kyube wrote: ↑26 Mar 2025, 12:47
Here's a few suggestions for troubleshooting:
1.) You haven't mentioned the specific RAM timings you've used on both of your DDR4 & DDR5 rigs.
This can
severely impact overall latency performance of a system and this is the most likely culprit of your issue.
I'd say this is the most common culprit of a majority of this subforum's visitors issue.
Running stress test utilities, such as RamTestPro for +16h
should reveal if you have major instabilities
https://pcstonks.ru/ram-test-pro/en
2.) You haven't mentioned whether your SSD or PSU changed between your 2 rigs
3.) Avoid using custom “debloated” OS ISOs, they break more things than they fix
Avoid using ISLC, DPC Latency Checker & similar utilities, they haven't worked since W7 era. Even then, their benefits were questionable at best.
Look into these guides:
https://docs.google.com/document/d/1c2- ... it?tab=t.0 (Calypto's guide)
https://github.com/valleyofdoom/PC-Tuning (easiest to setup Windows installation, requires running a simple .reg file after clean installation and you're done for the most part)
https://github.com/BoringBoredom/PC-Optimization-Hub
https://github.com/djdallmann/GamingPCSetup
Choose a good version of Windows, depending on game compatibility:
W7
W10 1709, 1803, 1809, 1909
W11 22H2, W11 23H2. Skip 24H2 for now
4.) The difference between your 2 rigs is in the USB & Network Controller (Intel to AMD, Intel to Realtek), consider troubleshooting that with xperf (found in Pc-Tuning repository) or xtw
https://github.com/valleyofdoom/xtw
5.) Dual monitors usually does add overhead, but how perceivable it is to you and whether it is the main culprit of your issues is unknown. I personally believe there are more important culprits to find
6.) Polling rate does affect over input latency.
7.) You also haven't mentioned whether your GPU driver version you tried or whether you've used the same driver versions.
8.) If you'd like to try a consistent feeling mouse experience, you could consider grabbing a ASM1x4x USB PCIe add-in card.
Their DPC/ISR performance is usually drastically better than stock Microsoft USB drivers.
Hope this helps.