In the current market, it's 4k that created the buzz and is seen as the absolute ultimate in high-resolution video format. Of course, that is true - it is the best available, but that certainly doesn't mean that used 720 TVs for sale should be ignored - it is still high definition quality after all. 720 (or 720p) to give its full name is what is known as a progressive display format (that's what the 'p' stands for).
Basically, the 720p that you'll be experiencing with a second hand 720 TV for sale is 1,280 pixels which are displayed horizontally across the screen and 720 pixels vertically. This produces 720 horizontal lines. These are progressively displayed, following one another.
A 1080p works in the same way, creating that number of horizontal lines which are also displayed progressively, so does this make them better - a full 320p better, in fact?
Well, yes and no. Firstly, yes in many ways this increase will obviously improve the quality, but it's also important to remember a couple of things. Firstly, most (especially more modern) used 720 TVs for sale will actually be 768p - but are labelled as 720p.
Secondly, the quality of the viewing experience is really determined by 3 key factors - the size of the screen and the distance you sit away from the screen, as well as the resolution. Studies have actually shown that assuming the screen size of your television isn't above 50 inches and you are sitting over 10 feet away from it, then it will actually be very difficult to notice any difference between a 720p and a 1080p.
What that means is that the higher resolution should only really be a consideration if you are looking for the screen size to be bigger than 50 inches. Otherwise, a second hand 720 TV for sale will be just as good. Similarly, as 720p should definitely do the trick if you are after a smaller screen, unless you are going to sit really close to it.
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