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If i'm not mistaken, mine quotes an 8ms gray to gray response time and i can play any kind of game with no ghosting whatsoever. It's probably out of production by now (bought it almost 2 years ago) and replaced by the newer 21.5" and 23" panels in the same series. That's also a thing to keep in mind, if you buy Dell try to get one of the Ultrasharp series panels as they are the ones that usually come with the 3-year "everything covered, replacement at your doorstep" warranty. The only other thing i can think of is to pay attention to the so called input lag. Response time factors into possible ghosting issues at the point where the monitor renders a given frame. Input lag is a factor in monitors that have some kind of electronic circuitry to improve other defects. For example, if my monitor has a slow response time, it might have a built-in frame buffer in which it stores the 2-3 upcoming frames, analyzes them and applies some form of correction (ie, if it knows a frame comes up where it's not fast enough to cope, it might start automatically changing the voltage to the crystals ahead of time to make sure it can display it without ghosting). Theoretically, this alleviates the problem of ghosting. However, since this takes time it means you're effectively 1-2 frames behind what's actually happening. Not a big deal in single player, but it can become an issue in multiplayer when you are lining up a shot and what you see is where the target was 2 frames ago instead of right now. This is usually the biggest cause of input lag, but since monitors are becoming faster and faster it's not so much of an issue nowadays because they don't require such solutions. However, input lag can come from a variety of other sources, even the basic layout of the electronics in the monitor and how long it takes for a signal to be fed to the LCD matrix, so it's not completely eliminated. I think the newer Dell Ultrasharp series has a bit more input lag than the previous models like the one i use, however they also have displayport adapters which mine lacks. |
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