: Users reported improved fine detail stability and reduced smearing during fast motion in titles like Cyberpunk 2077 and The Witcher 3: Wild Hunt .
While DLSS 2.5.1 was a peak for the "DLSS 2" era, the technology has since advanced significantly: DLSS 2.5-2140-2-5-1671256654.zip
The string 1671256654 in the filename is a corresponding to Friday, December 16, 2022 , the approximate time this specific build or archive was generated. The "2.5" and "2140" segments represent the version branch and specific internal build identifiers used during its distribution on platforms like TechPowerUp . Legacy vs. Modern DLSS : Users reported improved fine detail stability and
The filename "" refers to a specific archived release of NVIDIA's Deep Learning Super Sampling (DLSS) dynamic link library (DLL) file, version 2.5.1 . This version, released around December 2022 , marked a significant milestone for DLSS 2 by removing mandatory built-in sharpening and greatly improving temporal stability. Technical Context and Evolution Legacy vs
: Unlike previous versions (like 2.4.x), DLSS 2.5.1 deprecated the integrated sharpening filter. NVIDIA recommended that developers transition to NVIDIA Image Scaling (NIS) for sharpening, as the built-in version often introduced unwanted artifacts and ghosting.
DLSS 2.5.1 is highly regarded by the PC gaming community as one of the most stable "non-ghosting" versions of the upscaling technology. Its release addressed several long-standing visual issues in high-performance gaming:
: Because many games ship with older DLSS versions, it is a common practice for enthusiasts to manually replace the nvngx_dlss.dll file in their game folders with newer versions like this one to gain these visual benefits without waiting for official game patches. File Naming Breakdown