V-Ray released a new version and started supporting RTX

Chaos Group has released V-Ray Next for 3ds Max Update 3, which adds support for hardware-accelerated ray tracing on Nvidia RTX graphics cards.

RTX acceleration will now be supported by other versions of the renderer, starting with Maya's V-Ray Next.

Rendering speed is faster in an average of 40% when rendering on Nvidia RTX GPUs.

There is only one major new feature in Update 3, and the 3ds Max user will be interested in V-Ray for RTX acceleration.

V-Ray Next can now take advantage of the dedicated RT ray tracing kernel in Nvidia's GeForce RTX, Titan RTX, and Quadro RTX GPUs to speed up rendering. The new RTX engine is an alternative to the existing CUDA engine and can be manually selected for rendering on RTX cards.

According to the Chaos Group blog post, performance will vary depending on how the scene is constructed and the complexity of its shaders.

According to the scenario of Chaos Group learning resources shown above, the speed of switching from CUDA to RTX on RTX GPU has increased from 7% to 177%. (No graphics card is specified in the blog post) The average performance improvement is about 40%。

Support for mixed rendering. In addition to rendering in ‘Mixed mode’ (ie using both CPU and GPU), RTX acceleration should also work with all the features currently supported by V-Ray GPUs (V-Ray Next's GPU renderers).

Chaos Group said it plans to add support for hybrid rendering in the future. RTX acceleration will now be available from other versions of the company's V-Ray, starting with Maya's V-Ray Next.

In addition, V-Ray Next for 3ds Max Update 3 adds support for deep EXR output when rendering with V-Ray GPUs, as well as many smaller feature improvements.

Reference from: 'https://www.chaosgroup.com/blog/v-ray-gpu-adds-support-for-nvidia-rtx'