12 core processor upgrade series intel xeon twelve core number of processing cores 12 number of threads 24 clock frequency 22 ghz turbo boost max turbo frequency 29 ghz processor code name broadwell tdp 105 watt stepping revision m0 stepping l2 cache 12 x 256 kb l2 cache 3 072 kb l3 cache 30 kb manufacturing process 14 nm suitable for hewlett packard system features mmx sse sse2 sse3 sse4 sse41 sse42 ssse3 advanced vector extensions avx