DLSS 5 has already been ported to work on RTX 4000 Series graphics cards — incompatible CUDA instructions get patched to work on previous-gen hardware
Following the leak of DLSS 5 from NBA 2K27, modders have patched the DLL to run on RTX 4000 series GPUs, bypassing the original Blackwell-only restriction. Tom's Hardware verified the patch works on an RTX 4080. The mod uses ReShade and RenoDX, and multiple versions are in development. Official support for non-Blackwell hardware remains unconfirmed.
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