Are you messing around with screen resolutions? Do you want to make a purchase and you don’t know which one is better? Discover today what are the differences between 1080p and 1080i, in addition to updating you on resolution issues, especially for monitors.
It is true that these have changed over the years, in a parallel journey, as is logical, to technological advances. However, knowing what you need It won’t be difficult to decide which one is yours!
We will discover what exactly is the resolution of a screen, what are the types of resolutions most used before and now in general and of course the ones that are most suitable for your new computer screen.
What kinds of image resolutions can a monitor have?
The resolution of a screen is the number of pixels it has, that is, cEach of the units is divided into to show different information. It is expressed in a product, indicating the number of pixels of the panel width and height. So, for example, a screen 1920 x 1080 pixels It has 1920 pixels in its wide part and 1080 in its high part. The total of pixels is the result of multiplying both figures.
Although there are many resolutions, the truth is that there are a few that are the standards, that is, the ones that we will regularly find in the vast majority of phones, monitors, tablets, etc. The standard resolutions, past and present, most used and that you will see daily, are:
Screen resolutions table
VGA 640 x 480 4: 3 SVGA 800 x 600 4: 3 XGA 1024 x 768 4: 3 HD 1280 x 720 16: 9 XVGA 1280 x 1024 5: 4 Full HD 1920 x 1080 16: 9 WQHD 2560 x 1440 16: 9 4K UHD 3840 x 2160 16: 9 4K Cinema 4096 x 2160 17: 9 8k 7680 x 4320 16: 9 WHUXGA 7680 x 4800 16:10
Of course, there have been and there are many other resolutions, but these are not known, they are used in very specific devices or, simply, they have already been replaced by some of the previous ones. Even so, we can name a few like CGA, B&W (for Macintosh), MDA, Apple Lisa, Retina Display, HD Ready …
Even so, knowing that we can make panels in any resolution, since it does not require more than the addition of pixels to achieve it, but this is another matter.
Now, monitors do not work with all these resolutions but, due to their size, they are limited to a few fewer, although the variety is increasing, it must be said. The most common, at present, are:
- HD Ready: This includes 1366 pixels wide and 768 high, making it possible to display what would be 720p.
- Full HD: Full HD is the standard in monitors today, with figures of 1920 x 1080 pixels. They are versatile, being sufficient for the average user and being able to press this resolution with a very good power for the most demanding public in terms of processes.
- WQHD: It is a resolution created specifically for computer monitors, 2560 x 1440; It adds a little more detail or allows you to enjoy slightly larger panels without sacrificing quality, while maintaining the classic 16: 9 aspect ratio.
- UHD: It is the standard in televisions, but computer users have not yet adopted it regularly. Even so, it is not unusual to see peripherals at 3840 x 2160 pixels, especially in professional gaming environments.
Of course, there will still be some old model at home classic gamers that they do not want to detach from 800 x 600 or even the 640 x 480, which are the star resolutions of classic video games.
Progressive scan or interlaced scan? Differences between 1080p and 1080i
Often, in short, we only talk about the last figure, the one that corresponds to the total pixels of the height. This is so because there is no room for confusion. In this way, when we talk about a Full HD panel, we can see that it is also expressed as 1080p, indicating the figure and The pixels?
Error. That “p“refers to something else, the word”progressive“And you may have also seen a reference to a resolution like”1080i“and you will have been thinking that it will be a mistake when writing it or that the “i” refers to something that we do not know but that, after all, there are no differences between 1080p and 1080i, which is the same. Other error. The “i“refers, in this case, to”interlaced“.
So it’s not the same? Of course not! 1080p means we have 1080 progressive pixels and 1080i, which are interlaced.
- Progressive scan (p). Each frame draws its lines progressively, forming a sequence. Thus, each of them includes a complete image. Most devices work with this type of scan.
- Interlaced scan (i). We have a division of the frame given in two parts, one with even lines and the other with odd lines. The image is not obtained completely but in two halves that are displayed very quickly but without forming a whole.
The usual thing is that any brand has worked for, despite offering this type of scanning in their products, the images are not noticed in halves, although it is true that this does happen on occasions, in a phenomenon known as “Combing“.
The main reason interlaced scanning is used is its less need for bandwidth, since sending the images in this way is simpler and lighter. In addition, at the time it appeared, better refresh rates were achieved, with more fluid results, although this is no longer the case.
DTT television broadcasts at a maximum of 1080i, with caveats in channels that are being updated. But nevertheless, the streams do work at 1080p; one more sample of the advance of internet use. This means that every time we watch TV we do it with content rescaling.
Definitely, 1080p would be pure Full HD, the real one, and 1080i is a fake Full HD, emulated, achieved with technologies that link the parts of an image. The number of pixels are the same, that does not vary. Yes it does the projection of the frames.
Considering the same refresh rate, the number of images is the same but in the first case they are shown double and complete and in the second they are shown only once but in two sections. As for which one is better … 1080p is real Full HD, therefore, this resolution would go first, offering the same number of pixels and greater fluidity in the image. In this case there is no doubt.
The 1080i could be compared, a bit, with the 720p. In this case we find that 1080i has more pixels in height but the scan is worse (more detail) and with 720p we have fewer pixels but a better scan (more fluidity).
This is where there would be a little more doubt when choosing because, as we see, the two resolutions offer different results: the first more detailed but less fluid image (not advisable for highly demanding dynamic content) and the second a lower level of detail but more fluidity in movements.
If you have any questions, leave them in the comments, we will answer you as soon as possible, and it will surely be of great help to more members of the community. Thank you! 😉