NVIDIA's DLSS 4.5 introduces significant upgrades over DLSS 4, focusing on image stability and ghosting reduction. Below is a detailed comparison of the Key differences.
| Feature | DLSS 4 | DLSS 4.5 |
|---|---|---|
| Ray Reconstruction | Version 1.0 (Basic) | Version 2.0 (Enhanced) |
| Supported GPUs | RTX 40 Series | RTX 50 / 40 Series |
| Ghosting | Minor issues in fast motion | Significantly Reduced |
| Auto-Update | Manual Swap Required | Native Support |
Is it Worth upgrading?
If you have an RTX 50 or 40 series card, the upgrade to DLSS 4.5 (via driver or DLL update) is highly recommended for the visual stability improvements alone. For older RTX users, the benefits are limited to the Super Resolution component.