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Are there any 2560x1600 monitors with good response time? - Page 2

post #11 of 13
Quote:
Originally Posted by Idra;12329291 
Some gaming monitors have a response time of 1 ms.
eIPS monitors have a response time of about 8ms.

That's 7 more ms added to those .2 seconds. Quite a difference for competitive people in which, they must watch a chokepoint with their fingers ready to click as soon as they see a dot breeze by.

Except it's 1ms only in the best case scenario.

In any company's engineering department, response time is divided up by red, blue, green subpixels, and then further divided by rise (from dark to light) and fall (from light to dark). Only one of those 6 measurements can reach 1ms, and even then, only when changing between two specific shades.

In reality there aren't any LCDs with average response times of under 10ms. And that's being generous.
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post #12 of 13
Here's a good post made over at HardForum that explains at bit about response times:

Quote:
Originally Posted by ToastyX
TN panels aren't the fastest. They are only fast for certain gray-to-gray transitions. Manufacturers started using gray-to-gray measurements so they could claim lower response times on TN panels. As you've seen, TN panels are actually pretty slow with dark objects moving against light backgrounds, and without overdrive, some transitions are in the 25-30 ms range. Overdrive (response time compensation) is designed to reduce that, but how well it works depends on the implementation.

IPS panels are the opposite. They're faster with dark objects moving against light backgrounds, but they're slower for light objects moving against dark backgrounds, but even without overdrive, transitions never exceed 25 ms. Overdrive helps reduce the slower transitions to below one frame, making them almost as fast as a TN panel for gray-to-gray transitions.

VA panels are horribly slow with gray-to-gray transitions, and without overdrive, some transitions exceed 50 ms. The only way to compensate for that is to buffer frames to determine how much overdrive to apply, so either you have too much ghosting or too much lag, and when the overdrive implementation is bad, you can end up with both.

Basically, TN with overdrive and IPS with overdrive are the fastest, with TN being slightly faster for certain gray-to-gray transitions and IPS being slightly faster for other transitions.

You can usually tell if a monitor has overdrive or not based on the response time specs:

5 ms = TN without overdrive
2 ms = TN with overdrive
1 ms = TN with bull*****

6-8 ms = IPS with overdrive
12+ ms = IPS without overdrive

VA panels almost always have overdrive these days, but the overdrive in the 3000:1 contrast VA monitors is not good enough to compensate for the poor gray-to-gray response times, which is probably why they don't lag like the ones with better overdrive.

Edited by cracker - 2/10/11 at 2:10am
post #13 of 13
I have a 1ms 22" TN and an 8ms 30" IPS.

I prefer the latter for response time.
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