Community tests confirm DLSS 4.5 yields 20%+ performance loss on older RTX 30 and 20 series GPUs compared to DLSS 4.0 — Nvidia warnings ring true following rollout

DLSS 4.5, the latest upscaling model from Nvidia, has been tested by enthusiasts on older RTX 30 and 20 series GPUs, showing a performance loss of over 20% compared to DLSS 4.0. Benchmarks on an RTX 3080 Ti in Cyberpunk 2077 and The Last of Us Part 2 revealed significant drops in FPS with DLSS 4.5. Nvidia had warned about potential performance issues on older cards due to the increased computational intensity of DLSS 4.5. Confusion has arisen regarding DLSS 4.5 overrides in games, leading to discussions on the best presets to use for different modes and resolutions.