Introduction and design
The Asus MG248Q breaks a lot of the rules we've become used to with desktop PC monitors. It's a 23.6-inch display with a 1080p native resolution that's aimed squarely at gamers, with emphasis placed on features that will result in lightning-quick response times and fast refresh rates over image quality.
It uses a twisted-nematic (TN) panel, rather than the more advanced in-plane shift (IPS) technology. TN screens have fallen out of favor in recent years, as they can't offer the same viewing angles as IPS, so when they're viewed from an angle that's not quite head on the colours will appear ever so slightly less bright or the colours skewed. The 16.7-million colour TN screen in the Asus MG248Q is limited to 170 degree horizontal and 160 degree vertical viewing angles.
But by opting for a cheaper panel technology, Asus has managed to add some extra features while keeping the price within very reasonable bounds.
Speed demon
It has a 144Hz refresh rate, and TN panels naturally have a faster 1ms response time than IPS, which typically varies around 4ms at best, and above 10ms at worst, which is crucial for lightning-quick reactions in games. And there's also support for a technology called Adaptive Sync. These features will offer some pretty fast performance when gaming.
Until the last year or so, monitors were a fairly mundane component in a PC build, without much major variation between models, aside from screen sizes or panel technology. Just about all 24-inch LCD displays now on the market can produce a picture that is good enough for general desktop use, and with falling prices across the board, they are relatively inexpensive as well, freeing up your PC building budget to be spent on other components, like a better graphics card or faster processor.
But for gamers, things have changed recently. There are now displays that offer 4K resolution, there are ultra-wide, curved displays that dominate your desktop, with screen sizes that go up to 35-inch. Displays now offer faster refresh rates, beyond the normal 60Hz that has been the standard since the invention of VGA graphics. And there are two competing technologies that improve 3D animation, by eliminating the visible tearing effect that sometimes happens in games.
These are called G-Sync, for use with Nvidia graphics cards, and Adaptive Sync, which is the successor to AMD's FreeSync technology, and works with both Intel and AMD graphics cards. They work by synchronising the monitor's refresh rate with the frame rate of your video card.
This distinction between competing technologies and the different video cards they support is a crucial aspect of the Asus MG248Q. If you have a GeForce, you won't be able to use Adaptive Sync on the MG248Q, but you will still be able to run games at 144Hz, which will offer a vastly superior gaming experience to a standard 60Hz display.
For the best gaming performance, it's no longer enough to simply own a very powerful PC. You also need a display that supports some of these features. We can't exactly demonstrate the difference when you're playing games on a display with G-Sync, Adaptive Sync, or a super-fast refresh rate, but take our word for it (or check it out in a PC shop) and you'll see Adaptive Sync is a very noticeable effect. Animation become buttery smooth, with no on-screen tearing in certain scence. Characters move in a far more realistic manner, and it's one of those subtle things that you get used to very quickly.
It can get expensive if you want all these modern features though. There are now displays on the market which alone cost more than a typical mid-range PC. You can spend up £1000 for an ultra-wide curved display with a high refresh rate.
Perhaps, then, the killer feature of the Asus MG248Q is its pricing. At £269 it brings down the cost of these top-end features, which were previously only available on displays that were priced beyond the level most people would spending on a PC monitor.
A 144Hz refresh rate, with Adaptive Sync, at a reasonable price. But there's a bit more to the MG248Q. The design and build quality is notably rock solid, an immediately noticeable improvement on many competing displays in this approximate price bracket.
Asus has used the same dark grey and red styling seen on some of its more high-end displays, with a small red joystick and large chunky buttons sitting behind the panel to control the on-screen menus.
Out of the box, the MG248Q ships in two main parts, with the panel and stand requiring some simple assembly. The back of the display has a cool pattern of random lines and shapes over it for some variation on plain, flat plastic.
The screen tilts forwards and backwards, can be raised and lowered, pivots round into portrait mode and rotates on the spot, with a bright red groove around the base. There's a narrow cable management hole at the back of the stand and the plastic bezel is fairly thin, measuring just a few centimetres across. It's not as thin as some 'bezel-free' displays, but you'll still see the difference if you're used to an older monitor with a chunky plastic edge.
The offering of display inputs isn't especially generous. You get a DisplayPort 1.2 connector, HDMI and DVI. There are also built-in speakers, which unsurprisingly aren't very loud, but are clear, at least.
Performance
In the menus, Adaptive Sync is an option that you'll need to enable manually before the effect takes hold in games, while 144Hz is an option that should always appear when choosing a resolution in whatever game you're playing. Adaptive Sync works at a far greater range of refresh rates than its FreeSync predecessor, from 40Hz to 144Hz in the case of the Asus MG248Q, which makes it a lot more useful. Although this means if your game is running below 40fps, the Adaptive Sync effect wont be noticeable.
Even without Adaptive Sync, gaming at 144Hz makes a big difference to how you play, as long as your graphics card is powerful enough to output a frame rate near that level. In some recent games, you can't expect 144fps with all the graphics settings at their maximum level, even at 1080p resolution.
There are other features in the menus too. There are four levels of blue light filtering, and you get a number of 'GameVisual' preset options. The GamePlus menu offers an on-screen crosshair, timer and an FPS counter. This which provides an accurate on-screen frame rate as long as Adaptive Sync is working.
The MG248Q is also one of the first Asus displays to support the company's new xxx desktop software. By utilising an under used feature of modern displays, the ability to transfer data over display cables, its possible to control the monitor settings from a desktop application. Asus has given this software some real polish, with a red styling that matches the display, and most of the same settings can be adjusted from the desktop that you find in the menus.
When using the Asus MG248Q, we were expecting noticeably worse picture quality than most IPS screens, but it seems TN panel technology has improved a huge amount since it was used in the earliest TFT displays, and the difference is more subtle. Subjectively, the panel looks as good as TN gets when viewed head on. It's bright and the colours look just fine, at least with the default 'Racing Mode' preset selected.
Viewing angles aren't the issue you might think them to be either. Again, some older TN screens are simply impossible to see unless viewed head-on but it's not really a dramatic issue here.
That said, the image test results, captured with a DataColor Spyder Elite 5 colorimeter, are notably just below those of most IPS screens. It managed a full 100 per cent sRGB coverage and 78 per cent Adobe RGB, when some screens can go above 80 per cent. But it's not a difference to worry about too much. Brightness levels of 380 candelas and a contrast ratio of 740:1 confirm our view that the screen looks bright, with good black levels. That said, it still lacks the crystal clear sharp detail you get from IPS. Non-gamers buying a screen on image quality alone might want to look elsewhere.
Verdict
We liked
As we've said already, this is a screen clearly aimed at gamers who will prioritise fast performance over the best possible image quality. Yes, it's TN and TN doesn't look as good as IPS. But it's one of the best looking TN screens we've ever seen.
And that helps lower the price, which is a crucial part of the offering here. These features were once only found on hideously expensive monitors, but with a killer price tag it should fly off shelves.
We disliked
Sure, Adaptive Sync it restricted to AMD and Intel graphics cards, but Nvidia GeForce owners will also be delighted by the low response time and fast refresh rates.
Final verdict
It's games where the Asus MG248Q really shines. FPS games in particular are greatly improved at a higher refresh rate, and we spent a good few hours enjoying playing at this fast speed. We've seen it before on other displays of course, but few with a price tag as low as this.
from TechRadar: Technology reviews http://ift.tt/2bMzR6O
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