| Feature | Mantra | H19.5 Karma CPU | H19.5 Karma XPU | 
      
        | Status | Production-ready | Production-ready | Beta | 
      
        |  |  |  |  | 
      
        | CPU Renderer | Yes | Yes | Yes [Hybrid] | 
      
        | GPU Renderer | No | No | Yes [Nvidia] | 
      
        |  |  |  |  | 
      
        | USD/Solaris Support | No | Yes | Yes | 
      
        | IFD Support | Yes | No | No | 
      
        | Open Image IO | Yes | with Env Variable | Yes | Yes | 
      
        |  |  |  |  | 
      
        | Standard Surface Shader | Principled - VEX | Principled - VEX/USD Preview/MaterialX | USD Preview/MaterialX | 
      
        | VEX shading | Yes | Some trace() function support | No | 
      
        |  |  |  |  | 
      
        | CVEX: Lens Shader | Yes | Yes | Karma Physical Lens | 
      
        | CVEX: Volume Procedurals | Yes | Planned for Future Release | No | 
      
        |  |  |  |  | 
      
        | Toon Shader | VEX Shading | VEX Shading | No | 
      
        | Rounded edge/Dirt masks | Yes | Yes | No | 
      
        | Texture Baking | Yes | Preliminary Support | No | 
  
      
        |  |  |  |  | 
      
        | MaterialX Surface Shaders | No | Mtlx Standard Surface/USD Preview | Mtlx Standard Surface/USD Preview | 
      
        | MaterialX Disney 2012/2015 | No | No | No | 
      
        | Custom MaterialX PBR Shaders | No | Yes | Planned for Future Release | 
      
        | MaterialX SSS | No | Yes | Yes | 
      
        | MaterialX Color Management | No | Planned for Future Release | Planned for Future Release | 
      
        | MaterialX Displacement | No | Yes | Yes | 
      
        |  |  |  |  | 
      
        | Material Overrides | Material Stylesheets | [USD] | Assign Material and Material Variation LOPS | [USD] | Assign Material and Material Variation LOPS | 
      
        |  |  |  |  | 
      
        | Adaptive Sampling | Yes | Yes | No | 
      
        | Motion Blur | Yes | Yes | Yes | 
      
        | Depth of Field | Yes | Yes | Yes | 
      
        | Physical Sub Surface Scattering | Yes | Yes | No | 
   
        | Random Walk Sub Surface Scattering | No | Yes | Yes | 
      
        | Volumes | Yes | Yes | Yes [Pyro Preview Shader] | 
      
        | Heightfields | Yes | Yes via Solaris | Yes via Solaris | 
      
        | Instancing | Yes | Yes | Yes | 
      
        | Nested Instancing | No | Yes | Yes [Fixed Number of Levels] | 
      
        | Deferred Geometry Load | Yes | Planned for Future Release | Planned for Future Release | 
      
        | Subdivision | HoudiniSubdiv/OpenSubdiv | OpenSubdiv | OpenSubdiv | 
      
        | Displacement Shading | Yes | Yes | Yes | 
      
        | Crowd Support | Yes | Partial Support | USDSkel support, but not optimized | Partial Support | USDSkel support, but not optimized | 
      
        | NURBS | Yes | Tesselated at Fixed Rate | Tesselated at Fixed Rate | 
      
        | Lens Shaders | Yes | Custom VEX lens shaders | Karma Physical Lens | 
      
        | Absorption and Nested Dielectrics | Yes | Nested Dielectrics | No | 
      
        | Pyro Shader for Volumes | Yes | Yes | SimplifiedLimited Version | 
          
        | HdCoordSystem support for shaders | No | Yes | No | 
          
        | Uniform Volume Geometry | Yes | Yes | No | 
      
        |  |  |  |  | 
      
        | Denoising | Optix | Intel | Optix | Intel | Optix | Intel | 
      
        | AOVs | Yes | Yes | Yes [no LPE]) | 
      
        | Deep Images | Yes | Yes | No | 
      
        | Cryptomatte | Yes | Yes | No | 
      
        |  |  |  |  | 
  
      
        | Light type: Point | Point Light | Yes | Yes | 
      
        | Light type: Dome | Environment Light | Yes | Yes | 
      
        | Portals on Dome Light | Portal Light | Yes | Planned for Future Release | 
      
        | Light type: Distant | Distant Light | Yes | Yes | 
      
        | Light type: Disk | Area Light | Yes | Yes | 
      
        | Light type: Rectangle | Area Light | Yes | Yes | 
      
        | Light type: Sphere | Area Light | Yes | Yes | 
      
        | Light type: Cylinder | Area Light | Yes | Yes | 
      
        | Light type: Geometry | Geometry/Volume Light | Yes (points, curves, meshes, volumes) | Planned for Future Release | 
      
        | Light type: Portal | Yes | Yes | No | 
      
        |  |  |  |  | 
  
      
        | Shaping Control: Cone | Spot light | Yes | Yes | 
      
        | Shaping Control: Focus | Yes | Yes | Yes | 
      
        | Shaping Control: Barn Doors | Yes | Yes | Yes | 
      
        | Shaping Control: IES Mapping | Yes | Yes | Planned for Future Release | 
      
        |  |  |  |  | 
  
      
        | Light Filters | No | Yes | Yes [Fixed Set] | 
      
        | Light Linking | Yes | Yes [No Geometry Lights] | Yes [No Geometry Lights] | 
      
        | Geometry Lights | Yes | Yes [points, curves, meshes, volumes] | No | 
      
        |  |  |  |  | 
      
        | Hair & Fur | Yes | Yes | Yes | 
   
      
        | Render Curves | Yes | Yes [tubes, ribbons, oriented ribbons] | Yes [tubes] | 
    
      
        | Render Points | Yes | Yes | Yes | 
      
        |  |  |  |  | 
      
        | Viewport Render | Yes | Yes | Yes | 
      
        | Render View | Yes | Solaris Viewport/Render Gallery | Solaris Viewport/Render Gallery | 
      
        | Interactive Mplay | Yes | Yes | Yes [No click to render] | 
      
        | Render Snapshot Gallery | Yes | Yes | Yes | 
      
        | Render to Disk | Yes | Yes | Yes | 
      
        | HQueue - Distributed Rendering | Yes | Yes | Yes | 
      
        | Standalone Command-line render | Yes | Yes via Husk | Yes via Husk | 
      
        | CheckPointing | Yes | Yes via Husk | No | 
      
        |  |  |  | 
      
        | VEX FUNCTIONS |  |  |  | 
      
        | - gather loops | Yes | Simple Trace (no shading) | No | 
      
        | - illuminance loops | Yes | Never will be supported | No | 
      
        | - trace | Yes | Simple trace function (no shading) | No | 
    
      
        |  |  |  | 
      
        | Path Guiding | No | Yes | No | 
  
      
        | Frustrum VBDs | No | Yes | Yes | 
      
        | Light Shaping | Yes | Yes | Yes | 
      
        | Per Instance Property Overrides | Yes | Yes | No |