AMD Ryzen CPUs See Up To 27% Performance Boost In Cyberpunk 2077 With Unofficial SMT Fix
Users have found an unofficial fix for poor utilization & the resultant poor performance of AMD Ryzen CPUs within Cyberpunk 2077.
Since the launch of Cyberpunk 2077, AMD CPU owners have noticed that their chips remain under-utilized, most notably in regards to SMT. This issue was found right after the game's release & while CDProjektRed has said that the issue has been addressed within the HotFix 1.05 patch, that doesn't seem to be the case at all as discovered in tests run by PCGamesHardware.
Editors from @PCGH_Redaktion trying to prove (again and again) that Ryzen CPUs with 8 cores run faster with an SMT fix/hack, thus using all 16 threads. https://t.co/jWkvxOgH90@CDPROJEKTRED is not willing to provide an official fix. One can only speculate whether this is…
— CapFrameX (@CapFrameX) June 26, 2023
The Cyberpunk 2077 HotFix 1.05 patch mainly addressed the SMT/Thread utilization on AMD Ryzen CPUs, mainly the 4-core and 6-core SKUs. According to the devs, the 8-core, 12 core & 16 core chips were running as intended however a simple benchmark run outside of the built-in test reveals that AMD Ryzen CPUs still face under-utilization of their cores/threads which can lead to drastically poor performance.
The solution to this comes in the form of a simple HEX edit which you can download and use for yourself by following the simple guide provided by the tech outlet below:
If the download is flagged by your anti-virus, then you can just edit the Cyberpunk 2077 executable manually by replacing the hex value "75 2D 33 C9 B8 01 00 00 00 0F A2 8B C8 C1 F9 08" with "EB 2D 33 C9 B8 01 00 00 00 0F A2 8B C8 C1 F9 08" and save it. Duplicating the older executable and using it with the original hex code would allow you to run the game with and
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