When comparing AOC U2879VF vs LG 38UC99-W, the Slant community recommends AOC U2879VF for most people. In the question“What are the best monitors?” AOC U2879VF is ranked 14th while LG 38UC99-W is ranked 29th. The most important reason people chose AOC U2879VF is:
The AOC U2879VF has excellent screen uniformity, both in terms of luminance and color. In fact, this panel scores extremely well with a luminance deviation of 6.32 percent - which is better than most displays with IPS panels. No backlight bleeding or hotspots are present.
Specs
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Pros
Pro Excellent screen uniformity
The AOC U2879VF has excellent screen uniformity, both in terms of luminance and color. In fact, this panel scores extremely well with a luminance deviation of 6.32 percent - which is better than most displays with IPS panels. No backlight bleeding or hotspots are present.
Pro Fast response time, great for gaming
With a response time of just 1ms, the AOC U2879VF is one of the fastest monitors on the market. Ideal for fast-paced gaming situations such as first person shooters.
Pro Thin bezel makes it ideal for multi-screen setups
The bezel of this display measures a thin 17 mm, which doesn't only result in a smaller build, but it makes the U2879VF also more suitable for multi-display setups.
Pro Support for MHL allows you to quickly connect a media device
This monitor supports MHL - short for Mobile High-Definition Link - which allows you to connect an Android smartphone or tablet to the U2879VF monitor.
Pro Excellent grayscales in sRGB preset, great for graphical work
When using the sRGB preset - which is particularly useful for graphical editing - the grayscale error readings of the U2879VF are quite low for a relatively inexpensive panel. The error measures was 0.93 Delta E - that's only a tad worse than specific graphical displays which retail for a much larger price. For comparison, a standard 28" TN panel measures at 1.60 Delta E. (Lower is better.)
Pro Extremely sharp
The AOC U2879VF uses a 4K-display with a resolution of 2160 x 3840 pixels, which is four times the amount of pixels of a Full HD display. This results in an extremely sharp image and overall great image quality. In terms of pixel density (measured in pixels per inch), this display measures at 163 ppi. For comparison - a Full HD display of the same size will only achieve half of that - 81.5 pixels per inch.
Pro Great value for the money
The AOC U2879VF is a cheap Ultra HD display with good image quality, the price/quality ratio of this display is quite high.
Pro Excellent general purpose monitor
Impressive amount of on-screen real estate, excellent picture quality, exceptional connectivity, and great color accuracy puts the LG 38UC99-W above nearly all competitors in the market.
Pro Supports 85W charging over USB-C
You can charge your laptop and have display output through a single cable thanks to the monitor's USB-C port.
Pro Features On-Screen controls
You can access all the general features of this monitor using your mouse and a keyboard thanks to the LG’s On-Screen Control software.
Additionally, the On-Screen Control offers many screen split presets.
Pro Perfect for multi-tasking
Having enough display real-estate to fit three vertically aligned Google Docs windows comfortably, the LG 38UC99-W is an excellent tool to boost up the productivity in everyday office duties, CAD/CAM applications, and many other fields.
Pro Excellent for watching movies
Acing the near-cinematic aspect ratio of 21:9, the LG 38UC99-W is an excellent companion to watch movies because you won't see the black bars at the top and bottom of the screen when watching most movies.
Pro Has a pair of good speakers
The LG 38UC99-W features a built-in 20 Watt stereo speaker system which sounds fairly well compared to the 4-10 W speakers the competitors at this price point offer.
Pro Exceptional connectivity
This monitor beats most of its premium competitors in terms of connectivity because it features a USB-C downstream port which has multiple parallel functions. First, you can use it to access the monitor's onboard USB hub. Second, it can be used for charging a USB type C compliant laptop. Finally, you can use it to receive video and audio signal from a computer.
Additionally, the LG 38UC99-W has two HDMI ports, a DisplayPort, and an inbuilt Bluetooth module.
Pro Supports dual linkup
You can connect this monitor to two computers so that each machine use half of the on-screen area. This might come in handy for those who frequently use a stationary desktop computer and a laptop.
Pro Great picture quality
Only the best monitors can match the LG 38UC99-W's contrast ratio, peak brightness, gamma, and color accuracy, as the monitor features one of the finest IPS panels in the industry.
The LG 38UC99-W displays beautiful pictures, with deep and rich blacks, vibrant and accurate colors, and good-looking intermediate tones. Despite the fact that the monitor's native contrast ratio is only 1000:1, the dark scenes look deep and intense as the backlight of the 38UC99-W can drop below the brightness level of 0.15 nits, which only the best monitors can do. Colors pop and look vivid, as the 38UC99-W can sustain its brightness above the 300 nits mark. The mid-tones look lifelike thanks to the monitor's near perfect gamma value, which is only 1.3% off from the ideal value.
Moreover, the monitor's color inaccuracies can't be seen by the human eye because it only has an average color error dE of 2.12.
Cons
Con Disappointing input lag
The absolute input lag measured on this display is quite high at 87 ms. Although this won't disturb casual players, it's definitely not ideal for fast-paced gaming situations - despite a fast response time.
Con Maximum refresh rate limited to 75 Hz, less ideal for fast-paced action
The maximum supported refresh rate of this monitor is 75 Hz or 75 frames per second which is a tad faster than non-Freesync monitors, but is not as good as 120 or 144 Hz displays. Especially fast-paced games benefit from a higher refresh rate, for a more fluid gaming experience.
Con 4K resolution doesn't scale well with all software
Due to the native 4K resolution and the relatively small 28 inch screen size, text can be hard to read in Windows and other non-gaming environments, such as Adobe's software. Not everything scales well in 4K (yet).
Con Red is slightly under-saturated
The display suffers from a slight under-saturation of the red color, which is a caveat for some graphical applications. This also can't be fixed through software, it's a hardware limitation of the panel.
Con Doesn't offer support for VESA mounts
The design of this display is proprietary and there is no support for the universal VESA standard. As a result, wall-mounting this display isn't possible, and alternative stands aren't compatible as well.
Con Very expensive
For the same price as this monitor, you can buy three decent 27-inch ultrawide monitors.
Con Bluetooth indicator is inconvenient
The monitor's Bluetooth indicator occupies the on-screen workspace. Unfortunately, there is no way to remove the indicator while using the Bluetooth speaker option.
Con Has an external power brick
The external power supply unit of the LG 38UC99-W might cause inconvenience especially if you want to mount this monitor on a wall since the PSU is quite bulky.
Con Wobbly
The stand isn't rigid, so you might observe some minor wobbling if your work desk is flimsy,
Con OSD is quite messy
The on-screen-display of the LG 38UC99-W does not have any programmable shortcut keys and is quite hard to navigate.
For example, to enable or disable the motion blur reduction feature, you’ll need to press more than 15 keys because the menu goes very deep.
Con Unsuitable for gaming
Gaming just doesn't feel responsive because of the monitor's massive input lag.