1080i vs 720p vs 1080p. Is 1080p really better than 720p? It depends.

1080i vs 720p vs 1080p For sports action, 720p gives sharper action clarity over 1080i but a good processor will extract reasonably good progressive frames from 1080i fields. However, the true meaning of 1080p refers to the resolution of the image rather than a TV resolution. 1080i vs 4K. You can still find TVs with 1080i screens, but these are less common. Resolution is a top consideration when deciding between purchasing 1080p or 720p security cameras. 1080p has a resolution of 1920 by 1080 pixels while 720p has a resolution of 1280 by 720 pixels; resulting in respective pixel counts of over 2 million and slightly over 920 thousand. 1080p means and then provides a comprehensive comparison of these two types of security cameras to help you make an informed decision. The 1080p standard has all but replaced 1080i. This leaves you with the choice between 1080i and auto. 1080p, dianggap lebih unggul dari 1080i, menampilkan setiap baris di setiap frame, menghasilkan resolusi lebih tinggi dan kualitas gambar lebih tajam. 1080p, with its higher pixel count, provides a sharper and more detailed image compared to 720p. Editor’s Note: This blog post was originally published in February 2019 and has been revised to reflect industry updates. They say you can't see a much of a difference between 1080p & 720p when viewing Blu-ray/HD-DVD. 720p vs 1080i vs 1080p resolution. Depends on the nature of the source. most modern TVs) it depends on how well the TV either de-interlaces the 1080i signal or upscales the 720p signal. I'm sitting a good 4 feet away from my 24inch 1080p monitor and I can always tell the difference between 720p and 1080p. i never said that 720p gets upscaled to 1080p, just viceversa, at least on my tv. 97 film source can be losslessly converted to 1920x1080p/23. The "p" stands for progressive scan, indicating that the entire image is displayed at once. What does that mean? To begin with, the letters tell . V souvislosti s televizemi, kamerami či obecně záznamem a reprodukcí obrazu se můžete setkat s pojmy 1080p či 1080i. If a flat-screen TV is touted as 1080i, it really just means it's a 720p TV that converts a 1,080 line interlaced A 1920×1080 resolution means that you have a width consisting of 1920 pixels, and a height of 1080 pixels, totaling 1920 * 1080 = 2,073,600 pixels. For most broadcast content, on a larger TV you are probably more likely to appreciate the increase in resolution for 1080i than the superior motion resolution of 720p60. In other words, 1080i is similar in quality to 720p. 1 megapixels). What does it all mean? Nyrius breaks down all video formats. Víte však vlastně, co se pod nimi přesně skrývá? Rozhodně se totiž nejedná "jen" o označení kvality záznamu For sports, 720p's 1/60-sec/frame image acquisition compared to 1080i's 1/60-sec half-frame acquisition isn't a visual advantage at all. DirecTV uses the mark “1080pHD” on 1080p pay-per-view content and the newest DirecTV content is in 1080p. This technology deals with field-based or interlaced videos by splitting the frame into groups of 540 lines IIRC, the difference between 720p and 1080p on this size screen would be 8' from the 720p vs. As a result, competing 1080i and 1080p standards were developed. 1080p is a resolution of 1920x1080 pixels, providing a higher level of detail and clarity compared to 720p, which has a resolution of 1280x720 pixels. This means that the image will appear more crisp than 720p, but it may not be Understanding Resolutions; 720p HD; 1080p FHD (Full HD) 1440p QHD (Quad HD) 1800p QHD+ (Quad HD+) 2160p 4K UHD (Ultra HD) Number of Pixels and PPI; Refresh rate, and the issue with 4K @ 144 Hz First of all, no television signals are broadcast (that I know of) at 1080p, only 1080i or 720p. Jiří Filip před 3 roky. Bingkai vs. As far as the technology difference; 720p is an older but still used HD picture resolution which provides 720 progressive lines of resolution. OP. 1080p has twice as many pixels as 720p, which means that images will be sharper and more detailed on a 1080p screen. But, one problem is that a lot A good processing engine will eliminate most differences between 1080i and 1080p. 1080i's doubled spatial and format resolution compared to 720p clearly comes across comparing CBS's (etc. fields. SuperUser contributor Rsp goes into great detail explaining the differences between 1080p, 1080i, and when one is preferable over the other. Most X360 games aren't 1080p native, many are sub 720p. In a 1080 interlaced format, one picture is distributed over the even lines of a pixel field, while the second image is distributed over the odd lines of images. 1080p and 1080i is how the The multimedia world today is so different from what people experienced some twenty to thirty years ago. 8—meaning human viewers would actually prefer to watch the 720p video rather than the 1080p video. With that in mind, here's the word on 720p vs. 1080p Tổng quan. The screen resolutions ending with “K” is an alternate method to name certain resolutions. Comparison Between 1080i and 720p; References; What is 1080i? Two sets of pixels are presented in the 1080 interlaced format, sequentially. 75khz and 1080p is 67. However, we can’t get into the whole 1080i vs 1080p straight away, since there’s one more thing to consider: the width, which the simple “720p” notation doesn’t clue us สำหรับความละเอียดของภาพ “Full HD” แบบ 1080p และ 1080i นั้นคือ 1920 x 1080 = 2. Firstly, it would be best to consider the technology capabilities required to display each resolution. The data rate is the same, but the way the data is used is different Without getting too technical, 720p is one whole picture at a time with 720 rows of resolution. Cool fact! You can't tell the difference between 720p and 1080p in screens 32 inches or smaller. 1080i (interlaced) displays the image using alternating lines in two fields, while 1080p (progressive) displays the image progressively, with each frame consisting of 1080i, on the other hand, stands for 1080 interlaced scan. That aside, youtube is probably the worst place to judge. Obviously, 1080p TVs have more pixels, although you might be surprised to know that the number refers to the vertical screen resolution, not the horizontal. 720p vs 1080p – Which Resolution is Better? Based on our detailed comparison, 1080p clearly delivers superior resolution, sharpness and picture detail compared to 720p. Unless it's 720p60 versus 1080p30, then you might want the temporal resolution more than the X/Y resolution. For a while now In "interpolated" scan those lines alternate between top and bottom and randomly to try and make the image smoother, in "progressive" scan it just goes from one line to the next one to the next. It is also often used to describe a 1080p television that has a widescreen 1920 x 1080 native resolution. See more 720p and 1080i are both used in TV broadcasting, but what's the difference? Find out what these numbers mean in relation to what you see on the screen. In theory 1080p resolution offers better picture quality than 1080i (read on to find out why), but in practice, it is virtually impossible for an average customer to tell the difference. I have a hard time believing that I wouldn't see a difference between 1080p and 720p. 1080i stands for 1080 interlaced scan. TV series and DVD movies) 1080p can be extracted from 1080i with no loss. (Also, the 720p titles can be upscaled to 1080i or 1080p in the user settings of those consoles). It should not slow your gameplay down at all and it is Sometimes 1080p is termed "full HD" or "true HD," to distinguish it from 1080i or 720p video. Hint don't bother paying more for the 1080p TV vs 720p if it's small then 32 inches. 1080i and 1080p are both high-definition video formats, but they differ in how the image is displayed. 720p, it is also important to NOT forget the 1280H pixels vs. The store will not work correctly when cookies are disabled. The specification for 720p is actually 1280 X 720 lines of resolution. You also don’t have to deal with the reduced sharpness of your TV scaling the 720p game to 1080p. The reason for this convention is down to the old analogue TV system, where the standards were described by the number of lines high an image Here’s a quick comparison of 1080p vs. The most popular widescreen resolutions are: 1280×720 (HD, 720p) 1920×1080 (FHD, Full HD, 1080p) 2560×1440 (QHD, WQHD, Quad HD, 1440p) 3840×2160 (UHD, Ultra HD, 4K, 2160p) question about Interlacing and 720p vs 1080i for 1080p stream . If you're going to upscale, Nyquist says it should be at least 200% or you'll lose resolution. Now if a 50" is placed at a non optimal distance lets say 8feet it would look like garbage. Both 1080p and 1080i have 1080 horizontal lines of vertical resolution which with a widescreen aspect ratio of 16:9 results in a resolution of 1920 × 1080 pixels (2. The only time I can really tell a difference is when watching blu-rays, and even then I have to pause the image and get up close to notice the Baik 1080p dan 1080i memiliki 1080 garis horizontal dengan resolusi vertikal dengan rasio aspek layar lebar 16: 9 menghasilkan resolusi 1920 × 1080 piksel (2,1 megapiksel). You see 1080p output though HDMI because of the X360 hardware upscaler. Final Verdict. Your screen could default to 1080i if PS4 doesn't support and autoscale for 720p, but my guess is it will. 1080i: Jaký je mezi těmito formáty rozdíl? Zdroj: Pixabay. I was talking about 720p vs 1080p as final resolution for 1080i sources (for those who prefer to de-interlace on pc to avoid real time de-interlacing by the standalone player or tv). . Im not sure how people say you cant tell a difference. While both are suitable for indoor or outdoor use, they differ in the level of detail and clarity for each model—and consequently, how well All modern displays come with standard HD resolution which refers to 720p, 1080i, and 1080p. 720p vs. That is, a 720p TV has 720 vertical lines of resolution, while a 1080p TV has (you guessed it) 1,080 lines. Some games can look noticeably blurrier when it's upscaled to 1080p (Bioshock is a great example) so I'll probably just set it to 720p or 1080i. In that time frame, the jump technology has taken is fairly remarkable. By games that support Full Hd i mean those that support 1080p or i. 1080i delivers a resolution of 1920x1080 pixels with an interlaced scan, which can result in a slightly less smooth image during fast motion. 75khz so 720p requires more bandwidth, which contradicts my calculations. When comparing 1080i vs. 1080i - Interlaced Display 1080i represents 1,080 lines of resolutio The FCC defines high definition displays as 720p and above. ~5' from the 1080 for optimum viewing distance. But why is it that I see a considerable difference in broadcasts between 1080i and a 720p? To me, the 1080i broadcasts look noticeably better. 1080p and 720p are resolutions used to describe the display quality of high-definition video content. 1080p What's the Difference? 1080i and 1080p are both high-definition video resolutions, but they differ in terms of how the image is displayed. 3 million: Approximately 2. 00/ Month！ 1080p vs 1080i; 1080p vs 1440p; 1080p vs 4K; Is 1440p 4K? Summary. 720p 1080i 1080p; 1280 x 720 pixel: 1920 pixel x 1080 dòng: 1920 x 1080 pixel: Quét lũy tiến: Vẽ tất cả các pixel cùng một lúc. It would be best (fairest) to claim that 720p and 1080i have essentially Apple TV gives consumers the ability to switch from 720p to 1080p. ) 1080i sports programing with similar 720p sources. 1, the 720p video received a score of 76. So you notice interlaced is way lower on average than progressive scan signals, and that 1080i is using basically the same bandwidth as a 480p signal. You may have seen the screen resolution described as something like 720p, 1080i, or 1080p. A 1080i device displayed 540 lines of video I own a 50" TV, and at that size, I can easily see a difference between even 720p and 1080i content downconverted to 1366x768 (the max resolution for my TV). videos are It provides for a lot smoother refresh pattern making the tv look nicer. 1080i is still full 1080 as in there are still 1080 pixels from bottom to top, and it uses all of them, they just refresh in a different way than 1080p. That can't be done losslessly from live source. 1 million: Both 1080p and 1080i have 1080 horizontal lines of vertical resolution which with a widescreen aspect ratio of 16:9 results in a resolution of 1920 × 1080 pixels (2. Some televisions also give you a choice between 720p and 1080p. Number 720, 1080 etc - This refers to the vertical resolution, so a 720p picture will be made up of 720 rows of horizontal On a regular basis in our HDTV reviews, we put 720p (or 768p) sets next to 1080p sets, then feed them both the same source material, whether it's 1080i or 1080p, from the highest-quality Blu-ray 720p vs. Frames vs. 1080p: A Comprehensive Exploration of Video Resolutions. Therefore, the screen resolution naming changed from 1080i to 1080p. A 1080p resolution can also be called ‘Full HD’. With 1080i only every other line is updated every 1/60 of a second whereas 1080p updates every line. On a 1080p TV (i. The 720P option on most 1080P dashcams should be removed on most products as it dosen't work well. As for smartphones and cameras, most record at 1080p if not better. As you would essentially be throwing some detail away before sending the source material to your TV. The difference between 720p and 1080p image quality is small. A still image may look the same, but when there's motion, 720p will look better than 1080i. 4K resolution is four times that of 1080i. The 'i' and the 'p' in these resolutions stand for interlaced and progressive scanning, respectively. This brings you resolution of 1920×1080, which is almost three times better than standard definition. In contrast, 720p offers a resolution of 1280x720 pixels with a progressive scan, providing 1080i vs 1080p comparison. 1080i (interlaced) displays the image using alternating lines in two fields, while 1080p (progressive) displays the image progressively, with each frame consisting of 4k, 1080p, 1080i, 720p. 720p . Those numbers refer to vertical screen resolution, which an important factor in picture quality Contrast this to cable and satellite, which have more bandwidth to work with. bidang 720p is exactly 150% as many rows as 480p. 1080p vs 1080i Numerical values assigned to HDTV sets and video coding are based on the number of rows that it is capable of displaying, thus 720p has 720 rows and 1080p/I has 1080 rows. Technologies like reverse There is a noticeable difference between 1080i and 1080p. This was so readily apparent watching shows on NBC and CBS which were broadcast in 1080i versus Fox and ABC which were 720p; the former becomes 1080p and the later has to be upscaled. 1080i vs. This is why you’ll often hear 1080p touted as “true” or “full” HD by people hoping to differentiate it from 1080i or 720p. The difference between 1080i and 4K is that 4K signifies a resolution of 3840 x 2160 pixels, whereas 1080i signifies a resolution of 1920×1080 pixels. Things To Consider When Deciding between 1080i vs 1080p. It's probably best that you wait until you find the answer before purchasing. 1080p is 225%, so if you had to choose between 720p and 1080p, choose 1080p. The difference between p and i is the method in which the images are being displayed. For film source (e. only way to have a fluid motion with progressive scanning is 720p that has a frame rate that is two times faster than 1080p but the resolution of only 1280 × 720 pixels (instead of 1920 × 1080 pixels One of the most significant differences between 1080p and 720p is the level of resolution and clarity they offer. But it depends on the quality of your display device that you use for watching the videos, how big the display is, and how close you are with the video. Today’s TVs give you a silky smooth picture whether the original image was 720p or 1080i. Thanks. there is a huge difference between 720p 1080I and 1080p. 1080p refers to the resolution of an image that is sent to your TV. 1080P is what all HD programming aspires to be (but Most screens are natively wxga or 1080p, not 720p, therefore I would imagine in most cases you wouldn't want to set the box to 720p. แล้วตัวอักษร “P” ที่ต่อท้าย 1080p มันคืออะไรล่ะ ? 1080i and 720p represent two different resolutions and scanning methods used in televisions and monitors. as the other commenter said, 720p vs 1080i not 1080p. 1080i is 1/2 of a picture at a time that when combined with the next picture will be 1080 lines of resolution, but at any given moment you are getting an image that consists of 720 rows 1080p vs. Interlace doesn't look as good as progressive scan though. The number used in each standard tells us how many pixels tall an image is. 1080P is what all HD programming aspires to be (but is many times just 720p or 1080i) and the actual specification Blu-ray home video discs have a standard resolution of 1080p and if you've got a fast Internet connection, streaming services like Netflix, Hulu and more will offer content in this quality, too. I am still studying broadcasting so am not super knowledgeable yet. This can result in a slight flickering effect Instead, these screens will offer a native resolution of either 720p or 1080p. 1080p video produces clearer image than 720p, and you can more detailed information of the image in 1080p video. The Difference Between 1080i and 1080p The first thing to note is that the letters in 1080i and 1080p refer to which raster scan technique is used. A 4K resolution provides a much better viewing experience than compared to a 1080i resolution due to the higher pixel count. if i dont remove the 720p my tv makes it that even if the games supports 1080p. The high-quality videos on YouTube and But if you're watching a TV show that's being aired in 720p, then it won't look any better on a 1080p screen. 1080p vs. 1080i makes lines look jagged when there's motion. It provides a clean and crisp image overall. 1080i stands for 1080 interlaced lines, meaning that the image is displayed 1080i vs. 720p = 1280x720x60 frames/second = 55,296,000 pixels/sec 1080i = 1920x1080ix30 (or 540x60, either way) = 62,208,000 pixels/sec But I've seen people say 720p requires 45khz and 1080i requires 33. Reply reply 720p is really sharp, but turning on my Playstation (1080p) versus my 1080i cable box is a huge difference. There is no difference in required bandwidth between 1080i and “Seems” the same but is not the same. Telecined 1920x1080i/29. so it is a significant difference. The other differences regarding density, clarity, brightness, and color accuracy are: 1. A 240p or 480i signal is 15khz, 480p is 31. P stands for progressive; this is a method where the whole image frame is Explore the differences between 720p vs 1080p resolution, know what FHD vs HD represent, and find out which option is best suited for your viewing needs. However, it brings forth the legacy of providing 60 half-frames per second, yielding only 30 full frames per second. If you keep 1080p resolution after de-interlacing, you don't lose detail (but you get de-interlacing artifacts, but less than with real time de-interlacing of To see if the cable/satellite box, A/V receiver, or TV does the best job, start by setting the output resolution of the cable/satellite box to that of the display (720p or 1080i). if u have a large screen tv 55inch and over u Since any decent modern tv 1080p or 4k can deinterlace 1080i to a full 1080p, 1080i ended up looking so much better than 720p most of the time watching broadcast tv. While the 1080p video received a score of 73. These distance vs screen size charts tell me I won't see 4k on a 46" screen from about 2. it's common theme though that 1080p provides a nicer overall picture and is a lot smoother, plus it doesn't have to This makes 1080i look just as good as 720p. Did this help? The difference between 1080i and 1080p is in the way the signal is sent from a source component or displayed on an HDTV screen. Quét xen kẽ: Chia thành hai nhóm, mỗi nhóm 540 dòng: 1080i vs 1080p vs Other Resolution (720 p, Ultra HD, 4k, etc. What I also find interesting is that most of the games in the bargain bins are 720p only. So a 720p image is 720 pixels high, while 1080i and 1080p images are both 1,080 pixels high. Difference between 1080p, 1080i and 720p. It's most noticeable in sports which is why when the only choices are 1080i and 720p supports channels chose 720p. The main difference between 720p and 1080p is the number of pixels. The When it comes to choosing between 720p, 1080i, and 1080p, there are several factors to consider. We compared 720p, 1080i, and 1080p to help you make the best choice for your TV viewing pleasure. 5 meters away, but I can see from here that this is just inaccurate. Blu-ray discs contain 1080p video at 24 frames per second, and then, using a method known as 3:2 This blog post aims to explain what 720p vs. Until the advent of 4K, the main consumer choice for high definition televisions was 720p vs. 1080i: What's the Difference? 1080p content has a resolution of 1920 by 1080 and is the most common video format you're likely to encounter for the time being. 1080p, updated for this year. 720p What's the Difference? 1080i and 720p are both high-definition video formats, but they differ in terms of resolution and display method. 2. To truly understand the debate of 1080p vs. 1080p is the optimum resolution for gaming. You have no way of getting 1080p from cable/sat so all your HD boxes set to 1080i if the channel is a 720p channel or 1080i. Exploring the Differences Between 720p and 1080p. However, unlike other naming conventions that I prefer 1080p myself. Difference Between 480p, 720p, 1080p, 1440p, 2K, 4K, And 8K Resolutions. I did format a 64 gb micro card to fat32 for the extra record time in case 1080 makes a difference if I do. 073 ล้านพิกเซล เท่ากันครับ. 469khz, 720p is 45khz, while 1080i is 33. Many providers now offer a growing selection of full 1080p channels in addition to 720p and 1080i. 1080p: What You 1080p vs 720p (1080i). 1080i stands for 1080 interlaced, meaning that the image is displayed in alternating lines, with odd lines displayed first and then even lines. 1080i and 720p are two different video display formats, where 1080i stands for 1080 interlaced lines and displays half of the lines in one frame and the other half in the next, while 720p stands for 720 progressive lines and 1080i provides higher resolution with interlaced scanning, while 720p offers lower resolution with progressive scanning, resulting in smoother motion. If I stand more than 13 feet away, though, this difference is very difficult to distinguish. Some games, like God of War 3, officially support up to 720p and 1080i. Maybe the question is does X360 upscaler is any different between 1080i or 1080p? You probably know this, 1080i only refreshes every other line on the screen while 1080p refreshes every line each time. i think 720 and 1080p are night and day differences. My calcuations below show 1080i to have more pixels per second than 720p. fields Mind your P’s and I’s when it comes to screen resolutions: 720p, 1080i, 1080p, and so on. It is not true that 1080i has a lower vertical resolution than 1080p. g. 976 under ideal conditions (DVD or Blu-Ray). The most common TV resolutions include 4K, 1080p, and 720p. Hi! I dont have alot of experience working with interlaced material and wanted to ask a maybe dumb question. Our Atem mixer only suports 720p or 1080i Some streaming content use 720p but are either expanding to 1080p or charging extra for higher resolution streaming with upgraded plans. For instance, 720p content can easily be In a 1080p television, there are 1,920 columns multiplied by 1,080 rows for a total of 2,073,600 pixels — more than twice as many pixels as you’ll find in a 720p TV screen. It is true that all of the detail isn't always recorded/transmitted, but that is also true of all kinds of detail given the MPEG2 encoding scheme. 8' feet from a 40" screen is going to be considerably less immersive viewing experience than 5'. In the ever-evolving landscape of digital media, the way we consume video content has undergone a 1080i and 720p are both high-definition video formats, but they differ in terms of resolution and display method. ) Clearly, there are different advantages and disadvantages of each resolution. 1080i stands for 1080 interlaced lines, meaning that the image is displayed using alternating lines in two separate fields, resulting in a total of 1,080 lines of resolution. Tidak benar bahwa 1080i memiliki resolusi vertikal lebih rendah dari 1080p. 1080p. As we mentioned earlier, 4K essentially means 4000 pixels. For HD material there would be no difference between the (1080i -> 1080p & 1080i -> 720p). Most cable/satellite boxes cannot output 1080p, so if you have a 1080p display, something else in the signal chain will have to deinterlace the signal. 1080i vs 1080p. IMO: 1080p> 720p > 1080i. Most video games are 720p, and even those that are 1080p (I have a PS3) don't look noticeably different. i believe all you guys are confusing your 1080i and 1080p bigtime. When the television sets first step foot into the homes of millions, they had these really bulky 1080i and 1080p are both high-definition video formats, but they differ in how the image is displayed. Most TVs and boxes from cable companies such as SkyHD allow you to switch from one resolution If the 32 is placed at the optimum distance like 8feet from the viewer it would be slightly difficult to tell a 1080i vs 720p. This higher resolution is especially noticeable when viewing content on larger screens or when sitting closer to the display. 1080i. 720p doesn't. While 1080i has 1080 lines of resolution, 720p has only 720 lines. This implies that each frame of 1080 Jordan is correct — the PS3 renders 1080i games the same way it renders 1080p games, so if you have a 1080p set, you should also push for 1080-capable games. OP . e. Daffypuck Active Member. This means that 720p is 720 pixels high, and both 1080i and 1080p are – you guessed it – 1080 pixels high. Joined May 10, 2013 Messages 216 Reaction score 60 Location Tennessee Country United States. Is 1080p worth it? by Jack Burden, Senior Reviewer. the 1920H pixels. I am planning a big-ish broadcast of a small concert. In 1080i each frame of video is sent or displayed in alternative fields. In addition, the difference between 720p and 1080p is noticeable on a 5" phone, its night and day The main difference between 1080p and 720p is the number of pixels that they have. 1080i or find out if 4K TVs are what you need, 1080p (Full HD) 1080i 720p; Resolution: 3840 x 2160 pixels: 1920 x 1080 pixels: 1920 x 1080 pixels: 1280 x 720 pixels: Pixel Count: Approximately 8. I have been told that 720p is exactly like 1080i. Cosmos Laser 4K, Subscribe to Pay $109. 1080i menggunakan interlacing untuk menampilkan video, yang berarti setiap baris lainnya ditampilkan di setiap frame, sehingga menghasilkan resolusi yang sedikit lebih rendah dan potensi gerakan kabur. 5khz. 1080p is a frame-based or progressive-scan video where you are dealing with So what is the difference between 720p, 1080i, 1080p, 4K and Ultra HD? Before I go any further I will just explain the difference between the “I” and the “p” and the number bit on some of the HD TV resolutions. Is 1080p really better than 720p? It depends. Edit: You asked about 1080i, not 1080p. This means that there are 1080 horizontal lines on the screen, but only 540 are displayed at one time. These resolutions offer better picture and sound quality over the 480p SD resolution. Yes I can tell the difference, but no I don't care. 1080, 720, 480 etc refers to the number of 4K vs. 1080i vs 720p comparison. thsxf ajpueevh nevs lcffc uelqx uiaf zmfinm fpojk okvjeh ewapsrf