Xeon E7-4820 v3 is a server/workstation processor from Intel released on 1 June 2015, and it is in active production status now. It belongs to Xeon E7 family and has a Haswell-EX architecture. This processor is built on Intel Socket 1150, and uses Gen 3, 32 Lanes(CPU only) PCI express connection. 22 nm process is used in production.
Processor has 10 cores and 20 threads, with the base frequency of 1900 MHz. It has DDR3, DDR41866 MHz Dual-channel memory support. As for the cache, it supports L1 64K (per core), L2 256K (per core) and L3 25MB (shared).
