|No, you are *technically* correct, Input Lag and Response Time are two different aspects of a monitor. |
Still, generally speaking monitors that have good Response Times will also have low Input Lag. It's only until you get into off-brand monitors that you will see lag getting above 50 ms.
Pretty much any major brand will have an Input Lag of 10 -20 ms (Asus, BenQ, LG, etc).
This is becuase Input Lag is basically made up of two things:
The physical Response Time of the monitor, and
The time it takes for the image sent from the computer (or Xbox) to be processed, and then the new signal to be sent to the pixels.
Because most monitors use relatively the same quality of processors, the latter will usually be the same (Within a few ms). That's why monitors that have more inputs, have more color correction, or those that upscale, downscale, or deinterlace the image have worse lag, as it puts more strain on the processor.
That's also why off-brand's have more lag, because they use cheaper quality processors.
It is basically just a marketing scheme, as 2 ms sounds better than 10 ms, and Response sounds better than Lag.
That's why the Input Lag database is so useful, you should really check it out.
Another inconsistency to be aware of is that some manufacturers will use black to white (BTW) response time, where others will use grey to grey (GTG) response time. Generally, GTG is much faster, so it is most common.
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message edited by NT56erbx