False joy or false controversy for some clever Portal Prelude RTX players.
NVIDIA has never made a secret of it: DLSS3 and its famous Frame Generation are reserved exclusively for GeForce RTX 4000 graphics cards. The technology exploits artificial intelligence to simply generate every second frame in its entirety, with the second being rendered in the "normal" way by the graphics card. According to NVIDIA, to achieve such a result, DLSS3 requires 4th-generation Tensor Cores, which do not exist on older RTX cards, the 2000 and 3000 series.
However, a few weeks after the release of DLSS3, a controversy arose, and it almost started again with the discovery made by some gamers. They noticed that on Portal Prelude RTX - the technical demo of the game released in 2008 that Valve and NVIDIA published in July 2023 to promote the latter's technologies - it was possible to activate Frame Generation, even if the PC was only equipped with a GeForce RTX 2000 or RTX 3000. Astonishing, isn't it?
NVIDIA was quick to respond. On its official forums, the company answered the question: " Why does it seem like DLSS Frame Generation works on RTX 20 and 30 series GPUs in Portal Prelude RTX ? The answer is very simple, and really comes down to a single word: "bug". Of course, NVIDIA has clarified matters.
" We've noticed that members of the PC gaming community, and Discord Communities before them, have encountered a bug in an older version of the DLSS v1.0.1.0 DLL that causes frame generation to appear on 20/30 series cards. This is not real frame generation, but a simple duplication of existing images. The frame counter displays higher IPS, but there's no improvement in fluidity or experience. This can be verified by evaluating duplicated images with tools such as NVIDIA ICAT or by viewing Remix logs indicating an image generation error ".
NVIDIA also states that " the frame generation DLLs have since corrected this bug, and NVIDIA will soon release an update to RTX Remix to avoid further confusion when frame generation behaves incorrectly ". DLSS3 Frame Generation is and will remain on GeForce RTX 4000.
