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posted by LaminatorX on Thursday March 06 2014, @12:20PM   Printer-friendly
from the satisying-clackity-clack dept.
An anonymous coward writes "Anyone know of good affordable keyboards that are low latency (preferably backed by actual stats)? Low latency is not the same as polling rate.

I had an old keyboard that was high latency (added about 30-50ms more latency when compared to a "gaming" mouse I had!) so I bought a low end "gaming" keyboard[1] which is lower latency but the keys "stick" sometimes (e.g. the system thinks keys are still being held down even though they aren't have to press the offending keys again to unstick them). I don't want to buy an expensive keyboard and find the latency to not be really much better or even worse[2]. And yes 30-50ms can be a noticeable and significant difference in games (2-3 frames).

I've done those reaction time test stuff and I get about 150-170ms using my "fastest" mouse (I have two), 170-190 with my new keyboard and 200+ms with my old keyboard. I see many people get 200+ ( see: http://cognitivefun.net/stat/1 ). At work on my employer's macbook pro I get 220+ms. So it's likely that high latency mice/keyboards[2] and screens[3] are too common. And you can appear to have 50-80ms faster reflexes just by having better equipment.

[1] an A4Tech G800V keyboard, based on one of the few less useless responses from the Other Site when I asked a similar question. Maybe it's faulty but it's going to be hard to prove since it's intermittent. FWIW I got it for half the newegg price and the place I bought it from doesn't sell A4tech mice or keyboards anymore.

[2] http://www.blackboxtoolkit.com/responsedevices.htm l
  http://www.pstnet.com/eprimedevice.cfm

[3] http://www.displaylag.com/display-database/"
 
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  • (Score: 2, Interesting) by len_harms on Thursday March 06 2014, @03:20PM

    by len_harms (1904) on Thursday March 06 2014, @03:20PM (#11979) Journal

    Also keep in mind the latency may not even be at the keyboard level.

    I plugged my laptop into a 55 inch lcd. Massive lag of up to a 1/4 a second. HDMI introduces a decent amount of processing. The TV itself also had a bunch of filters for smoothing. Even the length of the HDMI cable introduced a bit of lag. Switched out the laptop for a newer model (faster hdmi encoder chip). Turned off each tv smoothing mode and made the cable shorter (10ft to 3ft). The lag is mostly gone but still there.

    I can play most games on it now. My wife however is unable to finish the second board on pacman because of it. Yet she can usually get to the keys level on her laptop.

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