720p vs 1080p vs 4K vs 8K | TV Resolutions Explained| HD, Full HD, QHD, Ultra HD!

People have a misconception that greater the resolution in a video the greater is the video quality and the brighter and sharper picture we get. That being said resolution is not the only factor that influences the video quality.

Original Image Resolutions for HD, FUll HD, 4K, 8K

Here is the Link to the Image in 8K resolution.


Well this post will help you with any and every doubt you might have regarding resolutions but before getting deeply into the concept and differences among different kinds of resolutions, we must understand what it means and what are the other factors which affects the video quality which are discussed below:


Before we get into the chaos of selection which is the best among various types of screen resolution, it is essential for us to understand what screen resolution actually is.

Screen resolution is nothing but a measurement of the number of pixels by estimating the height and width.

Suppose a TV holds 1920 x 1080p resolution then this means its height is 1080 pixels and the width is 1920 pixels and the total number of pixels this resolution can carry is 1920 x 1080 = 2073600 pixels.

Some screen resolutions popularly seen in the market are

  • 720p (HD, 1280 x 720)
  • 1080p (Full HD, 1920 x 1080)
  • 1440p (Quad HD, QHD, 2K, 2560 x 1440)
  • 2160p (Ultra HD, UHD, 4K, 3840 x 2160)
  • 4320p (8K, 7680 x 4320)
720p vs 1080p vs 1440p vs 2160p vs 4320p. HD, FUll HD, 2K, 4K, QHD, Ultra HD, 8k

Link to Original 8K Resolution Image


Resolution NameHorizontal x Vertical pixelsOther NamesDevices
720p1280 x 720HD, High DefinitionTV’s
1080p1920 x 1080Full HD, FHDTV’s, monitors
WUXGA1920 x 1200Widescreen Ultra extended Graphics arrayMonitors, Projectors
2K2048 x (unspecified)NAProjectors
1440p2560 x 1440Quad HD, QHDMonitors, TV’s
2160p3480 x 2160Ultra HD, UHD, 4KTV’s, Monitors
4680p7680 x 43208KTV’s

Some terms related to Screen Resolution


Whenever we talk about resolution the term “pixels” pops up every single times, but what is it and what does this mean.

pixels in images

Pixel is an illumination of an image, they are the building blocks for every display. They are tiny little dots where the videos or images are composed where the dots combine together to give us the videos and pictures we see in the screens. It is the standard programmable color on the computer screens.

Aspect Ratio

The aspect ratio is nothing but a ratio between the two factors of screen resolution which are the screen width and height respectively, separated but a colon. It goes like Height : Weight .

The lengths can be written in any units but it is mostly refereed in inches. Some commonly found screens in the market are 5:4 , 16;10 , 4:3 , 16:9.

16:9 is the standard aspect ratio of the monitor screens.

Pixels Per Inch (PPI)

Pixels per inch or PPI is a measurement of pixels per inch of the unit of pixel density or any electronic imaging for that matter. In some case it is PPCM when the measurement of pixels are done in per inch of the pixel density of the electronic image.

Pixels per inch (PPI)

It is widely confused with DPI (Dots Per Inch) but it is different from that and that is why it is explained below what DPI means.

Dots Per Inch (DPI)

Pixels per inch is an input but unlike PPI, DOTS PER INCH (DPI) is an output from a device.

It is used in terms of printing of media and texts through printer by using dots and therefore Dots per inch (DPI) is distinct from Pixels per inch (PPI) which is a measurement of pixels per inch on the input side of things within an imaging device.

Types of Resolution

720p ( HD, 1280 x 720)

720p, HD, 1280 x 720
Image with 720p Resolution

This screen resolution is almost obsolete in today’s market. It provides two times better, sharper and brighter picture than a normal screen and it will be suitable for a normal desk job in offices in which the job in computer is data entry but where the screen resolution has the greatest demand, that is for gaming, news broadcasters or streaming agencies like amazon prime, Netflix, etc does not uses 720p resolution instead they use much higher resolution but that doesn’t mean that it would not play in your 720p resolution screens but it would not be possible to achieve higher viewing results.

A great number of people are still satisfied by the 720p screens and that is why it is still available in the market. There is a merit to buying these types of screen and which is that they are available at a very cheap price and the only demerit it has is that now with so many options in the market to choose with this screen does not stand a chance.

HD vs FUll HD, 720p vs 1080p

1080p (Full HD, 1920 x 1080)

Earlier the digital cinema screens used horizontal for specifying the resolution but TV’s on the other hand have historically used the vertical to describe the resolution (going back to glass tube days).

Therefore 1080p is a vertical resolution. If we average the availability and demand of screens in market then this (1080p screens) is the most popularly used screens everywhere because its not very expensive, its cheaper compared to other screens and it gives 3 times better picture quality than a 720p screen which is a very sharp and bright videos and images.

1080p vs 720p, HD vs Full HD

There is a big confusion in the minds of the people that 1080p resolution is called ‘1K’, but it is fae beyond that. It is not called 1K, for what its worth it should be called ‘2K’ as the same logic as UHD is called ‘4K’.

With that being said people generally neither call it ‘1K’ nor do they call it ‘2K’. It is mostly called Full HD or 1080p. This resolution is commonly seen in widescreen TV’s or monitors with the aspect ratio of 16:9.

1080p resolution has a width of 16 inches and can store 1920 inches and has a height of 9 inches and can store 1080 pixels and in total they multiply to a total of 2073600 pixels and they combine together to give us a bright and sharp digital video and images.

This is an ideal screen for casual gamers and TV viewers. Most of the gaming monitors and TV’s today hold a refresh rate of 60 hz. This is the total number of times the display is refreshed to show the image.

With a refresh rate of 60 hz it can be stated that the display is refreshed 60 times before the image is displayed in the screen. For absolute gamers, displays with 144 hz or more is preferred.

This concludes that this screen is highly popular because it is very cost effective and ideal for casual gamers who like first person games or shooting games but its major drawback is that in the current competitive market everyone wants the latest technology and better quality and this resolution will not be able to offer us with that.


This word is not heard so commonly but its popping around recently, so what really is this.

We just saw above that it would be accurate to call 1080p as 2K but it actually is a cinema resolution. Before 4K became common we would almost never hear 2K other than cinema resolution and sometimes being referred as ‘master format’.

Most of the digital cinema projectors used in the theatre is 2K, some of them are of lower resolution. 2K has 2048 pixels and no vertical resolution is specified.

4K has gained traction in public for shorthand of UHD TV’s and content and so as well 2K is also becoming common as shorthand for 1080p which is not correct and neither is Blue – ray but that did not stop us from calling UHD content and screens 4K so who are we to judge

1440p (Quad HD, QHD, 2K, 2560 x 1440)

This is a readily available screen in the market and very ideal for gamers and content watching and TV’s.

ASUS ROG Swift WQHD 2560 x 1440 resolution display

It is commonly called as Quad HD or QHD and its pixel content is 2560 x 1440 where 2560 is the screen width and 1440 is the screen height and they multiply to give a total of 3686400 which later combines together to give us a sharp and bright picture.

It is 4 times better than a 720p resolution has a superb quality. Its price varies from size to size. Its price is slightly more than 1080p but the picture quality is much better than 1080p.

2160p (Ultra HD, UHD, 4K, 3840 x 2160)

FHD vs 4K 1080p vs 2160p UltraHD

In technical terms “4K” means a horizontal resolution of pixels containing 4096 pixel. This resolution is set by DCI (Digital Cinema Initiatives) because movies varies is aspect ratio.

There is no vertical resolution specified so yes, we are correct. Ultra HD TV’s are not technically 4K. However it does not matter because its easier to say 4K than 2160p and a survey has showed that people prefer calling it 4K than 2160p or Ultra HD, even Google and Amazon and most of the big TV companies calls it 4K and so it has been stuck around.

4K Ultra HD is one of the best resolution for screens and monitors and it carries 3840 x 2160 pixels where 3840 is the screen width and 2160 is the screen height and they both multiply to give us 8294400 small colored dots (pixels) which later combines together to give us a crystal clear pictures.

This screen is 4 times better than 1080p. 4K is the finest resolution in market for the consumer. It is on the costly side but if you do have extra money for spare there is no better option in market than the 4K.

4320p (8K, 7680 x 4320)

Yes, this screen resolution is yet to come most anticipated resolution 8K. Fully loaded with 7680 x 4320 pixels where 7680 is the screen width and the 4320 is the screen height which in turns multiplies to give us 33177600 pixels which will combine to give us quality which is yet to be contemplated.

The price is expected to be on the higher end and not everyone will be able to afford this.

8K offers double the horizontal resolution as compared to 4K and it will offer vivid images in such a way that even if you stand right in front of the 8K Television screen then also you will not be able to see any single pixel block. This will definitely offer a very exciting and enhanced experience.

Samsung Neo QLED 8K TV

There is an endless universe of confusing resolution names which me being a computer guy cannot remember most of it. This does not makes us dumb, the names actually are very confusing like FHD (1920 x 1080), WXGA, WUXGA (1920 x 1200) and a lot more which is very incomprehensible and shockingly (being a computer) very un – user friendly.

But fortunately you have to encounter this torture only when you are looking for a TV, computer monitor or a data projector.

There are some other rare monitor screens like “5K” (5120 x 2880) or an ultra wide screen with the aspect ratio of 21:9 with the crazy resolution of (3440 x 1440). There are a lot more variation in the market but its had to cover up all of them.

So to conclude with which screen resolution is the “BEST” screen resolution, there really isn’t.

There is a wide range of options for screen resolution and apart from the resolutions we just talked about there are others which are equally good but are not that popular which are 3K, 5K, 7K. These resolutions are witnessed in some rare device or unit.

Suppose a consumer has a mid – range budget and requires the screen for casual gaming and online streaming.

In this case the best option in my eyes for the consumer will be 1440p Quad HD screen which offers 2560 x 1440 pixels where they huge number of pixels will give a very exciting gaming experience like never before.

Selecting the right screen can be very confusing and chaotic but you need to keep only two things in your mind while selecting your screen which is requirement and budget. If you keep this mind I am hoping you will get the best screen for yourself.

6 thoughts on “720p vs 1080p vs 4K vs 8K | TV Resolutions Explained| HD, Full HD, QHD, Ultra HD!”

  1. This is a very great and easy to understand post. I have always wanted to know the difference before buying a new TV. Sadly I just got an LG 55″ smart full HD TV a week ago before reading this post. I believe I can help a friend make better decisions.


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