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DLSS Multi Frame Generation works on RTX 40 series GPUs with new mod for Cyberpunk 2077

A modder has figured out how to get DLSS Multi Frame Generation to work on RTX 40 series without using FSR, by intercepting specific DLSS calls.

DLSS Multi Frame Generation works on RTX 40 series GPUs with new mod for Cyberpunk 2077
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Tech Reporter
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TL;DR: A modder named dashdogy created a Cyberpunk 2077 mod that enables DLSS Multi Frame Generation on RTX 40-series GPUs by intercepting the DLSS DLL, altering generated-frame counts, and backporting Blackwell frame-timing instructions to Ada Lovelace; users report high-quality frame generation and large FPS gains.
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Days after a modder got DLSS 5 working on RTX 40 series GPUs, another modder has managed to get DLSS Multi Frame Generation working on RTX 40 series GPUs. The mod was made by Reddit user "dashdogy" who announced their mod on the r/NVIDIA subreddit for Cyberpunk 2077.

The mod works by reportedly intercepting the DLSS DLL in memory and changing the number of frames that are being generated, as well as backporting Blackwell-specific frame timing instructions to the Ada Lovelace architecture to ensure proper frame placement. Dashdogy's GitHub page for the mod goes into significantly more detail about how the mod works, noting that the mod targets the Streamline SDK rather than Cyberpunk 2077's renderer itself.

Multiple commenters in the NVIDIA subreddit confirmed that the mod works in Cyberpunk 2077, with one modder noting their surprise that the mod not only works, but also provides high-quality frame generation with "really good" frame pacing. Another user noted that with their RTX 4080, baseline performance drops from 38 FPS to 30-31 FPS going from a 2x to 6x multiplier, but noted that the experience felt very smooth, with the game outputting 180 FPS using generated frames. Another user posted a video of them running Cyberpunk 2077 at over 240 FPS with DLSS 5 plus multi-frame generation on an RTX 4090.

This DLSS mod is the first multi-frame generation mod that brings actual DLSS Multi Frame Generation functionality to RTX 40 series GPUs. Previous mods with similar multi-frame generation capabilities used FSR 3's frame generation technology rather than DLSS to provide greater than a 2X FG multiplier to RTX GPUs.

Frequently Asked Questions

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Question #1

How does the Cyberpunk 2077 mod enable DLSS Multi Frame Generation on RTX 40 series GPUs?

The mod intercepts the DLSS DLL in memory and alters the number of frames being generated, effectively enabling Multi Frame Generation on RTX 40 series GPUs. It also backports Blackwell-specific frame timing instructions to the Ada Lovelace architecture to ensure proper frame placement, and targets the Streamline SDK rather than Cyberpunk 2077's renderer. The mod runs the Blackwell flip metering code on the CPU to compensate for Ada Lovelace lacking a hardware flip metering system.
Question #2

Which specific DLSS calls or DLL does the mod intercept to activate Multi Frame Generation?

Question #3

What changes does the mod make to frame timing to backport Blackwell behavior to Ada Lovelace?

Question #4

What performance differences have users reported when using the mod on RTX 4080 and RTX 4090?

Users reported that on an RTX 4080 baseline framerate dropped from about 38 FPS to roughly 30-31 FPS when increasing the multi-frame multiplier from 2x to 6x, yet the experience felt very smooth with the game outputting about 180 FPS using generated frames. Another user posted a video of an RTX 4090 running Cyberpunk 2077 at over 240 FPS with DLSS 5 plus multi-frame generation, and several commenters praised the mod for high-quality frame generation and good frame pacing.

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For now, the mod is geared specifically towards Cyberpunk 2077, but it's almost undeniable that modders will figure out a way to port this mod to other games. The mod also confirms that NVIDIA's DLSS Multi-Frame Generation technology does work on Ada Lovelace in a performant manner. One of the main reasons NVIDIA has kept DLSS Multi Frame Generation exclusive to RTX 50 series GPUs is the lack of a hardware flip metering system in Ada Lovelace. However, this new mod clearly confirms that running the Blackwell flip metering code on the CPU is possible.

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News Sources:reddit.com and github.com

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About the author

Tech Reporter

Aaron is a tech journalist and computer enthusiast with over five years of experience writing computer hardware news. His passion for hardware began at an early age, building computers and later helping people on computer forums. He specializes in CPUs, GPUs, and gaming, enlightening readers on the latest tech and gaming news geared towards the enthusiast community. In his off time, you can find him reading up on the latest overclocking methods for new CPUs or playing video games.

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