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how much of a difference is there between 25ms and 40ms input lag

#1axelfooley2k5Posted 7/23/2014 9:05:24 AM
just asking the people who care the most

i am looking for a big 55-60inch tv for my home and wonder if i can live with 40ms

dont insult the hell out of me...yea i get it

i just want to know if it is realistically that bad

im using a panasonic ips alpha from 2009....i dunno how much it has so im not sure what i am used to
#2Xa3r0xPosted 7/23/2014 9:10:19 AM
If you're going to use it for online gaming, it might be a problem. But if you're using it for single player only, then it should be perfectly fine.
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#3temgunPosted 7/23/2014 9:11:19 AM
That delay is usually for TV mode. If it has a game mode of some sort, then the delay is greatly reduced.
#4tiger8191Posted 7/23/2014 9:11:27 AM
15ms


#Kappa
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#5HylianZPosted 7/23/2014 9:18:00 AM
Think about it this way, and it should help you decide. 1 second has 1,000 milliseconds (ms) in it. So the difference between 0.025 sec (25ms)and 0.040 sec (40ms) really isn't that big. You probably wouldn't notice much, if any, difference if you were looking at the 2 side by side.
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#6MahoganyTooth92Posted 7/23/2014 9:33:48 AM
tiger8191 posted...
15ms


#Kappa


stole my post before I made it
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#7SinisterSlayPosted 7/23/2014 9:39:48 AM
Since this is the PC board I assume your going to use this for PC gaming.

Where did you find a TV that actually advertises it's input lag?
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#8AnatomyHorrorPosted 7/23/2014 9:52:21 AM(edited)
Here's a great site - http://www.displaylag.com/display-database/

Doesn't have every TV and monitor, but does have quite the database of them.

@TC

Think of it like this. Say you're playing a game and your ping in game is 60ms. Your TV has 40ms input lag. If my math is correct, that would be 100ms all together. Not sure if it adds up like that but I believe it does. 40ms for your keyboard/button press to make a difference on screen. Then 60ms to ping your computer to the server.

According to that site, 9ms is the lowest a modern LCD monitor will go.
#9The cranky hermitPosted 7/23/2014 10:08:03 AM
That's not quite how it works, because network gaming is usually asynchronous (and TV lag is ALWAYS asynchronous - your computer does not wait for the TV to refresh before telling the server what you did).

Your computer knows you jumped almost immediately when you press the jump button, so it will simultaneously send video to the TV as it sends packets to the server. 30ms later (ping measures both ways, let's just assume each direction is equal to keep it simple), the server will know you jumped. 10ms after that, *you* will know you jumped.

Receiving data is a little different. Let's say I just shot you. I'll see this in roughly 16ms, but it takes 30ms before the server knows I shot you. Then a variable amount of time before the server sends out "state update" packets to all clients. Then another 30ms before the "state update" packets reach you. Then another 40ms for your TV to display the frames of you being dead.
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#10ElDudorinoPosted 7/23/2014 10:12:33 AM
Well, at 60FPS there's 16.7ms per frame, right? So a difference of 15ms means there's basically an extra frame that goes by before you react. Could be a big deal for fighting games, according to some people.