A family of 64-bit x86 CPUs with up to 18 cores from Intel. Introduced in 2017, the Core i9 became the top model in the Core "i" series. Also part of the Intel Core X-series brand, the first i9 CPU (7900x) is based on 14 nm process technology and the Skylake-X microarchitecture. It features four channels of DDR4 RAM and 44 lanes of PCI Express (compared with 28 in the i7). Designed for high-performance computing and gaming, the 3.3 GHz i9 chip can be overclocked to 4.5 GHz. See
Intel Core.