How Modders Are Bringing NVIDIA's Latest Frame Generation Tech to Older GPUs
A developer has released NVSmooth30, an experimental mod that brings NVIDIA's Smooth Motion frame generation technology to RTX 30 Series graphics cards, which the feature officially does not support. Users have already reported success running the mod on various Ampere-generation GPUs, with some achieving frame rate improvements of up to 100 percent in compatible games.
What Is NVIDIA Smooth Motion and Why Does It Matter?
NVIDIA Smooth Motion is a driver-level AI frame generation solution that was introduced with the RTX 50 Series and later expanded to RTX 40 Series GPUs. Unlike DLSS Frame Generation, which requires game developers to integrate NVIDIA's software development kit, Smooth Motion works at the driver level and can generate additional frames in games that lack native frame generation support. This means users can potentially see smoother gameplay and higher displayed frame rates without waiting for game developers to add the feature themselves.
The technology functions similarly to AMD's Fluid Motion Frames 2.1, generating additional frames between traditionally rendered ones to improve perceived smoothness. For gamers with older hardware, access to this technology could mean the difference between a playable and unplayable experience in demanding titles.
How Does the NVSmooth30 Mod Work?
The NVSmooth30 mod achieves compatibility with RTX 30 Series GPUs through a clever technical workaround. According to developer Adeline, the mod modifies NVIDIA's NvPresent64.dll runtime behavior, bypassing the GPU architecture and capability checks that prevent Smooth Motion from initializing on Ampere hardware. The mod also intercepts the CUDA module-loading process, retargeting compatible Ada Lovelace GPU code to work with Ampere processors.
Importantly, the implementation does not redistribute NVIDIA's proprietary binaries. Instead, it uses the NvPresent64.dll version already installed with the user's graphics driver, which helps keep the mod within legal and ethical boundaries. Adeline has also been working on an experimental Direct3D 11-to-Direct3D 12 presentation bridge, which could potentially expand the mod's usefulness across a much larger library of PC titles.
What Results Are Users Seeing?
Early user reports suggest the mod delivers meaningful performance improvements across different RTX 30 Series GPUs. The developer initially demonstrated the project on an RTX 3050 Laptop GPU, but other users have already reported success with considerably more powerful Ampere GPUs. One Reddit user confirmed that Smooth Motion works in Kingdom Come: Deliverance II on an RTX 3070, while another reported that their RTX 3080 achieved approximately 130 displayed frames per second, up from 65 frames per second without frame generation in the same game.
These are preliminary user-reported results rather than independently verified benchmarks, but they suggest that compatibility extends beyond the developer's original test system. The potential for doubling frame rates in some scenarios makes this mod particularly interesting for gamers who want to extend the lifespan of their existing hardware.
How to Get Started With NVSmooth30
- Installation Method: Getting NVSmooth30 running involves placing its version.dll proxy file alongside the game's executable and enabling Smooth Motion for that title through NVIDIA Profile Inspector.
- Driver Updates: The developer notes that the Smooth Motion setting may need to be reactivated following graphics driver updates, as NVIDIA's driver changes could affect the mod's functionality.
- Accessing the Code: The project's source code and installation instructions are available on GitHub, with additional demonstrations and early user impressions available in Adeline's original Reddit thread.
What Are the Important Caveats and Risks?
While the mod shows promise, users should be aware of significant limitations. NVSmooth30 remains an alpha-stage project, meaning compatibility across different games, drivers, and RTX 30 Series GPUs is not guaranteed. NVIDIA driver updates could introduce changes that break the mod's functionality entirely. Users are advised against trying it in competitive or anti-cheat-protected games, as the mod could trigger anti-cheat systems or result in account bans.
Additionally, crashes, corrupted frames, and black screens remain possible outcomes when using the mod. The experimental nature of the project means that stability and compatibility will likely improve over time as the developer and community refine the implementation, but early adopters should approach with caution and realistic expectations.
Why Does This Matter for the Broader GPU Market?
The emergence of NVSmooth30 represents another interesting development in a growing trend of community-driven mods that extend the capabilities of older graphics hardware. Recent months have seen the emergence of mods enabling DLSS Frame Generation and Multi Frame Generation on older GeForce RTX GPUs, suggesting that the modding community is actively working to bridge the gap between older and newer hardware capabilities.
For Ampere GPU owners, these mods offer a pathway to experiment with NVIDIA's newer rendering technologies without upgrading their graphics cards. This could extend the useful lifespan of RTX 30 Series hardware and provide a more affordable way for gamers to access cutting-edge frame generation features. As NVIDIA continues to develop new technologies exclusively for newer GPU generations, community efforts like NVSmooth30 help democratize access to these innovations.