The Pentium 4 is a line of microprocessors developed by Intel, introduced in 2000. It was designed for personal computers and featured a new architecture that improved performance over its predecessors. The Pentium 4 was notable for its higher clock speeds and the introduction of the NetBurst microarchitecture, which allowed for better processing capabilities. The Pentium 4 series included various models, with speeds ranging from 1.3 GHz to over 3.8 GHz. It supported technologies like Hyper-Threading, which enabled multiple threads to run simultaneously, enhancing multitasking. The processor was widely used in desktops and laptops until it was eventually succeeded by newer generations of Intel processors.