In notebooks, which other component might share a heat sink with the processor?

In notebooks, the graphics processor often shares a heat sink with the main processor. This is because both components can generate significant heat during operation. By utilizing a shared heat sink, the design improves thermal management, allowing heat to be efficiently dissipated from both the CPU and GPU. This setup helps maintain optimal operating temperatures, enhancing performance and reliability while minimizing the overall space required for cooling solutions within the compact notebook form factor.

In contrast, components like the battery and hard drive typically do not share heat sinks with the processor since they have different thermal characteristics and requirements. Similarly, the power supply is usually separate and designed to handle different electrical functions, not direct heat dissipation needs from the processor. Therefore, the graphics processor stands out as the component most likely to share a heat sink in the context of notebooks.