Televisions 4K (UHD): what is it, is it worth buying? TV Reviews 4K (UHD)

High resolution is the definition that many people remember when they go to the store for a new TV. The newest word in this area is the 4K Ultra High-Definition format. For many it's just a set of letters. So, 4K UHD TVs - what is it? The most popular at the moment can be called Full HD monitor. Ultra HD can be defined as a device that can transmit an image with active pixels. They, in turn, a huge number (more than eight million). The resolution is 3840 x 2160 pixels.

This figure was obtained by doubling the already familiar resolution of 1920 x 1080. This became the standard for clarity standards. Below we will consider the variety of screen sizes.

So, at the moment the resolution for clarity is:

• Full HD (progressive scan 1080);
• 1080i (interlaced scan);
• HD Ready (720 pixels per inch).

The latter is the most common of them, because at the moment almost all television channels, DVDs have this resolution (720 x 480). But this format can be considered obsolete. If you really buy a new TV, it 's better not to consider this option at all, even if it's a big diagonal and at a bargain price. When choosing a TV set, you should pay attention to the frequency in Hertz. It must be at least 120.

Extension 4K

The 4K format appeared only recently, in 2005. The human eye is not so easy to see the difference in the newest resolution and the already familiar 1080. It's especially hard to see the difference, if the resolution of 1080 shows, for example, Blu-ray. The difference is noticeable when viewing special demos from manufacturers. To determine the purchase and its feasibility, you need to consider all the advantages and disadvantages of the favors. So with a high-definition TV.

What are the advantages of the Ultra HD extension?

The huge screen shows with incredible clarity, individual pixels on it can not be seen, as on 720p-analogues. This is the undisputed plus. The same as the realism of what is happening on the screen: you can feel yourself a part of the movie cost. Saturation of colors and transitions from shade to shade allow to see all variety of natural and artificial colors.

Even if the movie or the broadcast is in the wrong format, a special feature will allow you to adapt the image in 4K. Receivers are equipped with many additional functions. TVs with this resolution can be set, for example, voice control or gestures, the ability to synchronize them with other devices, such as a personal smartphone.

4K-adaptation

Broadcast channels themselves do not pass in the "Ultra-HD", but thanks to the possibility of adaptation, you can purchase a screen with such an extension and enjoy a clear picture. Combine the function of adaptation of almost all TVs 4K UHD. What does this give a simple audience? Nothing more than the opportunity to see the smallest details, even in long-beloved programs.

The new image format allows you to open new possibilities. For people whose work is related to photography, 3D graphics, the production of games and, of course, movies, the new TV will be an excellent assistant.

Disadvantages of the newest resolution

And now a little about the disadvantages, which are present while using such novelties as 4K UHD TVs. What could it be?

Not wide distribution of content. In our country, few channels have switched to HD, and Ultra HD is not available to everyone, and it will have to be paid separately. It is included only in paid channel packages, and their choice is not large. The price category is high. And although recently operators are working on this issue, for most consumers the service is unavailable.

Fuller sensations from the new broadcast can be obtained if the devices connected to the TV will be routed through a cable not currently distributed HDMI 1.4, but already upgraded 2.0. Output 1.4 can do the transformation of the image, but still some of the expansion will be lost. The new 2.0 cable will allow you to watch movies even at a frequency of up to 60 frames per second, while a modern analog only plays 30. When selecting a new TV, it is advisable to pay attention to the fact that there are several HDMI ports. 4K UHD-TVs, customer reviews about which only positive, most likely, will occupy a certain place in the consumer market, and, apparently, not the last.

OLED: The New Generation

Cinema TVs have long evolved into modern LCD or plasma panels. But the top is rightfully occupied by OLED-TVs 4K UHD. What is it? This panel consists of organic light-emitting diodes. This technology is very popular with manufacturers and interested buyers, as it is very new in design. The main advantage of such a panel is a curved screen. It allows such an ability to realize many bold decisions. To such a panel, you do not need to create additional illumination, as to another screen, for example LED 4K UHD. The LCD TV of the previous generation can not technically approach the problem of lighting.

OLED-panels with a resolution of 4K - this is truly the best combination for today's TV. This screen is quite large (from 55 diagonals and above). Price, of course, too big. On average, it is about 400 thousand rubles. On some models, the price reaches one million rubles. Many firms that produce household appliances have already submitted their TV sets with a similar extension. Leaders in this segment are Sony and Samsung.

Sony KD-65X9005B

This model is one of the most purchased. However, the cost of the current exchange rate for residents of Russia seems not everyone can afford - about two hundred thousand rubles. To enjoy all the delights of the latest technology, it's worth paying a good price. This TV is already equipped with a HDMI 2.0 port and the already familiar HEVC. Thanks to the availability of these gadgets, the TV will not become obsolete for a long time. The quality does not change with the increase in the picture. You can consider the smallest detail on high definition. 4K UHD Sony TVs have a wide range of sizes and a large selection of models.

"Samsung UE65HU8500"

This model appeared around the same time as the above. The price of the Samsung 4K UHD TVs is not much different from the competitors' counterparts - about three hundred thousand rubles. But this model looks very stylish. It can fit into any interior and will be its decoration. The main difference is, of course, a curved screen. This innovation, which makes you freeze with delight. The immersion in the picture becomes even more realistic. The effect of full presence is created. This TV immediately attracts attention. The HDMI 2.0 port is also present, which is an important advantage.

"Toshiba 58L9363"

This model can be called the most affordable in the class of 4K TVs. It was with its appearance that other producers were forced to revise prices in a lower direction. This TV does not have many functions, but the second generation allows you to watch the new 3D. There are no new ports, but in order to watch it the new Ultra-HD format, there is everything you need. And most importantly - there is a realistic transfer of colors and the smallest details of images.

Panasonic TX-50AX802

In addition to the natural ability to reproduce the latest image quality, this model has an interesting function that rewinds real-time broadcast programs. It's called Freetime. Connecting to the Internet allows you to create an owner profile directly on the TV screen, which will help him share video with his friends. So, in addition to watching the broadcasts in the highest quality, now you can spend your time even more interesting.

LG 55UB950V

The design of TVs of this brand is always impressive. This model was no exception. 4K UHD LG televisions contain many different gadgets and have a very light operating system - webOS. This is an exclusive system that is only available in electronics from LG. The TV is able to please all the advantages of Ultra-HD - from color rendering to clarity.

4K UHD TVs. Is it worth buying?

To buy a new screen with Ultra HD is already possible, as in the near future it is possible to replace the current formats with more clear ones. To become obsolete in the coming years such a model will not have time. Of course, the technologies do not stand still, and the emergence of newer models (for example, 8K, which exceeds the current 1080 not in 4 but in 8 times) is just around the corner. True, this can only be available on screens of a very large format, and it will be difficult to see the difference. While development and large-scale production is not expected. Because of the high cost, demand will be small. If funds permit, you can now enjoy a beautiful picture at home. As they say, for quality it is necessary to pay. 4K-TVs were no exception.