Can multiple GPUs be used for rendering?  This has a performance impact, but will usually still result in a faster render

With CUDA, OptiX, HIP and Metal devices, if the GPU memory is full Blender will automatically This is usually much smaller than the amount of system memory the CPU can access. (see Would multiple GPUs increase available memory? for more information). Typically, the GPU can only use the amount of memory that is on the GPU Why does a scene that renders on the CPU not render on the GPU? īut the most common one is that there is not enough memory on your graphics card. Using one for display and the other(s) for rendering. If possible, it is best to install more than one GPU, Though we might be able to improve this somewhat in the future. This is a limitation of graphics cards for which no true solution exists, We attempt to avoid this problem by giving back control over to the GPU as often as possible,īut a completely smooth interaction cannot be guaranteed, especially on heavy scenes. While a graphics card is rendering, it cannot redraw the user interface, which makes Blender unresponsive. Frequently Asked Questions  Why is Blender unresponsive during rendering?  With Apple Silicon while macOS 12.3 is required to use Metal with AMD graphics cards. Metal is supported on Apple computers with Apple Silicon or AMD graphics cards. The Clip extension mode in the Image Texture Node is not supported. Information about AMD graphics cards and their architectures. Or AMD Radeon PRO Software 21.Q4 GPU drivers and newer. HIP is supported on Windows and requires aĭiscrete AMD graphics card with the RDNA architecture or newer and AMD Radeon Software 21.12.1 OptiX works best on RTX graphics cards with hardware ray tracing support (e.g. OptiX is supported on Windows and Linux and requires a Nvidia graphics cards with compute capability 5.0 and higherĪnd a driver version of at least 470. With the compute capabilities and supported graphics cards. Nvidia graphics cards with compute capability 3.0 and higher. CUDA – NVIDIA ĬUDA is supported on Windows and Linux and requires a With all GPU rendering technologies, Open Shading Language is not supported.

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