| 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 |