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[Sticky] Before deciding between a GPU or a CPU-based rendering system!


Ben K.
Member Admin
Joined: 4 years ago
Posts: 366
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Before deciding on hardware for a new computer, specifically the GPU and CPU, it is important to have a general idea about which render engine you will use to do all or the majority of the rendering.

When rendering with the CPU, all of the processing power, as well as all of the RAM in a machine, will attempt to be utilized. Users can also allocate how much RAM a machine should use for rendering, as to not bog down other tasks or background processes.

Quicksilver and some 3rd-party render engines (like RedShift and V-Ray RT) are more based off of GPU utilization. With GPU rendering, the concern falls more heavily on the number of rendering cores that are available for the graphics card as well as the amount of video RAM that it has available.

Note: Video RAM can then be a very important factor since a scene needs to be loaded into the graphics card's memory first so that the rendering process can begin.

GPU-based render engines should use more robust video cards. While CPU-based render engines need a decently powerful processor.

In closing, you should know your software and the type of render engine it uses before investing in new hardware. 

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