AMD Athlon II X4 638: specs and benchmarks
AMD started AMD Athlon II X4 638 sales 6 February 2012. This is Llano architecture desktop processor primarily aimed at office systems. It has 4 cores and 4 threads, and is based on 32 nm manufacturing technology, with a maximum frequency of MHz and a locked multiplier.
Compatibility-wise, this is AMD Socket FM1 processor with a TDP of 65 Watt. It supports DDR3 Dual-channel memory.
It provides poor benchmark performance at 2.50 percent of a leader's which is AMD Ryzen Threadripper 3990X.