The terms 1080P and 1080i are often used to describe the resolution of high-definition TVs, but they are not identical. Both 1080P and 1080i offer the same pixel resolution of 1920 x 1080, but they differ in the type of scan they use to display images. The “P” in 1080P stands for “progressive scan,” while the “i” in 1080i stands for “interlaced scan,” These two scanning methods affect how images are displayed on your television screen.
Progressive scan (1080P) displays each frame of video content in its entirety. This means that every line of pixels is drawn in order, from top to bottom, for each frame. The result is a smooth and clear image, particularly with fast-moving objects or action scenes. Progressive scan is often used in Blu-ray discs, which is why it is sometimes referred to as Full HD.
Interlaced scan (1080i) displays each frame of video content in two halves, called fields. The first field contains all the odd-numbered lines of pixels, while the second field contains all the even-numbered lines. The two fields are then combined to form a complete image. This method of displaying video is less demanding on the bandwidth required to transmit the signal. However, it can lead to a noticeable flicker, especially when viewing fast-moving objects or scenes.
The choice between 1080P and 1080i mode often depends on the type of content being viewed and personal preference. 1080P offers a sharper and more detailed picture, making it more suitable for fast-moving content and action scenes. 1080i is a more efficient format for transmitting video content, but it can result in a less clear image, particularly for scenes with fast-moving objects. Ultimately, the best mode for you will depend on your individual needs and preferences.