Для чего нужны AMD Opteron и Intel Xeon?

The ideal balance of price and performance Run your IT infrastructure, web, cloud and collaboration workloads on a platform built on an ideal balance of enterprise-proven performance and smart business. AMD Opteron logo​ Enable low TCO AMD Opteron 6000 series processors can help IT organizations achieve a low total cost of ownership (TCO). By combining high core counts with large memory footprints, the needs of many IT workloads can be met while helping reduce CapEx and OpEx costs. Simply put, AMD Opteron 6000 series give you good enough compute to get the job done at an outstanding price.Designed for virtualization The success of a virtualization project can be measured by TCO savings. With servers powered by AMD Opteron 6000 series processors, high core counts and large memory footprints combined with low acquisition costs can help IT organizations achieve their goals. Right-sized infrastructure AMD Opteron 6000 series processors are the ideal platform for your infrastructure needs. From file and print and line of business (LoB) applications to email, the servers that make up your back office require the right amount of compute balanced with the right amount of memory, at a great value. Servers powered by Opteron 6000 series processors can provide that ideal balance.

Есть и четырёхядерные.

Для серверов.

смотря какие зионы, есть как обычные i5/7 только без видеоядра

Для вычислений. В играх себя ведут великолепно.

Из них делают суперкомпьютеры