AMD FidelityFX Denoiser includes a spatio-temporal denoiser optimized for reflection denoising.


  • DirectX®12.
  • Vulkan®.

Download the latest version


State-of-the-art algorithm

Optimized for Shader Model 6.0+

Open source, MIT license

  • High performance spatio-temporal denoiser, specialized for reflection denoising.
  • Tile Classifier to skip non reflective areas.
  • Variable Rate Traversal: From full rate for mirror reflections down to quarter rate for glossy reflections.
  • Temporal Variance Guided Tracing.


  • Classifier pass for reflection rays and denoiser tiles.
  • Spatial filter pass.
  • Temporal reprojection pass.
  • Gaussian blur.

Note to developers

AMD FidelityFX Denoiser includes a spatio-temporal denoiser optimized for reflection denoising. 

A denoiser optimized for raytraced shadows will be added here in a future update. If you are a developer working on a raytracing title then please contact your AMD representative for early access.


How it works

1. Noisy reflection input
3. Temporal resolve
2. Spatial resolve
4. Gaussian blur

Additional resources

Head over to AMD FidelityFX SSSR to see the Denoiser in action.

A set of guidelines for developers on how to present options in the game’s user interface to enable/disable AMD FidelityFX Effects.

Find out what developers are saying about AMD FidelityFX.

Version history

  • Initial release

More AMD FidelityFX effects

Cauldron Framework

Radeon™ Cauldron is our open source experimentation framework for DirectX®12 and Vulkan®.

Our other effects


A multithreaded CPU library for deformable material physics, using the Finite Element Method (FEM)


The DepthOfFieldFX library provides a GCN-optimized Compute Shader implementation of Depth of Field using the Fast Filter Spreading approach.


GeometryFX improves the rasterizer efficiency by culling triangles that do not contribute to the output in a pre-pass. This allows the full chip to be used to process geometry, and ensures that the rasterizer only processes triangles that are visible.


ShadowFX library provides a scalable GCN-optimized solution for deferred shadow filtering. It supports uniform and contact hardening shadow (CHS) kernels.


The TressFX library is AMD’s hair/fur rendering and simulation technology. TressFX is designed to use the GPU to simulate and render high-quality, realistic hair and fur.