As of 2015, the world's fastest computer processor is from Intel, and it's the Core i7-5960X Extreme Edition. Since it's based on the Haswell microarchitecture, it's also known as the Haswell Extreme Edition processor.
In 2014, the eight-core chip was priced at about $1,000. The processor is mainly for gaming and high-performance desktops. For video processing, Intel claims editing 4K video is 20 percent faster, and 3-D rendering is 32 percent faster. Further, the company claims the processor's DDR4 memory provides 50 percent faster internal data transfers than its previous DDR3 memory, and the DDR4 support reduces energy consumption by up to 40 percent.