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input lag

Input lag: How important is it?

Recently, CNET started measuring input lag. This is the amount of time it takes for a TV or projector to produce an image. In the worse case, excessive input lag can cause lip sync issues. In most cases, it can lead to worse performance with certain games.

Since the article hit, there's been a surge of people ridiculing certain displays as "unacceptable" due to their input lag issues.

Hang on -- unacceptable? Just how important is input lag, anyway?… Read more

Best low-lag HDTVs for serious gamers

Today's HDTVs are packed with Smart TV suites, fancy picture processing, and other extras that add functionality and/or affect picture quality. For a serious gamer, none of that matters compared to the responsiveness of the TV, and often the extras just get in the way.

The culprit is input lag. That's the term for the delay, in milliseconds, between a TV receiving a signal and the results of that signal appearing on the screen. Those milliseconds are irrelevant for TV shows and movies, and they don't even matter for most games -- the majority of gamers probably wouldn't even notice if their TV was laggy. But if you're an attentive, skilled gamer, especially one who plays "twitch" games like Call of Duty, Halo, or fighting games, especially in online multiplayer environments, input lag can mean the difference between virtual life and death.

CNET just started testing for input lag, and so far we've corralled a handful of 2013 TVs. Here are five of our favorites so far, in ascending order of lag in Game mode -- or the least laggy picture mode, if Game isn't an option. For reference, we grade under 40ms of lag as Good, 40 to 70 as Average, and more than 70 as Poor.

… Read more

Game mode on: CNET tests TVs for input lag

You just got a new TV, and the picture looks great. Then, when you pop in your favorite shooter, you notice your kills going down, your aim a step slow, and your sterling record taking hits like a noob wandering through the kill zone.

Do you all of a sudden suck at COD? Maybe. But perhaps your newfound lack of feel is caused by input lag introduced by your otherwise awesome new TV. Input lag is the delay, in milliseconds, between a TV receiving a signal and the results of that signal appearing on the screen.

Those milliseconds don't … Read more