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> > I think that playing on a smaller TV works best because you don’t have to make your eyes travel around the screen as much and they generally have less frame rate drops and output lag (can’t remember if that’s the right term, but it’s how long the TV takes to take the info that it has received and output it onto your screen). Having these qualities as low as possible makes for the best gaming experience. Hence why pro leagues use small screens during their tournaments.
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> Input lag is the term you’re looking for, but smaller TVs don’t necessarily have less input lag than larger TVs. The large input lag on many TVs is generally caused by the fact that the TVs try to do as much processing as they can to the image to make it look as good as possible (because the manufacturers are primarily focused on people who watch the TV, not on people who need low latency). But this processing is independent of size, and so is input lag, largely. For example 60" TVs can have anything from 20 to over 100 milliseconds of latency.
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> If you care about input lag, what you really want is a computer monitor, specifically, one built with low input lag as a goal. Or if you really care about input lag, you want a CRT display, because those have virtually none, unlike LCDs. But then again, if you don’t really care about input lag, there are many obvious downsides to getting a CRT. Therefore if you just kind of care about input lag, “gaming” branded monitors are a safe bet these days, though you can get reasonably low input lag displays in almost any size if you do your research carefully, e.g., use the input lag database.
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> Pro leagues use computer monitors partly due to input lag reasons. Partly probably also due to logistics reasons, and partly perhaps driven by the “less eye travel” myth. But the reality about eye travel is that, first of all, it’s not about the absolute screen size, but about the ratio of screen size to viewing distance. If you’re concerned about eye movement, you want this ratio to be less than 0.4 (corresponding to a 16" display at 1 meter). Anything bigger, and you need to move your eyes. And as soon as you need to move your eyes, it doesn’t matter whether the ratio is 0.5 or 1, you only save about 3 milliseconds going from the latter to the former.
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> My advice to display size: get what you feel comfortable with. The most significant effect size has on your performance comes from what you’re used to. If you’ve played close to large screens your whole life, and you’ve never felt you have problems with that, then that’s probably the best for you. If you’ve always played on small screens, and don’t have a problem with that, then that’s probably the best for you. Doesn’t matter if you’re competitive or not; the subjective experience has more impact on your performance than any objective metric.
I recently moved from a 48" flat-screen to a 19" computer monitor and I’ve experienced a big difference from the switch. For one, on my 48" I had to move my eyes around and sometimes had to take moments to search for things on my screen even though I’ve known exactly where they were for a long time. So it would give me a slight annoyance looking for my health bar or ammo count or something again and again. But now on my smaller screen, I don’t have to look as far and I can find things much easier. Before it was perhaps caused by me sitting too close to my screen because I played in a small room and still had to make room for other things.
Also on my old 48" it often times would split the screen in half (again, don’t know if that’s the right term) and I would get weird graphical glitches and sudden frame rate drops would occur. I don’t know if that was because of a manufacturing problem or what, but on my new monitor I’ve never had this problem.
For these reasons, that’s why I recommended making the switch. Not only is the monitor better at performance, but it also cost less, only $98.
But again, like you said it’s mostly based on preference. If you play alone all by yourself then I would make the switch, but if you often have friends over, it may be best to have a larger TV so that everyone can play and see what’s going on.