Rainbow Six Siege is Finally Bringing Vulkan API to the Main Client

Ubisoft first introduced Vulkan API to the Rainbow Six Siege test servers in November 2019. Initial testing took place in November 2019, but an extreme amount of crashes and performance issues made it clear that the DirectX 11 alternative needed work. Today, the developer announced that Vulkan API is finally being implemented into the live build of Rainbow Six Siege.

Vulkan API

Patch 4.3 will allow players to choose between DirectX 11 and Vulkan API when launching Rainbow Six Siege. Ubisoft notes that the advantages of Vulkan will hopefully “improve performance on a number of levels.”

“The Vulkan API provides advantages over DirectX 11 that can help Rainbow Six Siege improve graphical performance,” writes the Ubisoft dev team in a new blog post. “Moreover, Vulkan as a newer API has benefits that will help to reduce CPU and GPU cost, as well as support for more modern features that can open the door to more new and exciting things in the future.”

Vulkan
Launching Rainbow Six Siege With Vulkan API

Without going into the technical details, Vulkan API could help increase performance. Despite “extensive internal validations”, the new API still needs a lot of work. As this is the first release, don’t expect it to work flawlessly. There are quite a few issues with Vulkan, such as stuttering and crashing when GPU memory is exceeded.

“Please keep in mind that as we are still in the process of tweaking and testing Vulkan for Rainbow Six Siege,” continues the post. “Some players may see no change or potentially decreased performance with the initial live release. As we continue to move forward with Vulkan, the goal is to optimize Vulkan to improve graphics performance for our players.”

Patch 4.3 for Rainbow Six Siege will bring an array of balance changes to a number of operators sometime next month. Read up on all the changes coming in the update here.


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Farhan Ali


Farhan is a passionate writer with an undying love for games, PC hardware, and technology. With nearly 5 years of experience in blogging and over 14 years of experience in gaming, this is what he loves and does best.
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