Input lag - where does it occur the most? Wireless mouse? HDTV? PC itself?

[Brat Gvidon]

I own Logitech G700 wireless gaming mouse and I love it to death, but I wonder how much input lag I am getting from it vs. wired mouse. I set my mouse profile to gaming, maximum power & performance, use the highest polling rate of 1000, and the highest DPI of 5700. I heard that mouse input lag alone can ruin a competitive gamer's performance, but I game purely for entertainment. Are there any articles about wireless vs. wired input lag I can read about to learn more?

My 40' Samsung LN40B550 60Hz LCD HDTV has s 6ms response time (super-tiny/no ghosting visible to me), but the input lag is unknown to me. A 40' LCD HDTV has a higher input lag than your average LCD monitor, be it IPS or TN type, right? I've read that IPS monitors can have input lag as high as 30ms and still be very suitable for FPS gaming.

I set my eyes on a very low response time 120Hz 3D TN gaming monitor LG D2342PB-PN (http://www.newegg.com/Product/Produc...82E16824005298) for many reasons, but input lag reduction is one of them. My mouse, Logitech G700, can use a USB cable for both charging and utilization as a mouse. Wireless receiver can be unplugged, but the mouse will still work via USB alone.

1. Does input lag from my Logitech G700 mouse decrease to a wired gaming mouse level when used via USB cable alone?
2. Will my overall input lag change dramatically when I switch from my 40' Samsung LN40B550 60Hz LCD HDTV to the monitor I linked above (LG D2342PB-PN)?
3. Where is the input lag most noticeable or most extensive - human interface devices? Displays? Other?
4. If I am not noticing input lag with my current setup (wireless mouse + HDTV), then am I likely to see a difference when I switch to a new monitor and/or use the mouse via USB cable alone?
5. Is my understanding of response time vs. input lag correct? Response time is applicable only to the display itself and it determines the degree of the effects of ghosting and fluidity. Input lag is simply the amount of time it takes for your command to travel from your mouse/keyboard to whatever destination, but in most cases its from your mouse/keyboard to your actual display screen - length of time between a mouse click and the result you see on the screen (lag between display and eyes not included).

While both factors are important to gaming, which one is more important to you and why?

[Tempy]

You can read about input lag here - http://www.tftcentral.co.uk/articles/input_lag.htm

Don't confuse it with response time as they are different.

Regarding mice, I would recommend wired.

I recently purchased a Dell U2412M for gaming, the input lag is extremely low and being an IPS panel the image looks far better than TN. My accuracy was better when gaming on my old 19" CRT although it's easier to spot enemies in dark areas and being 24" games are more immersive.

[Brat Gvidon]

You can read about input lag here - http://www.tftcentral.co.uk/articles/input_lag.htm

Don't confuse it with response time as they are different.

Regarding mice, I would recommend wired.

I recently purchased a Dell U2412M for gaming, the input lag is extremely low and being an IPS panel the image looks far better than TN. My accuracy was better when gaming on my old 19" CRT although it's easier to spot enemies in dark areas and being 24" games are more immersive.

Recommend me to buy another mouse that is wired? Are you saying that my mouse still has high input lag, even when it is wired via USB (while the wireless receiver is completely removed), forcing the signal to go ONLY via wired USB cable?

[Tempy]

Recommend me to buy another mouse that is wired? Are you saying that my mouse still has high input lag, even when it is wired via USB (while the wireless receiver is completely removed), forcing the signal to go ONLY via wired USB cable?

Your G700 will perform better when it is wired, in wireless mode it won't be as accurate. How much this affects you personally, I can't say. If the G700 is comfortable and your happy with it's performance then that's all that matters.

My priorities when purchasing a new mouse apart from being wired are listed below.

1. Comfort
2. Optical.
3. No angle snapping, if possible.

You can't really go wrong with either a Deathadder, G400 or even the MX518 (has angle snapping) but whichever you choose, it has to be comfortable to use.

Found a thread here on the various Deathadders available - http://www.overclock.net/t/1128321/t...der-megathread

[mutelight]

As mentioned, response time and input lag are very different.

I'd wager that 90%+ of the lag you are seeing is due to the TV.

Make sure no automotionplus, extra processing, etc is engaged and it should help minimize it.