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
Published: (January 6, 2026 at 02:25 PM EST)
1 min read
Source: Tom's Hardware
Source: Tom’s Hardware
Summary
DLSS 4.5 testing by enthusiasts has revealed a 20 % or greater performance reduction compared to DLSS 4.0 on RTX 20‑ and 30‑series GPUs.