If you're a serious enough gamer to thinking about buying a new TV along with a new Xbox One or PlayStation 4, or even if you're waiting, you should know about TV 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 started testing for input lag last year, and so far we've corralled a bunch of 2013 TVs (the 2014 TV are still a few weeks away). Here are the best five TV so far, plus one projector, 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.
Update, February 26, 2014: Since we updated this roundup last November, only the Sony R520 -- yes, another Sony TV -- has cracked the Top 5. I updated the a table at the end of the article with the lag scores of every TV and projector we've tested since we began in early 2013. See if you can spot the lone projector we reviewed in 2014 (hint: scroll waaaay down).
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