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When it comes to buying a new TV, it makes sense to find out about the latest technologies in advance - after all, buying a smart TV is often associated with high costs and the device should therefore be able to keep up with developments in the industry.
In our television purchase advice you will find out what to look for when purchasing.
TV sizes: how big should it be?
First, ask yourself: How big does my TV have to be?
This depends on the one hand on how much space is available to you, how close you are to the screen and which image resolution you prefer.
For small to medium-sized devices such as the LED TV from Dyon *, full HD resolution is often sufficient.
From 48 inches, however, you should rather consider 4K screens, otherwise the picture can appear very grainy.
Another tip: smaller TVs consume significantly less electricity than large televisions or screens.
Some larger models can now be cheaper than small televisions without being worse - the trend is simply towards large smart TVs.
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LED, QLED and OLED - the most important technologies at a glance
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At the moment, LED televisions as well as QLED and OLED models are still dominating the market, but LCD technology is still not completely obsolete.
Here you can find out what the terms are all about and the advantages and disadvantages of the respective screen technologies.
LED and LCD televisions: what's the difference?
LED televisions are still popular with buyers - not least because they are significantly more affordable compared to televisions with OLED and QLED technology and at the same time deliver dynamic, high-contrast and colorful images.
The principle of LED TVs works as follows: Light-emitting diodes are used as background lighting - they illuminate imaging liquid crystals.
Strictly speaking, however, LED televisions are LCD televisions *, as this technology also works with liquid crystals.
One of the most convincing models on the market is currently the Samsung TU8079 *, which is even available with a screen diagonal of up to 82 inches.
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OLED TVs: A great choice for families
In a smart TV with OLED technology, organic light-emitting diodes ensure a high-contrast and color-intensive image.
In contrast to LCD and LED screens, with OLED devices each individual pixel is its own light source.
However, OLED also has a disadvantage: Still images that are displayed for several hours can be burned into the display.
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Tip: Stiftung Warentest recommends OLED televisions, as most of the devices tested were of good quality.
The technology is also ideal for families, as it enables a large viewing angle and thus everyone in the room can watch TV easily.
QLED television: This is what Quantum Dot technology brings
Particularly popular at the moment: QLED TV technology, a concept developed by Samsung that uses what is known as quantum dot technology.
Billions of nanocrystals of different sizes are applied to a film that is installed inside the television.
Thanks to the blue background lighting, these emit either red or green - and a combination of all three colors results in white light.
Buyers particularly appreciate the stable and high-contrast images of QLED TVs.
With the help of the technology, more details can be seen in dark film scenes thanks to the improved brightness.
Another advantage: the picture can be seen equally well from all angles, which is not the case with LCD and LED TVs.
Tip: The Samsung GQ50Q60T * 2020 scored particularly well at Stiftung Warentest with a grade of 2.0.
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Smart TV: what to look out for
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There is no uniform standard for what a smart TV should be able to do.
Cheap models may at first glance meet your own requirements, but may not offer all the apps that you would want for streaming web content.
Good televisions also have additional interfaces with which devices such as a TV stick via USB can be connected to their own network.
There should also be a CI + slot and HDMI connections so that game consoles and Blu-Ray players can be used.
The Bluetooth function is also integrated in many devices.
An inexpensive and at the same time versatile smart TV comes from Hisense *.
Like many other devices, the model already has a triple tuner, which makes an additional receiver for TV reception via cable, antenna or satellite superfluous.
In addition, the Alexa voice control is already integrated here.
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4K and UHD televisions: The current picture standard
The term 4K denotes the image resolution of 4096 x 2160 pixels - UHD, on the other hand, stands for “Ultra High Definition”, ie for an extremely high resolution of 3840 x 2160 pixels.
However, it is now common for the terms 4K and UHD to be used synonymously.
A feature that customers appreciate in 4K devices like the Hisense H65BE7000 *: While with Full HD you still had to pay attention to the correct seat spacing in order to be able to enjoy the picture without visible pixels, this is the case with a television like this 65-inch model hardly relevant anymore.
If, on the other hand, you want to use the device as a gaming television, you should make sure that the screen has an HDR function (high dynamic range), has a high refresh rate and the lowest possible latency.
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8K TV: Premium model at a handsome price
Televisions with an image resolution of 8K have 7680 x 4320 pixels - four times as much as 4K.
For this pixel strength to be worthwhile, the 8K television must of course be large.
However, this is reflected in the price.
A premium model with a size of 65 inches comes from Samsung * - the ultra-realistic picture quality is quite impressive.
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* This text contains affiliate links. This means: If you make a purchase using the links marked with an asterisk, WELT will receive a small commission. The reporting doesn't affect that. You can find our standards of transparency and journalistic independence at axelspringer.de/unabhaengigkeit.