The 1080 and 720 in 1080p và 720p stand for vertical screen resolution, or height, in pixels. The more pixels there are in an image, the clearer it will be. As such, a screen resolution of 1920x1080 (two million pixels when multiplied) should appear twice as sharp as a resolution of 1280x720 (fewer than one million pixels). Meanwhile, the p in 1080p & 720p stands for progressive scanning, which updates full frame images more quickly than traditionally interlaced content.
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|Progressive (that's what the "p" stands for)||Progressive (that's what the "p" stands for)|
|1920x1080 (about 2 million pixels)||1280x720 (fewer than one million pixels when multiplied)|
|The FCC includes 1080p in its definition of high-definition (HD) chất lượng video. 1080p is the most widely used HDTV format now, eclipsing 720p. 4K (Ultra HD) is a newer, higher-resolution format than 1080p.||The FCC includes 720p in its definition of high-definition (HD) chất lượng video. Widely used HDTV format.|
|Full HD, FHD||HD, Hi Definition, Hi Def|
For many, there will be little lớn no noticeable difference between 1080p — known as Full HD — and 720p — known as HD. However, those who pay more attention will definitely notice that 1080p results in a smoother, clearer image, & that 1080p is clearer than 1080i.
Comparing the visual quality of different resolutions & standards. Click lớn enlarge.
Not everything comes down lớn resolution, however. Image smoothness is affected by many other factors, including how big a TV is, how close one sits lớn it, what DVD player is in use, what a TV"s refresh rate is or what its aspect ratio is phối to, và even what the frame rate of the clip or game nội dung is.
The clip below offers a summary of the differences between 1080p và 720p in terms of picture quality.
Content Availability and Creation
The FCC defines high-definition (HD) quality video as 720p, 1080p, and 1080i, và all modern TVs carry support for at least 720p resolution, with many supporting 1080p. Some đoạn phim content is filmed or trimmed to a smaller vertical resolution than 1080 pixels—or it"s interlaced, rather than progressively scanned—but it is still considered HD.
When watching digital TV, video quality can vary wildly. Those who want the best picture unique need to lớn change their TV"s settings khổng lồ accommodate changing clip feeds. New TVs may attempt to automatically change settings to lớn whatever is most appropriate, but they may fail to bởi so in some cases.
HD DVDs contain 720p content and sometimes 1080p, while all Blu-ray discs contain 1080p content. Regular DVD unique can vary considerably, with some displaying nội dung at a resolution lower than 720p, such as 480p. Moreover, there are still DVD players around that only carry tư vấn for up khổng lồ 480p or 480i, meaning a viewer cannot get the full experience of any high-definition DVD they insert into the player.
Netflix typically streams at 720p, but with the release & expansion of what it calls "Super HD," users are able to lớn stream more & more content at 1080p quality with a high-speed internet connection. Táo TV allows users to lớn choose between 720p & 1080p streaming. DirecTV displays a "1080pHD" hình ảnh on 1080p pay-per-view content, và all their latest DirecTV Cinema nội dung is in 1080p. On YouTube và Vimeo, high unique videos often allow for 720p or even 1080p streaming.
Modern smartphones, lượt thích the iPhone 5c/5s, the Samsung Galaxy S5, và the điện thoại htc One, tend to film at 1080p chất lượng and at 30 frames per second, if not better. Again, resolution is not all there is to lớn picture quality, but for the average user, modern smartphones" video recording capabilities have the potential lớn be just as good for casual video-making as cheap camcorders.
1080p và 720p in Gaming
Screen resolution can be especially important in clip gaming. Because there are more pixels in 1080p, less anti-aliasing is required for a smooth visual experience. This means that 1080p will not only likely look better than 720p, but will lead lớn a better gaming experience overall, as anti-aliasing can slow down a console or computer.
The following clip further discusses the differences between 1080p và 720p and what the two concepts mean for gamers.