Modded DLSS 5 Offloads Rendering to a Second GPU, Boosting Frame Rates but Adding Latency

A user-generated mod for Nvidia's DLSS 5 technology shifts the upscaling workload from the primary graphics card to a second GPU. Tests reported by Digital Foundry indicate that this approach can roughly double the frame rate compared with the standard DLSS implementation, though it adds about 8 to 12 milliseconds of rendering time, resulting in a comparable increase in input latency. The mod appears to apply a consistent performance cost to each rendered frame, and developers may have limited ability to mitigate this overhead without direct integration from Nvidia. Nvidia has suggested that future driver or hardware updates could improve efficiency, hinting at potential speed-ups of up to seven times the current performance. The community feedback notes that while some titles struggle to maintain 60 fps at 4K with all settings maxed, most games run comfortably within the 75–80 % performance threshold, making the gains from the mod noticeable without severe visual compromise.

"The cost is around 8-12 ms of rendering time so frame-rates tend to just about halve – with a corresponding increase in latency," a Digital Foundry representative said. The modification does not appear to address memory bandwidth or compute bottlenecks directly, and its effectiveness may vary depending on the specific game's demands and the configuration of the secondary GPU.