When comparing ASUS PB279Q vs LG 29UM68-P, the Slant community recommends LG 29UM68-P for most people. In the question“What are the best monitors?” LG 29UM68-P is ranked 20th while ASUS PB279Q is ranked 31st. The most important reason people chose LG 29UM68-P is:
Because of the wide aspect ratio, LG offers a built-in picture-in-picture mode (referred to as Split Screen) to display two inputs at once.
Specs
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Pros
Pro Thin bezels
The top and side bezels are about 13mm thin with the bottom bezel being slightly thicker at 18mm.
Pro Reasonably good luminance uniformity
The screen also has good luminance uniformity, providing a evenly lit picture. At the dimmest point, the deviation is 12% from the brightest point (141.4 cd/m² to 160.4 cd/m²).
Pro Low input lag
Complete input lag time (signal delay and pixel response time) is 7.4ms or under ½ of a frame.
Pro Easily adjustable
The monitor tilts (5° forward, 20° backward), swivels (60° to both the left and right), pivots (90° clockwise, allowing it to be used in portrait mode) and allows adjusting height between 43mm (1.69") to 410mm (16.14").
Pro Good contrast and brightness
According to tests performed by PC Monitors, PB279Q set to factory defaults (90% brightness, "Splendid" preset) produces luminance in the range of 0.24 - 282 cd/m² with a contrast of 1175. It provides both lots of brightness and reasonably dark blacks.
Pro Good color accuracy
The monitor covers all of sRGB space and represents the colors accurately.
Pro Picture-in-picture mode easily displays two inputs at once
Because of the wide aspect ratio, LG offers a built-in picture-in-picture mode (referred to as Split Screen) to display two inputs at once.
Pro Looks great from every angle
The LG 29UM68 uses has great viewing angles, both vertically and horizontally. Color shifting (distortion of colors when viewed at a wide angle) doesn't occur.
Pro No noticeable backlight bleeding
The monitor doesn't allow any light of the backlight to get through, which results in no noticeable backlight bleeding: that means dark areas remain dark as intended.
Pro Good value for the money
The LG 29UM68 is relatively inexpensive compared to other 21:9 displays and is a great budget choice if you're specifically looking for an ultra-wide display.
Pro Aspect ratio is ideal for movies, offers greater field of view in games
The LG 29UM68 is a display with a rather unique 21:9 aspect ratio, which is ultra-wide. The difference with a regular 16:9 display is that there are added pixels on both sides, which increases workspace. It's also ideal to watch movies as most recent movies are filmed in a widescreen aspect ratio. Some games also offer support for 21:9 monitors and will allow you to have a greater field of view.
Pro Provides great image quality and color reproduction
The IPS-panel used in LG's monitor offers great image quality, especially compared to the more common TN-panels. Contrast is great with a 1000:1 ratio (better blacks), luminosity is excellent, images are vibrant and the color reproduction is great as well. These attributes are all due to the fact that an IPS panel was used.
Cons
Con A maximum refresh rate of 60Hz can be a concern for some
A 60Hz monitor, while sufficient for most people in most cases, can still cause issues with fast-moving objects on screen. It's especially important with things like gaming where the ability to react to events happening on the screen quickly is important.
Con Minor color temperature uniformity issues
According to Spyder4Elite tests performed by PC Monitor, PB279Q has color temperature issues that can be seen with the naked eye. A DeltaE deviation of over 3 can be easily noticed and the left side of the monitor deviates between 2.4 and 3.1.
Con AHVA glow
AHVA glow is the light on the sides or corners of the screen that can reduce some of the peripheral detail.
Con HDMI connections are limited to 30Hz
DisplayPort 1.2 (or MiniDP 1.2) is needed to run at 60Hz.
Con Refresh rate limited to 75Hz, not great 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, as it offers a more fluid gaming experience.
Con Slow response time
The response time for the screen is limited at 5 ms, which is significantly slower than some other monitors. This makes the LG 29UM68 less ideal for gaming situations that require quick input.
