How to Allocate More NPU (Neural Processing Unit) to an App in Windows 11?
Unlike CPU and GPU resource allocation, Windows 11 does not currently provide a direct setting to manually assign NPU usage to specific apps. This is because NPUs are managed automatically by the operating system and the app’s AI framework.
However, you can still influence how your system uses the NPU by:
- Ensuring the app is NPU-compatible
- Enabling hardware acceleration
- Updating AI and chipset drivers
- Managing system performance settings
- Reducing background resource usage
By doing this, Windows intelligently prioritizes AI workloads and assigns them to the NPU instead of the CPU or GPU.
Below are the step-by-step methods to effectively “allocate more NPU” to an application.
What is NPU (Neural Processing Unit), and how is it different from CPU (Central Processing Unit)?
A Neural Processing Unit (NPU) is a specialized processor built to accelerate artificial intelligence tasks, particularly those involving neural networks. It is commonly found in modern AI PCs, especially devices powered by platforms like Intel AI PCs, Qualcomm Snapdragon X series, or AMD Ryzen AI chips.
A CPU (Central Processing Unit) is the general-purpose processor responsible for handling most computing tasks, such as running programs, managing system operations, and executing instructions.
The main difference lies in how they process data. A CPU is versatile and handles a wide range of operations, but it is not optimized for AI tasks. An NPU, on the other hand, is designed specifically for parallel processing and matrix computations, which are essential for machine learning models.
Another key difference is efficiency. NPUs consume significantly less power while performing AI tasks compared to CPUs or GPUs. This makes them ideal for features like real-time transcription, AI filters, and on-device copilots.
In simple terms, the CPU is like a general worker handling everything, while the NPU is a specialist focused only on AI-related tasks.
How to Allocate More NPU (Neural Processing Unit) to an App in Windows 11?
To allocate more NPU resources to an app in Windows 11, ensure the app supports NPU acceleration, enable hardware acceleration, update drivers, prioritize the app through system settings, and optimize background processes so the system directs AI workloads to the NPU automatically.
Step 1: Check if Your Device Has an NPU
Before trying to allocate NPU resources, you must confirm that your system actually has an NPU.
Open Task Manager by pressing Ctrl + Shift + Esc. Navigate to the Performance tab and look for a section labeled NPU. If you do not see it, your device may not support NPU hardware.
Alternatively, you can check your processor specifications in Settings under System and About. Look for AI-enabled processors such as Ryzen AI or Snapdragon X Elite.
If your system lacks an NPU, allocation is not possible.
Step 2: Ensure the App Supports NPU Acceleration
Not all applications can use the NPU. Only apps built with AI frameworks like Windows ML, DirectML, or ONNX Runtime can take advantage of it.
Check the app’s documentation or official website to confirm whether it supports hardware AI acceleration. Apps like video editors, conferencing tools, and AI-based utilities are more likely to support NPU usage.
If the app does not support NPU, Windows will default to CPU or GPU processing.
Step 3: Enable Hardware Acceleration in the App
Many AI-enabled applications include a setting for hardware acceleration.
Open the app’s settings and look for options like:
- Enable hardware acceleration
- Use AI acceleration
- Enable neural processing
Turn these options on so the app can offload AI workloads to the NPU.
Without enabling this setting, the app may continue using the CPU even if an NPU is available.
Step 4: Update Windows 11 and AI Drivers
Keeping your system updated is essential for proper NPU utilization.
Go to Settings, then Windows Update, and install all available updates. Windows frequently improves AI workload scheduling and hardware support.
Next, update your chipset and AI drivers. Visit your device manufacturer’s website and download the latest drivers for your processor.
Updated drivers ensure better communication between the OS and the NPU, leading to improved performance.
Step 5: Set the App to High Performance Mode
Although you cannot directly assign NPU resources, you can prioritize the app, so Windows allocates more system resources overall.
Open Settings and go to System, then Display, then Graphics. Add your app if it is not already listed. Click on it and choose High Performance.
This ensures the app gets priority access to hardware acceleration, including the NPU when applicable.
Step 6: Close Background Applications
NPUs are shared resources, and heavy background activity can reduce the available processing power.
Open Task Manager and close unnecessary apps running in the background. Focus especially on apps that use AI features such as video enhancement tools or voice assistants.
Reducing system load allows Windows to allocate more NPU capacity to your primary application.
Step 7: Enable AI Features in Windows Settings
Windows 11 includes several built-in AI features, such as Windows Studio Effects and AI-powered enhancements.
Go to Settings, then Bluetooth and devices, and open Cameras or AI-related settings depending on your device.
Enable AI features like background blur, eye contact correction, or noise suppression. These features confirm that your NPU is active and working.
This also ensures the system is configured to utilize AI hardware effectively.
Step 8: Use Compatible AI Frameworks and Software
Advanced users and developers can influence NPU usage by selecting frameworks that support it.
Frameworks such as ONNX Runtime and DirectML automatically route AI workloads to the NPU when available.
If you are running custom AI applications, ensure they are built with NPU-compatible APIs. This is the most direct way to control how AI tasks are executed.
Step 9: Monitor NPU Usage in Task Manager
After configuring everything, you should verify whether your app is actually using the NPU.
Open Task Manager and go to the Performance tab. Select the NPU section and observe usage while the app is running.
If usage increases during AI tasks, it means the NPU is being utilized correctly.
If not, revisit previous steps and ensure compatibility and settings are properly configured.
Step 10: Optimize Power and Performance Settings
Power settings can affect how hardware resources are allocated.
Go to Settings, then System, then Power and Battery. Select Best Performance mode.
This ensures that the system does not limit hardware usage, allowing the NPU to operate at its full capacity when needed.
Faqs
Can I manually assign NPU resources like CPU cores?
No, Windows 11 does not currently allow manual allocation of NPU resources. It is handled automatically by the system.
Why is my app not using the NPU?
The app may not support NPU acceleration, or hardware acceleration might be disabled. Outdated drivers can also be a reason.
How do I know if my NPU is working?
You can check NPU activity in Task Manager under the Performance tab while running an AI-enabled app.
Does every Windows 11 PC have an NPU?
No, only newer AI-focused devices include NPUs. Older systems rely on a CPU or GPU for AI tasks.
Is NPU better than GPU for AI tasks?
NPUs are more power-efficient and optimized for AI, but GPUs are still more powerful for large-scale computations.