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Render SettingsV-Ray for Blender

V-Ray for Blender

Performance

This page provides information about the Performance tab of the System Settings.

Last updated 18 September 2025

This page provides information about the Performance tab of the System Settings.

Parameters

Thread Mode – Controls how V-Ray uses your CPUs and how many threads it will run on them.

Auto – When enabled, V-Ray detects the number of available CPU threads and uses them all. The number of threads is displayed below this dropdown menu.
Fixed – Allows you to manually specify how many threads V-Ray uses.

Threads – When Thread Mode is set to Fixed, this parameter determines the number of threads used by V-Ray.

Lower Thread Priority – When enabled, the rendering process has a lower thread priority to allow other processes to run faster.

Brute Force Engine

This page provides information on the Brute Force rollout under the GI tab in V-Ray's Render Settings.

Render Settings

Caustics Rollout

This page provides information on the Caustics rollout.

Render Settings

Color Management

Rendering Color Space – Color space to use for rendering. Affects Sun/Sky, temperature color controls, and texture color conversion. For VFB to properly display ACEScg renders, use the respective OCIO config. The following options are available:

Render Settings

GI tab

This page provides information on the GI tab of V-Ray's Render Settings.

Render Settings

Globals Rollout

This page provides information on the Globals rollout under the Globals tab in V-Ray's Render Settings.

Render Settings