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Dell u2412m Input Lag Test Results

post #1 of 7
Thread Starter 
First off, I take ZERO credit for any of this information. I just wanted to bring it over here from hardforum because one of their members 10e did a of work to get some information out about this panel for a lot of us in a thread over there.
Quote:
Posted by 10e @ hardforum (http://hardforum.com/showpost.php?p=1037575075&postcount=321)

I had bought a VGA splitter two years ago and I had never broken it out of its cheap plastic bag.

I had also bought that Prad program SMTT a while back but never broke it out of its (you guessed it) cheap plastic bag.

So I finally got this going in this configuration GTX 480
> DVI to VGA adapter
> VGA Splitter
> Connector 1 to CRT VGA 1, Connector 2 to LCD VGA (U2412M, then NEC LCD2490WUXi2-BK)

So I finally got to use them. Below are the shots and hopefully an explanation following.
Quote:
img0589l.jpg
img0588on.jpg
img0562ew.jpg
Tests were run at 1920x1200@60hz.

P1210 CRT on the left vs. the U2412M on the right shows very little, maybe 8ms of input lag.

These shots are completely representative of every shot I got.

I took over 200 shots in total. Some at 1/60, some at 1/125 and 1/200 exposure rates. This pattern never seemed to vary. Always two numbers on the U2412M were the same as the CRT numbers, whether top or bottom.

So I think you can say this is probably a pretty decent gamer's screen, because lag appears to be 1 frame or less.

By the way, I tried higher refresh rates over VGA. They worked fine on the CRT, but no-go on the U2412M, so I doubt it's going to support them regardless of interface.

P.S. to ensure this process was accurate I connected my NEC LCD2490WUXi2-BK which is pretty much known to have somewhere between 1-2 frames of input lag. On this same exact test from video card > VGA splitter > dual screens, the NEC was always 1 - 2 frames behind the CRT, and none of the four numbers on both displays were in sync, unlike the U2412M versus CRT comparison.
    
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post #2 of 7
This is good news. smile.gif
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post #3 of 7
By 10e's review this is shaping up to be quite a good display.
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post #4 of 7
Is this the new 24" Dell Ultrasharp?
    
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post #5 of 7
Quote:
Originally Posted by _AKIMbO_;14426171 
Is this the new 24" Dell Ultrasharp?

This is a new 24" dell ultrasharp. The u2410 is a superior model and the production of that will continue for those who want it.
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post #6 of 7
It may not be as good as the U2410, but at it's low price it's kind of a steal.
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post #7 of 7
Quote:
Originally Posted by De-Zant;14426239 
This is a The u2410 is a superior model and the production of that will continue for those who want it.

Good to hear considering the U2412M isn't a direct replacement and they needed something to fill the gap between the e-IPS models and the U2711.
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