14 core processor series intel xeon fourteen core package boxed number of processing cores 14 number of threads 28 clock frequency 26 ghz turbo boost max turbo frequency 35 ghz processor code name broadwell tdp 135 watt stepping revision m0 stepping l2 cache 14 x 256 kb l2 cache 3 584 kb l3 cache 35 kb manufacturing process 14 nm suitable for intel system features mmx sse sse2 sse3 sse4 sse41 sse42 ssse3 advanced vector extensions av