UHD is one of 4K resolution and applied on many TVs and computer monitors. If you would like to learn more about information between 4K and 1080p, you can move on to the next part. HD means that the vertical resolution of a picture or a video reaches 720, or above, like 1080i, or 1080p, which is the most popular resolution we have been using. HD is High Definition, and UHD means Ultra-High Definition. Well, firstly, we need to know that all of these three concepts are about the resolution. The following contents will specifically tell you what each of them is, and the differences between them and 4K. For many users, they are pretty confusing, right? But don't worry.
#Black mass real or fake 4k tv
Therefore, to be more accurate, 4K means a horizontal display resolution of around 4096 pixels.Īdopted to digital cinema, TV and other different industries, various resolutions derive from 4K: 4K resolutionsīesides 4K resolution itself, you probably heard of some other words or topics, which is often related to 4K, like UHD, 1080P, HDR, HEVC, OLED, etc. To describe digital images, pixels are counting in binary. It is a power of two (2^10), 1024, referring to binary measurement. It is 4 times the resolution of 2K projectors and HDTVs, which displays frames sharper and more detailed.ĤK resolution is also simply called 4K, and what does the K mean? In the digital field, it is different from the kilo in the decimal system where 1k equals 1,000. So now, let's get started answering the question "What is 4K resolution".ĤK resolution is a UHD resolution with approximately 4,000 pixels in width. LPI (Lines Per Inch) for display resolution, including screen resolution, television resolution, etc. DPI (Dots Per Inch) for output resolution, including printer resolution and projector resolution, etc. PPI (Pixels Per Inch) for input resolution, including scanner resolution, digital camera resolution, etc. Strictly speaking, only when there is "no flicker refresh frequency", the highest resolution a monitor achieves can be called the real highest resolution of this display.Īs for the measurement of resolution, it is various in terms of different use, input, output, or depending on different devices. Other factors are dot pitch, bandwidth, and more importantly the refresh frequency. On a smaller screen, the image we see is sharper. The display resolution is related to the display size, the same resolution in screens of different sizes will also influence what we see. Each display has its own highest resolution and is compatible with other lower display resolutions, so a display can be set in many different resolutions. The more it can display, the more clearly we can see from the screen, and fewer pixel blocks we can see when getting closer. For instance, if a computer monitor's resolution is 800×600, it can display around 0.48 megapixels. The display resolution shows a screen's capability that how many pixels it can display. Besides image quality, it also influences the size of an image together with image dimensions – the size goes larger along with higher resolution and bigger dimensions. Generally, the higher the PPI is, the more details are stored in the image, and thus the picture is more elaborated. PPI (pixel per inch) is the measurement of image resolution that indicates the pixel density. Image resolution means the number of pixels, the basic unit of programmable color in one image. To make it more precise, the resolution needs to be classified into image resolution and display resolution. However, it does not merely matter the number of pixels. It decides how clearly and sharp a picture is. Resolution generally refers to the total number of pixels in an image, expressed in terms of the pixel number in width and height, e.g.
Before we get to know what 4K resolution is, we probably first need to understand what the resolution is.
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