When comparing iiyama ProLite B2783QSU-B1 vs AOC U2879VF, the Slant community recommends iiyama ProLite B2783QSU-B1 for most people. In the question“What are the best FreeSync monitors?” iiyama ProLite B2783QSU-B1 is ranked 8th while AOC U2879VF is ranked 10th. The most important reason people chose iiyama ProLite B2783QSU-B1 is:
The B2783QSU-B1 uses a sharp 1440p resolution which is a noticeable improvement over Full HD in terms of desktop size and in-game image quality. Compared to Full HD, there are 1.7 times more pixels displayed on the screen. This screen measures at 108 pixels per inch (ppi), while a Full HD resolution would result in a noticeably less sharp 82 ppi.
Specs
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Pros
Pro Sharper than Full HD
The B2783QSU-B1 uses a sharp 1440p resolution which is a noticeable improvement over Full HD in terms of desktop size and in-game image quality. Compared to Full HD, there are 1.7 times more pixels displayed on the screen. This screen measures at 108 pixels per inch (ppi), while a Full HD resolution would result in a noticeably less sharp 82 ppi.
Pro Good brightness levels
Although Iiyama claims this panel provides a brightness of 350 cd (candela) per square meter, test results have shown that the actual result is even better than specified. With a a maximum brightness of 378 cd/m², this display outperforms the majority of its competition with similar displays only capable of reaching 300 cd/m². Especially for working environments with large amounts of natural light, a screen with a very high brightness such as the B2783QSU-B1 is very helpful.
Pro Great image quality
The image quality provided by the B2783QSU-B1 is excellent, as shown in multiple benchmarks. One of the ways this can be measured is by color temperature. The temperature of 6500 Kelvin is considered to be ideal for normal usage, as is corresponds to the color temperature of daylight. This display manages to achieve 6301 K - a 97% result. The same can be said of the gamma value which measures at 2,25 - the ideal result is 2,2. Contrast-wise, this monitor is also impressive with a result of 433:1 in the 'checkerboard test' - the most extreme situation for contrast testing. For comparison: the average results of the checkboard test is 300:1. In a more realistic contrast environment where images aren't either extremely black or extremely white, the monitor also holds up very well with 995:1.
Pro Fast response time ideal for fast-paced action
With a response time of just 1ms, the iiyama ProLite B2783QSU-B1 is one of the fastest monitors on the market. Ideal for fast-paced gaming situations such as first person shooters.
Pro Low power consumption
Compared to other 27 inch displays with this resolution, the power consumption of the B2783QSU-B1 is fairly. At maximum brightness, the screen will require 45,7 watts of power, which is slightly below average. However, this display really shines in stand-by power consumption with only 0,4 watts of usage.
Pro Easily adjustable stand
You can easily adjust the height of the monitor, and you can also rotate it and switch between landscape and portrait mode.
Pro DVI and DisplayPort cable included
Both a DVI-D and a DisplayPort cable are included in the box, with the latter ensuring the best possible image quality and features.
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.
Cons
Con Mediocre vertical viewing angles
As the ProLite B2783QSU-B1 uses a TN-panel which has the characteristic of having mediocre viewing angles compared to IPS-panels. Some color shifting occurs when viewing the monitor at vertical angles.
Con Maximum refresh speed limited to 70Hz
The iiyama ProLite B2783QSU-B1 is not as fast as some other gaming monitors, despite the fact that is supports AMD FreeSync. The minimum refresh rate is 48 Hz, with a maximum of 70 frames per second. Some of the more fast-paced games don't look as fluent on this iiyama as on other displays with a higher refresh rate.
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.