The LG 43UD79 is a decent 4k monitor with an IPS panel. The high resolution and large 43" size is good for multitaskers, as it allows viewing multiple documents side-by-side. The IPS panel has a low native contrast ratio so blacks appear gray in a dark room, but the image also remains accurate when viewed from up close. The motion handling is decent, although it doesn't feel as fluid or responsive as other monitors with higher refresh rates.
The design of the LG 43UD79-B is decent. The base of the stand is rectangular and does not resemble other LG monitors. It will give you a hard time to position it exactly as you want it as the ergonomics are almost non-existent. You will be better off VESA mounting it. On other aspects of the design, the built quality is good and you should have no issues with it.
The back of the 43" LG 43UD79-B monitor looks good. There is a VESA mount for attaching it to a stand (something we recommend you do if you wish to have any positioning adjustment capability). All of the inputs are pointing downwards on the center of the back of the monitor, and the rear of the stand provides a small passage for cable management.
The picture quality of the LG 43UD79 is decent. It has an IPS panel that will not give you deep blacks in dark rooms but on the other hand, the monitor has good viewing angles and you will not have any uniformity issues on the edges if you sit close to this large size monitor. It has decent brightness and good reflection handling so placing it in average-lit environments is best. The gray uniformity is also good so you are unlikely to notice major clouding when browsing the web. Finally, it has a wide color gamut and very good color accuracy.
The monitor has a disappointing contrast ratio. The LG 43UD79 is not a monitor for use in a dark room as it can't really reproduce deep blacks. However, this should not be an issue for a brighter room and is on par with other IPS monitors.
The LG 43UD79-B does not have a local dimming feature. The video is for reference only.
The SDR peak brightness of the monitor is decent. The LG 43UD79-B manages to keep a stable level of brightness no matter how much area of the screen the white square covers, and this is great. This is good for consistent brightness levels as you change between windows.
HDR is not supported.
Decent horizontal viewing angles on this IPS panel LG 43UD79-B monitor. The image remains accurate for relatively large angles from the center, and this is great.
The vertical viewing angles of the LG 43UD79 are very good. They will not cause any uniformity issues even when you view the monitor from up close.
The gray uniformity of the LG monitor is good. There is a little clouding and some dirty screen effect present when browsing the web, but most people won't notice it.
The black uniformity is very bad. In the intentionally overexposed test image above, you can observe the clouding that forms on either side of the screen. This will not look as severe in person.
The out-of-the-box color accuracy of this monitor is very good. The best out of the box settings were obtained with the Dark Room 1 picture mode. With these settings, the white balance dE was well below our target of 3, and the color dE was at 2.56. Gamma was slightly higher than our target of 2.2 and color temperature was almost at our target of 6500K. All these mean that very few people will notice color inaccuracies.
The post calibration color accuracy of the LG 43UD79-B is excellent. We changed the picture mode to Custom and set the RGB colors to 58-42-25, the Luminance setting to 16 and the Contrast to 70. This gave us the results that you see above which are excellent in terms of color accuracy.
You can download our ICC profile calibration here.
sRGB picture mode tested: Custom
Adobe RGB picture mode tested: Photo
This LG 43UD79-B monitor has a great coverage of the s.RGB colorspace that is used in most applications. However, the coverage of the wider Adobe is limited and probably won't be enough for users that want to edit for professional graphics or print applications.
sRGB picture mode tested: Custom
Adobe RGB picture mode tested: Photo
The color volume of this monitor is very good. However, it's disappointing contrast does not allow it to display dark shades of colors well.
HDR is not supported.
HDR is not supported.
The LG 43UD79 does a remarkable job at displaying the gradient test image. There is almost no banding visible. As this monitor supports 10-bit input, no banding generally seen on 8-bit monitors is visible. Overall, this is an excellent result.
Almost a perfect score in color bleed. Nearby colors are not affected by large uniform shades and this is good for accuracy.
The LG 43UD59-B has decent motion handling. It has a fast response time and that is good for fast moving content like first-person shooters, but the monitor does not support any of the advanced gaming features like variable refresh rate to avoid tearing, and it only has 60Hz refresh rate.
The response time on the LG 43UD79-B is great, which is good for fast moving content like first-person shooters. The Response Time Normal overdrive setting is the most balanced; the Fast setting has a faster 80% response time, but since it adds a lot of overshoot its 100% response time was noticeably longer.
This LG 43UD79-B has no visible flicker in its backlight as it dims, which is great.We did measure some flicker with our photodiode tool, but this will not be visible in person. This lack of visible flicker makes motion look smoother.
There is no Black Frame Insertion option that helps clear up blur, on this monitor.
Mediocre refresh rate results. This monitor only supports a refresh rate of 60Hz, and has no variable refresh rate option to smooth out tearing.
The LG 43UD79-B is a large size monitor with native 4k UHD support. It has a low input lag that will please gamers and has sockets for a variety of inputs.
Lowest input lag possible at the center of the screen, when the monitor is displaying an alternative resolution at its native refresh rate. The non-native resolution tested depends on the native resolution of the monitor, following this pattern unless otherwise specified in the Input Lag text:
|Native Resolution||Non-Native Resolution Tested|
The input lag of the LG 43UD79-B is excellent and will keep most satisfied except maybe the most competitive e-sports gamers. Many 60Hz monitors have similar input lag, like the such as the LG 32UD59-B or the Dell U2715H. Other 144Hz monitors like the Samsung CHG70 have lower input lag due to their higher refresh rates.
This LG 43UD79 has an excellent resolution for its 43" size. It is a pure 4k UHD monitor that has a high pixel per inch density and it is hard to spot individual pixels. The size is great for multitasking.
HDMI 1/2 only support 4K@30Hz (HDMI 1.4).
HDMI 3/4 can support 4K@60Hz (HDMI 2.0).
USB port 1 supports fast charging when the Quick Charge setting is enabled.
The LG 43UD79-B has some amazing features like the Picture-In-Picture (PIP) or even Picture-Beside-Picture (PBP), that allow you to use the large size of the monitor to its full extent. This monitor also has speakers which can get very loud and sound better than the average monitor speakers even though they lack some bass.
Some major features of the LG 43UD79-B are the Picture-In-Picture (PIP) and Picture-Beside-Picture (PBP) modes, which share the screen between up to two different inputs (PIP) or four inputs (PBP). This way, the 43UD79-B can act as up to four 1080p monitors in PBP. The display area of the Sub input can be adjusted as well as its transparency in the PIP mode.
The monitor can enable fast charging on USB port 1 by activating the Quick Charge setting.
The speakers can get considerably loud during playback. Even though the speakers lack some bass, which is usual for monitor speakers, they produce a clear sound that will satisfy most people.
There is a small joystick nub under the center of the screen which controls the on-screen display and also acts as the power button. This way of navigating the OSD is very intuitive and is better than the four button scheme present on most monitors. This joystick is used on many other LG monitors like the 27UD58-B, as well as on some Samsung monitors like the CHG90.
If someone comes across a different type of panel or if their 43UD79-B doesn't correspond to our review, let us know and we will update the review. Note that some tests such as the gray uniformity may vary between individual units.
|32UD99-W||32"||60Hz||2017||White variant. Supports HDR10|
The LG 43UD79-B is a decent monitor for most usages. It has a native 4k resolution and its large size and good viewing angles make it a good choice for working with colleagues. See our recommendations for the best 4k monitors and the best PC gaming monitors.
The LG 32UD59-B is better than the LG 43UD79, unless the larger screen is really important to you. The LG 32UD59-B has better ergonomics and can be more easily adjusted to a comfortable viewing position than the 43UD79, which has very little adjustments. The LG 32UD59-B has better motion handling, as the faster refresh rate produces less motion blur. The 43UD79 has wider viewing angles, which is important for a screen this size.
The Dell U3417W is a bit better than the LG 43UD79. The U3417W is a bit brighter and has more vibrant colors due to the better color volume. The U3417W has better ergonomics and it is easier to adjust to a comfortable position, whereas the LG 43UD79 has very limited adjustments. It has lower input lag and the larger screen provides more screen real estate, good for productivity.
The Dell U2715H is better than the LG 43UD79, unless you want a large screen. The Dell U2715H has much better ergonomics and can easily be adjusted for an optimal viewing position, great if multiple people will be using the monitor. The LG 43UD79 has a much larger screen and higher native resolution, so you can see more details and it is easier to multitask.
The Dell U2717D and the LG 43UD79 are very similar, and the best one will depend on your needs. For productivity, the LG 43UD79 offers more screen real estate, making it easier to see more and do more at the same time. The Dell U2717D offers better ergonomics that can be easily adjusted for the optimal viewing position, which is great if you have multiple users.
The LG 43UD79 is a better monitor than the Samsung UE590 for almost every usage. It is larger in size and has better viewing angles due to its IPS panel vs the TN panel of the UE590, so it is more suitable for cooperative use. On the other hand, the UE590 has the FreeSync implementation of the variable refresh rate technology that helps remove tearing and gamers will find it more appealing.
The LG 43UD79 is a better monitor than the HP V320. They both have IPS panels that offer decent viewing angles, but the 43 inch LG is larger and has UHD resolution that simply gives you more screen space and detail to work on. The LG has also an out-of-the-box picture quality that is better.