Nvidia 621.01 Driver Enables Microsoft Advanced Shader Delivery for Faster Game Loads

Nvidia released GPU driver version 621.01 to enable Microsoft's Advanced Shader Delivery technology, which aims to accelerate game launch times and improve runtime performance. According to The Verge, this update allows the cloud-based compilation system to function on Nvidia hardware, removing the need for local just-in-time shader processing during gameplay.

Microsoft’s Advanced Shader Delivery works by offloading the computational heavy lifting of shader compilation to the cloud, covering various hardware and driver combinations. Andrew Burnes of Nvidia explained that developers use DirectX 12, Windows 11, and the Microsoft Agility SDK to capture shaders into a State Object Database. This allows Microsoft’s cloud network to precompile shaders for hundreds of thousands of specific hardware setups before the user even launches the game.

How the technology improves performance

The primary benefit of this system is the elimination of mid-game stuttering and sudden CPU spikes caused by traditional just-in-time shader compilation. Burnes stated that the technology achieves a near-100 percent cache hit rate, which effectively wipes out these performance interruptions in supported titles. Users will no longer encounter the lengthy shader compilation screens that typically appear when launching certain demanding games for the first time.

This approach shifts the processing burden from the local PC to Microsoft’s infrastructure, ensuring that the necessary graphical data is ready before execution. By precompiling shaders for specific hardware combinations, the system ensures that the graphics card receives optimized instructions immediately, rather than compiling them on the fly while the user is playing.

Compatibility and supported titles

Gears of War: E-Day and Call of Duty: Modern Warfare 4 are the first games confirmed to support Advanced Shader Delivery, provided they are downloaded via the Xbox PC app. Burnes noted that the system is storefront-agnostic, meaning players benefit from the feature even if they purchased the games on Steam, as long as the Xbox PC app is installed on their machine. This requirement ensures that the necessary background services are active to communicate with the cloud database.

While Nvidia driver 621.01 is the focus of this release, the technology is not exclusive to Nvidia hardware. According to The Verge, AMD GPUs running Adrenalin 26.6.1 or higher also support Advanced Shader Delivery. Additionally, Qualcomm’s Snapdragon X2 series devices with driver version 2026.08.3 or higher are compatible with the feature, indicating a broad industry adoption of Microsoft’s cloud-based shader solution.

What should you do?

Users wishing to utilize this feature should update their graphics drivers to the latest versions specified by their hardware manufacturers. For Nvidia users, this means installing driver 621.01, while AMD and Qualcomm users should ensure they are on the minimum required versions. Additionally, players must have the Xbox PC app installed to enable the cloud communication required for shader delivery, regardless of where the game was originally purchased.

What to do and how to stay safe: Nvidia

• Update your graphics driver to the latest version compatible with your hardware to access new features.
• Install the Xbox PC app if you plan to play supported titles, even if purchased on other storefronts.
• Monitor official vendor announcements for lists of games that support cloud-based shader delivery.
• Verify that your operating system meets the requirements, such as Windows 11, for DirectX 12 features.

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Frequently asked questions

Which Nvidia driver version supports Advanced Shader Delivery?

Nvidia driver version 621.01 enables support for Microsoft's Advanced Shader Delivery technology.

Do I need to buy games on Xbox to use this feature?

No, the system is storefront-agnostic, so you benefit even when playing games purchased on Steam, provided the Xbox PC app is installed.

Is this feature available on AMD or Qualcomm hardware?

Yes, it is supported on AMD GPUs with Adrenalin 26.6.1 or higher and Qualcomm Snapdragon X2 series with driver 2026.08.3 or higher.