Amd amd athlon x4 860k socket fm2 4mb cache retail boxed processor amd athlon x4 860k specifications general information type cpu microprocessor market segment desktop family amd athlon x4 model number 860k frequency 3700 mhz turbo frequency 4000 mhz package 906 pin lidded micro pga package socket socket fm2 size 157 x 157 4cm x 4cm architecture microarchitecture microarchitecture steamroller processor core kaveri core stepping kv a1 cpuid 630f01