What is an 'AI PC' and how is it different from a regular computer?

A New Chip, Not a Wholesale Redesign

An “AI PC” is a term used to describe a computer, typically a laptop or desktop, that includes a dedicated chip called a neural processing unit, or NPU, in addition to the standard CPU and GPU found in regular computers. The NPU is built specifically to handle certain types of AI computation, like running smaller machine learning models, more efficiently than a general-purpose CPU could, and often with better power efficiency than using a GPU for the same task.

Beyond the addition of this chip, an AI PC generally looks and functions like a regular computer. It runs the same operating systems, the same general software, and handles everyday computing tasks the same way. The distinction isn’t a complete redesign of how the computer works, it’s the presence of specialized hardware intended to support a particular category of AI-related tasks locally, on the device itself.

What the NPU Is Actually For

The purpose of an NPU is to let certain AI-related tasks run directly on the device rather than requiring a connection to a remote server. This can offer a few practical benefits: faster response times for AI features since there’s no network delay involved, the ability to use certain AI features without an internet connection, and often better battery efficiency compared to running similar computations on a general-purpose CPU or GPU, since NPUs are specifically optimized for this kind of work.

Software developers have to specifically design their applications to take advantage of an NPU’s capabilities; it isn’t something that automatically speeds up every kind of computing task or every AI application by default. This means the practical benefit you experience from having an NPU depends heavily on whether the specific software you use is built to use it.

Why Many Everyday AI Uses Won’t Feel Different

For a large share of how people currently use AI tools, like chatting with a popular AI assistant through a web browser or generating images through an online tool, the actual AI computation happens on remote cloud servers rather than locally on the device. In these cases, having an NPU in your computer doesn’t change your experience, since that hardware isn’t involved in processing a cloud-based request. This is an important distinction to keep in mind given how heavily “AI PC” branding is marketed, since the benefit is real but specific to on-device AI features rather than a general upgrade to all AI-related activities.

Bottom Line

An AI PC is a regular computer with an added NPU chip specifically built to accelerate certain AI computations directly on the device, enabling faster or offline on-device AI features. For popular cloud-based AI tools that most people currently use, however, a regular computer without this specialized hardware works just as well, since the heavy computation happens remotely either way.

Go deeper

• What Does ‘On-Device AI’ Mean, and Why Does It Matter?
• Are On-Device AI Models as Capable as Cloud-Based Ones?
• What Are the Hardware Requirements for Running AI Models On-Device?