This is commonly referred to as a bottleneck, and one of the most common items that can cause it is an underpowered CPU. The term bottleneck is derived from the physical object it references.

The CPU is the heart of your system. Identifying and addressing CPU bottlenecks can significantly enhance performance. Tools ...

often resulting in bottlenecks that need to be addressed to get the most out of your gaming PC. This is true for CPU-bound titles especially when the highest-end GPUs (such as Nvidia’s RTX 4090 ...

the CPU market researcher said. He noted that this slower ramp was the result of what Intel recently said was a bottleneck in its chip packaging capacity. When it came to revenue share for mobile ...