A4-4000 is a desktop processor from AMD released on 1 June 2013, and it is in cpu.details.production-unknown now. It belongs to A4 family and has a Richland architecture. This processor is built on AMD Socket FM2, and uses unknown PCI express connection. 32 nm process is used in production.
Processor has 2 cores and 2 threads, with the base frequency of 3 GHz. It has DDR3 Dual-channel memory support. As for the cache, it supports L1 128K (per core) and L2 1MB (per core).