What Is Multi-Threaded Rendering?
Multi-threaded rendering means splitting a render job across multiple CPU cores at once so it completes faster than processing the entire image on a single core.
How it works
Modern CPUs have multiple cores, and multi-threaded rendering divides the workload, tiles of an image, or different calculation tasks, across those cores simultaneously.
This is different from single-threaded rendering, which processes everything sequentially on one core and takes considerably longer for the same scene.
Why it matters for render times
A render engine that uses multi-threading effectively can cut render times significantly on modern multi-core processors compared to older, single-threaded approaches.
This is one reason CPU core count is a major factor when evaluating hardware for CPU-based render engines.
What this means for choosing hardware or software
Not every render engine takes full advantage of multi-threading equally well, so it's worth checking how a specific engine scales with additional cores before investing in more powerful hardware.
Rendimension's production pipeline is built around hardware and render engines that make full use of multi-threading, so clients don't need to evaluate this themselves.
Questions to ask before you decide
- Does more CPU cores always mean faster rendering?
- Is multi-threaded rendering the same as GPU rendering?
- Do all render engines support multi-threading equally well?
Rendimension's team can walk you through this on your own project. Learn more about 3D rendering services.