valzo
4.2K posts


sorry but this article is very hard to take seriously. I am sure you have the best intentions but the testing methodology itself presents some very obvious issues and you make some claims that are unsubstantiated by your sources.
1. first of all, if your LDAT is measuring >20ms e2e, something else in your pc is being a massive bottleneck, making your setup not representative of the people that would benefit from increasing their hz. 20ms e2e is absurd - you'd have single digit (<6ms) e2e on any competitive modern FPS, which already changes your whole point of "it's a small percentage of the total".
Specifically, with my LDAT, I have <3ms (almost always <2ms) e2e on a dx11 app that renders a pure black image and flashes a white image on input. So for you to be getting 20ms it means you're testing with your FPS locked to a very low value or with something else going very wrong in your pc.
2. You test latency based on clicks, but you don't verify whether "mouse 2" uses 8khz for clicks no matter what the reporting rate is set to, which is very common. In which case, you basically thought you were changing a variable while you weren't. This is a very big oversight.
3. n=25 is incredibly low for this. I only start getting serious convergence after 500 clicks, because you need to consider that the various phases of the quantization steps (usb polling, monitor refresh rate, fps) aren't phase locked and slowly drift, and you want to be able to sample for long enough that you don't let the current relative position of the phases dominate the testing. So even if 1/2 were solved, you can't run n=25 and make claims based on that.
4. you only consider the latency effects of higher hz without considering the fact that increasing reporting rate increases the GRANULARITY of the data, the decrease in the upper bound of latency per packet is only really a side effect. Increasing the granularity of data has effects on motion blur by means of decreasing jitter in camera rotations due to making sure that any motion being reported by the mouse is evenly spread out across frames - higher granularity decreases the likelihood of a frame being simulated with no motion packets during a continuous mouse movement. This is impactful on motion blur by means of the temporal integration occurring in your eyes, but ofc I'll summon the expert @BlurBusters on this topic, but the effect of higher hz on this phenomenon is very easy to reproduce and I've done so myself both on the mouse cursor and in-game by properly adjusting the shutter speed of my global shutter camera
5. you make some claims about raw input that are not substantiated in your sources. "Windows explicitly documents in the Raw Input model that even with 1,000 Hz mice, multiple input events can accumulate between two iterations of the message loop" -> you are missing the point. This isn't an issue, it's intended behavior. By the time you read your message queue, it's completely normal that, since this is all asynchronous, more rawinput messages could have been added to the queue. The way you use this fact is a non sequitur. You say: "That is a fairly clear indication that high input frequencies are not automatically translated 1:1 into immediate benefit". This does not follow logically at all. Modern FPS competitive games (cs2/valorant for example) use GetRawInputBuffer which consumes the queue completely right when the game is about to simulate its world (read: use the rawinput data to rotate the camera/execute shooting events etc.). So you are taking a rather "obvious" point (the fact that by the time your win32 app gets the lock for the message queue and reads the WM_INPUT message, more messages might have arived), to mean that those messages are inherently delayed, whereas any good implementation of rawinput would still consume ALL the available messages at the time of the game simulation by means of GetRawInputBuffer.
So all this said, your conclusions at the end of the article are just not substantiated by the contents of the article. I am not saying 8khz is meaningful, mind you. I am saying that you are trying to make the logical leap that it is NOT meaningful by means of data points that do not, in fact, prove it not to be.
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docs.google.com/spreadsheets/d…
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Madness!@Madness727
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jan 14th 2026
cant wait!
you should buy it now before the price increases
#introduction" target="_blank" rel="nofollow noopener">karhusoftware.com/ramtest/#intro…


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Before: 246 AVG | 181 Low 1%
After: 362 AVG | 242 Low 1%
What we optimized:
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Nvidia GeForce RTX 5090 Giveaway🏆
Need a new graphics card? We’re giving away a Nvidia GeForce RTX 5090 to one lucky winner!
Steps to enter:
- Follow @WALLHACKHQ
- Like + RT post
- Tag one friend
International Giveaway
Ends October 31st
※ You can also participate via Instagram!

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