac Compatible – complete compatible with devices operating under operating systems Apple MacOS;
  • Dual Linkup - simultaneous display of images from two different sources.

LG UltraWide 29UM65-P

The set of delivery includes the following components:

  • leg and stand;
  • decorative false panel with a holder for cables;
  • AC adapter (AC: 100 – 240V/50 - 60 Hz / 1.4A; DC: 19 V / 2.53 A);
  • power cable;
  • cable with HDMI sockets;
  • audio cable;
  • mounting screws;
  • CD with documentation and software;
  • user’s manual

Separately we would like to note the presence of cable with HDMI interfaces which is quite rare item in the set of delivery.

Design and usage properties

LG UltraWide 29UM65-P

LG company pays great attention to the design of own decisions. This fact was already noted during during testing models LG 24MP76HM-S and LG 27MP75HM-P. The same can be said about LG UltraWide 29UM65-P. This monitor has a stylish black color with a glossy shine. The only matte element is the matrix with a protective coating 3H. Naturally, the case has a "frameless" design. In combination with the large-size (29") it only emphasizes strict, but at the same time cultivated design of the display. Due to this aspect the design of model LG UltraWide 29UM65-P is favorably among its competitors and perfectly fit into the interior of the office or home.

To avoid possible misunderstanding, we note that the frame around the screen is present, but it is much thinner (about 10 mm) than in standard solutions of the same size.

LG UltraWide 29UM65-P

The power supply unit is outside the monitor so it has a relatively small case thickness. In the center of the rear panel there are mounting holes VESA 75 mm. Thus, LG UltraWide 29UM65-P can be mounted on the table and the wall. The weight of the monitor is quite small 6.2 kg with the stand and 5.2 without it.

LG UltraWide 29UM65-P

The manufacturer has refused to use acrylic for the leg. HE decided to apply more durable material, i.e. metal. The top of the entire structure is covered with glossy plastic panels.

LG UltraWide 29UM65-P

The leg cannot be called a very functional, since it has the adjustment of the angle of the display within -5°...+ 20°. Taking into account the size, we would like to have the screen adjustment in terms of height. However, in this case the thickness and weight of the product will be increased.

LG UltraWide 29UM65-P

LG UltraWide 29UM65-P

Video connectors are represented by digital ports: two HDMI, one DisplayPort and one DVI-D. All graphics interfaces support a resolution of 2560 х 1080 at frequency sweep 60 Hz. Also note PSU socket and two audio outputs: one of them (black) is designed to connect the audio cable to the sound card, the other (green) is used to connect headphones.

Model LG UltraWide 29UM65-P is equipped with two speakers built into the bottom end of the case. Their total capacity is 14 W, and the sound quality is at a fairly acceptable level (especially compared to tested monitors) although the low frequencies are still not enough. In any case, its capacity will be enough not only for audio playback of Internet, the implementation of video calls or video conferencing, but also for listening to music in the workplace.

LG UltraWide 29UM65-P

The display is controlled by a special joystick arranged between the speakers. Compared with traditional buttons it is much easier to navigate on-screen menu making the process quite intuitive. During operation, the joystick seemed to us too "tight", but according to LG representatives this is a feature only of our sample.

LG UltraWide 29UM65-P

In the middle of the bottom part of the case there is an indicator of the device status. In active state the display is white matt. In this case, the brightness is quite mild and do not distract the attention in the dark.

Display menu and operational demonstration of proprietary technologies

LG UltraWide 29UM65-P

The model LG UltraWide 29UM65-P has modified not only in navigation system of the menu but also in the structure. Pressing the joystick, you can move on to configuring the monitor, select one of the two reading modes, enable technology LG PBP or just turn off the monitor.

LG UltraWide 29UM65-P

All settings are focused on several tabs, the first of which is called "Rapid access" Here are the main parameters responsible for the brightness and contrast of the display, speaker volume, choice of video interface and change the format of the image output. Access to energy saving technology and preset profiles can be found in the "Function" section.

LG UltraWide 29UM65-P

LG UltraWide 29UM65-P

Control of technology of simultaneous image output from two different sources is in a separate tab - «PBP». To fine-tune the color rendering you should use the options of "Display" section. There is a choice of values of the black field, gamma, color temperature, as well as configuration of the six basic colors.

LG UltraWide 29UM65-P

As for the proprietary technology LG PBP, it operates pretty well. Image display from two PCs is carried out without any problems. In this case, the picture takes up the entire visible area of the screen.


The monitor has six profiles: “User”, “Photo”, “Movie”, “Games”, “Reading1” and “Reading2”. Note that the last two are not suitable for everyday use. As you might guess from the name, they are configured to reduce eye strain during extended reading from the screen.







White area brightness, cd/m2 







Black area brightness, cd/m2 







Contrast coefficient, х:1







Color temperature of white dot, К







Correspondence of color space with sRGB standard, %







Correspondence of color space with AdobeRGB standard, %







Average deviation dE*94 (E)







Maximum deviation dE*94 (E)







Average gamma







Power consumption, W







According to testing, the model LG UltraWide 29UM65-P has a very high brightness threshold of 343 cd/m2, which is even higher than stated in the specification. Thus, the user can easily find the right value depending on the external lighting. For reading modes this parameter in decreased to 77-78 cd/m2.

The level of static contrast ratio reached 1220:1, which is an excellent indicator. Therefore, by purchasing this monitor you will get the screen juicy picture with rich colors, regardless of the used mode. The only exceptions are the profiles for reading. However, the contrast ratio for them is artificially reduced to 74:1 to mute all the details in the picture and emphasize dark objects. At low brightness of the text will not be dull gray, but still black.  

Basic features of the model LG UltraWide 29UM65-P are truly at a height and correspondence with the values listed in the specification. Now let's examine the colors rendering.

LG UltraWide 29UM65-P

CIE-diagram of “User”, “Photo”, “Reading1” and “Reading2” profiles

LG UltraWide 29UM65-P

CIE-diagram of “Movie” profile

LG UltraWide 29UM65-P

CIE-diagram of “Games” profile

Color gamut of sRGB area in all cases is above 94% and during the activation of profiles “User” and “Photo” it is 97.4% and 98.7%, respectively. The results are excellent. In the reading modes this figure is even higher, but we should not forget that they will not fit for everyday use.

LG UltraWide 29UM65-P

Diagram of main color and hue deviations from references in “User profile

LG UltraWide 29UM65-P

Diagram of main color and hue deviations from references in “Photo profile

LG UltraWide 29UM65-P

Diagram of main color and hue deviations from references in “Movie profile

LG UltraWide 29UM65-P

Diagram of main color and hue deviations from references in “Games profile

LG UltraWide 29UM65-P

Diagram of main color and hue deviations from references in “Reading1” and “Reading2” profiles

During measuring color rendering accuracy the best result was recorded in mode "User": the average deviation dE * 94 (ΔE) was 0.46 with an acceptable value of 1.5. Such indicator is perfect. Slightly worse in this regard look profiles "Photo" and "Movie", but the mode "Games" is the outsider. In itt almost every shade is several times higher than the maximum value of the deviation according to standard CIE 1994.

It is worth to point the reading modes. After selecting these profiles, all the illustrations in the text remain quite legible and will have faded shades.

LG UltraWide 29UM65-P

Graph of RGB  level of “Games” profile

LG UltraWide 29UM65-P

Graph of RGB  level of “User”, “Photo” and “Movie” profiles

LG UltraWide 29UM65-P

Graph of RGB  level of “Reading1” profile

LG UltraWide 29UM65-P

Graph of RGB  level of “Reading2” profile

The graph of RGB levels explains the problem with incorrect color rendering in the mode "Games": blue component is overstated that gives the whole picture a "cold" color. We strongly recommend you abstain from its usage. Other profiles for everyday use ("User", "Photo" and "Movie") don’t have this problem: curves of the three primary colors are pretty close near the reference line of 100% (range 90% - 110%).

The settings of reading modes. Due to the strong understated blue channel and the increased red component the manufacturer has changed the color of a white background to yellowish substrate. Thus, the e-book page will resemble a page from a real paper book.

LG UltraWide 29UM65-P

Graph of “User”, “Photo”, “Movie” gamma-curves

LG UltraWide 29UM65-P

Graph of “Games” gamma-curves

LG UltraWide 29UM65-P

Graph of “Reading1” and “Reading2” gamma-curves

The gamma setting in the monitor LG UltraWide 29UM65-P is not the excellent. In all cases there is a small deviation of gamma curves from the reference line. On the bright scenes the objects with a predominance of blue colors will look a bit more contrast than they should actually be. Although of course, in the real world, this feature will not be noticeable to the human eye.

As for the values of the average gamma range, in profiles "User" and "Photo" it is very close to the "reference" indicator 2.2: 2.21 and 2.22, respectively. After activating the other modes the situation is slightly worse.

Summarizing the intermediate results, we have the following: for everyday use we recommend to choose profiles "User" or "Photo", for reading "Reading1" and "Reading2". All of them are perfectly tuned and have well-chosen parameters for a specific type of task.

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