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Resolutions 2K, 4K, 1080p, 1440p… what are the differences and what to choose?

Have you ever wondered what all those cryptic screen resolutions like 2K, 4K, 1080p and 1440p mean? Don't worry, you're not alone! Between technical terms and abbreviations, it is easy to get lost in the jungle of specifications. But don't worry, I'm here to guide you through this technological maze and tell you everything you need to know about these trendy resolutions. So, fasten your seat belts and get ready for a journey into the fascinating world of pixels and high-definition screens.

Understanding resolutions: 2K, 4K, 1080p, 1440p and more

Resolutions 2K, 4K, 1080p, 1440p

In the wonderful world of screens, whether those of our televisions, computers, smartphones or tablets, terms such as 2K, 4K, 1080p, 1440p are commonly used. These terms, although familiar, can sometimes seem obscure and complex. What do they actually mean? What is the difference between them? Why is 2K associated with 1440p? It's time to demystify these terms and help you understand what they really mean.

To avoid any misunderstanding, when we say 1440p, we are referring to the resolution of 2560 x 1440 pixels. It is important to note that the terms 2K and 4K are not strictly used to refer to specific resolutions, but rather categories of resolutions. Indeed, these terms are usually used to classify resolutions based on the number of horizontal pixels.

ResolutionLength
2K2560 1440 pixels x
4K3840 2160 pixels x
5K5120 2880 pixels x
8K7680 4320 pixels x
Resolutions 2K, 4K, 1080p, 1440p

Make the resolution 2K, For example. It has 2560 pixels in width, which is almost double the width of 1080p (1920 pixels). However, we don't call it 2K just because it has twice as many pixels as 1080p, but because it falls into the category of resolutions that are around 2000 pixels wide. It's the same logic for the resolution 4K which has 3840 pixels in width.

It is important to note that the statement " 4K is 4 times 1080p » is a pure coincidence. Indeed, as we increase in resolution, this relationship disappears. Let's take the example of resolution 5K, which is 5120 x 2880 pixels. These 5000 horizontal pixels are again abbreviated to "5K", although 5K is not four times larger than 4K.

It is essential to pay more attention to the resolutions themselves than to the 2K, 4K, 5K, etc. classifications. Ultimately, the quality of your viewing experience will largely depend on your screen resolution.

So the next time you hear about 2K, 4K, 1080p, 1440p and others, you will know exactly what it is. You will then be able to make an informed choice when purchasing your next screen, whether it is a television, a computer, a smartphone or a tablet.

What is 2K?

Let's first clear up a common misconception. You might be tempted to think that 2K is synonymous with 1440p. However, this assumption is not accurate. The world of screen resolutions can be confusing, but don't worry, we're here to guide you.

The term 2K is actually a categorization of resolutions, based not on the total number of pixels, but on the number of horizontal pixels. When we talk about 2K, we are referring to a screen resolution that has approximately 2000 horizontal pixels.

A 2K resolution image contains approximately 2000 pixels across its width. That's 1,77 times more than 1080p, the standard resolution of most current HDTVs.

If we do the math, we realize that the number of pixels of 2K resolution is much higher than that of 1080p resolution. This means that if you watch a 2K video on a 2K display, you will get a more detailed and sharper image than at a lower resolution.

The key to understanding these numbers is that image quality depends not only on the number of pixels, but also on their arrangement. The more pixels there are on a given surface and the better they are organized, the more detailed and sharp the image will be.

So the next time you hear about 2K, remember that it refers to a resolution of around 2000 pixels in width. This is essential information to keep in mind when considering purchasing a new display or choosing the most appropriate video format for your use.

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And the mystery of 1440p, are we talking about it?

Resolutions 2K, 4K, 1080p, 1440p

Allow me to tell you a well-kept secret of the digital world: 1440p. Often wrongly confused with 2K, it is actually distinguished by unique characteristics that position it closer to 2,5K. Indeed, if we dive into the sea of ​​pixels, we will discover that the resolution 2560 x 1440, often referred to as 1440p, is actually 2,5K, and not 2K.

Imagine for a moment; a bright, colorful screen, displaying myriad details with stunning precision. This is what the 1440p resolution promises. But be careful, she is not the only one to flirt with the 2,5K denomination. Other resolutions, like 2048 x 1080, 1920 x 1200, 2048 x 1152, and 2048 x 1536, also fall into this category.

To give you a more concrete idea, know that 1440p offers almost double resolution of 1080p. Yes, you read correctly, double! If you put a 1080p display and a 1440p one side by side, the difference is so stark that you could almost feel the texture of the images on the 1440p display.

That said, it is crucial not to be blinded by these numbers. As with any love affair, the initial attraction may be strong, but it's the long-term compatibility that really matters. When purchasing a new display or choosing the appropriate video format, it is essential to understand that image quality depends not only on the number of pixels, but also on their arrangement.

In short, 1440p is a fascinating world of detail and clarity. But like any good storyteller, I won't reveal all the secrets to you at once. So stay with me as we unveil the next chapter of this adventure together: the spectacular world of 4K and 5K.

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What about 4K and 5K?

By crossing the scale of resolutions, we arrive at larger and more impressive territories: the world of 4K and 5K. These terms may seem intimidating to some people, but they are only indicators of the sharpness and clarity of the image that these resolutions can provide.

The term 4K isn't just an impressive number thrown into the wind, it means something very specific in terms of screen resolution. 4K resolution is equivalent to a resolution of 3840 x 2160 pixels. To put that into perspective, that's about 4000 pixels on the horizontal plane, hence the term "4K." In comparison, it's almost four times the resolution of a standard 1080p display, delivering spectacular clarity and pixel density.

And then there is the 5K. For those looking to push the resolution boundaries even further, 5K represents a resolution of 5120 x 2880 pixels. To be precise, this means 5000 horizontal pixels, hence the term “5K”. This is a significant increase over 4K, offering even more detail and sharpness.

But make no mistake, there is no such thing as a clear-cut “ultra-wide 4K” resolution. The standard 4K definition is itself already quite wide. So, don’t be fooled by misleading marketing terms.

In summary, the higher the resolution, the sharper and more detailed the image will be. However, it is always important to remember that image quality also depends on other factors such as panel type, screen size and viewing distance. So, remember to consider these things on your next quest for the perfect 4K or 5K display.

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Ultra-wide screens: a new level of viewing

Resolutions 2K, 4K, 1080p, 1440p

Imagine sitting in front of an ultra-wide screen, swept away by the vibrant colors and fine details extending far beyond your peripheral vision. This isn't a movie buff's fantasy, it's the reality offered by ultra-wide screens. But what about the resolutions of these screens?

Terms such as “1080p ultra wide” ou “1440p ultra wide” paint an accurate picture of screen height and width. They give an idea of ​​how many pixels are packed onto each inch of the screen, creating a sharper, more detailed image.

On the other hand, the use of terms like 2K, 4K, or 5K for ultra-wide screens can be confusing. Why is that ? Well, these displays aren't in a traditional 16:9 aspect ratio like standard TVs and computer monitors. Instead, they boast a 21:9 aspect ratio, meaning they are much wider than traditional displays.

This means you can't just multiply the height and width to get "K" resolution. Instead, you need to consider the ultra-wide aspect of the screen. Therefore, a 4K ultrawide display would not have the same resolution as a traditional 4K display.

Ultimately, if you're considering purchasing an ultrawide display, it's essential to understand that the terms "K" resolution may not mean what you think. It's more helpful to focus on specific resolutions like 1080p or 1440p when comparing ultrawide displays.

What about 8K resolutions?

Imagine for a moment that you are standing in front of an enormous master painting, brimming with incredibly fine details and vivid colors. This image can help you understand the revolution that 8K resolution represents in the world of displays.

The tech giant Samsung has been a pioneer in this field, bringing displays to the market with this stunning resolution. What is 8K, you ask? Simply put, 8K is like four 4K displays combined into one. Yes, you read correctly: four 4K screens!

This translates to approximately 8000 pixels arranged horizontally, hence the term "8K". This pixel density delivers exceptional image quality, which far exceeds what we've seen so far. Each additional pixel contributes to a sharper, more detailed image, making the viewing experience more immersive and striking.

So, are you ready to dive into the world of 8K? Please note that this technology is still emerging and not yet widely adopted. However, with technology evolving rapidly, there is no doubt that 8K will soon become the standard for high-end displays.

In the meantime, enjoy the beauty of 4K and 5K resolutions, while keeping an eye on how 8K evolves. After all, who knows what technological wonders the future holds?

The mystique of “K” terminology and its origin in the film industry

Resolutions 2K, 4K, 1080p, 1440p

The world of screens and resolutions can be a complex maze, especially when it comes to understanding the meaning of terms like "2K" or "4K." These terms, now omnipresent in the field of technology, have a very specific origin: the film industry. It is she who gave birth to this terminology “K”, a measure which refers to horizontal resolutions. The cinema industry, always in search of visual perfection, created these terms to more precisely and more strikingly classify images according to their resolution.

Television and monitor manufacturers, constantly looking for new ways to appeal and educate their consumers, quickly adopted this terminology. However, this also caused some confusion. Indeed, when we encounter a resolution that is out of the ordinary, it is often more judicious to describe it in full, rather than trying to fit it into a “K” category.

It is therefore essential to understand that 2K is not exactly the same thing as 1080p, and 4K is not just four times 1080p. The “K”s are a simplification, a way of rounding up resolutions to make them more digestible. This classification method can, however, be confusing when we move to ultra-wide displays and their atypical resolutions.

The "K" terminology offers a fascinating insight into the history of display technology and how the film industry has influenced our perceptions of screen resolutions. However, as with any simplification, it is important to understand that behind the "Ks" lie precise resolutions, with their own specific number of pixels.

4K or Ultra HD: what's the difference?!

En conclusion

When navigating the fascinating world of screens and resolutions, it's easy to get lost in the sea of ​​technical terminologies. But, as with any adventure, a reliable compass can make all the difference. In this case, that compass is understanding actual resolutions rather than marketing classifications such as 2K, 4K, 5K or 8K.

Every pixel on your screen is its own story, bringing detail, color and life to the image. When you multiply that by thousands or even millions, the visual narrative becomes much richer and more immersive. This is the experience you should look for when considering purchasing a new monitor or TV.

It's like being an explorer of the modern age, navigating through the vast landscapes of pixels and resolutions. And just as an explorer must understand their surroundings, you must understand what these terms really mean to make an informed choice.

Ultimately, it's not just about how many pounds of pixels are packed onto your screen. It's about how these pixels work together to deliver the best possible image quality. And for that, you need to focus on real resolutions rather than simplified classifications like 2K, 4K, 5K or 8K.

So the next time you are faced with these terms, remember that every K is not just a letter, but a promise of a quality viewing experience. A promise that can only be kept if you truly understand what it entails.


What do the terms 2K, 4K, 1080p, 1440p mean?

The terms 2K, 4K, 1080p and 1440p refer to specific screen resolutions.

Is the term 2K used correctly to refer to 1440p resolution?

No, the term 2K is often misused to refer to 1440p resolution, but this is actually a terminology error.

What is the actual meaning of the term 2K?

The term 2K refers to resolutions with approximately 2000 horizontal pixels.

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Written by ReviewsEditors

The team of expert editors spends their time researching products, performing practical tests, interviewing industry professionals, reviewing consumer reviews, and writing all of our results as a understandable and comprehensive summaries.

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