Portal RTX gets patch with DLSS 4, Multi-Frame Generation and RTX NRC - an upgrade for RTX 50
Almost three years after its release, Portal RTX continues to receive tech updates, cementing its status as a showcase for cutting-edge RTX features. The new patch, available since May 19, brought several major improvements aimed at owners of modern graphics cards GeForce RTX 5000 series.
The key innovation is DLSS 4 support with multi-frame generation (Multi-Frame Generation), which allows you to form up to four frames for each rendered, significantly increasing productivity. The developers note that in a number of scenes frame rate can increase up to 4 times, although this increases the response delay. MFG is configured separately through the graphics menu and is only available on GPU Blackwell generations.
Also added to the game RTX Neural Radiance Cache (NRC) technology — a neural network reflection and indirect lighting caching system that reduces the load on ray tracing. Thanks to a combination of AI algorithms and shader interpolation, NRC makes reflections and diffuse light more stable when the camera moves, eliminating jitter and visual noise. This feature is automatically enabled when full ray tracing is activated.
In addition, the update improves rendering stability, accelerates shader compilation and optimizes video memory usage. Textures now load with less delay, and game startup time has been significantly reduced. All changes are documented in the official note on the Portal RTX forum on Steam.
Portal RTX remains one of the most advanced demonstrations of RTX technology, and with the release of DLSS 4 it is getting a second life - especially for users with GPU RTX 5090 and RTX 5080.
