Quad core processor series intel core i5 intel x series package boxed number of processing cores 4 number of threads 4 clock frequency 4 ghz turbo boost max turbo frequency 42 ghz processor code name kaby lake x tdp 112 watt stepping revision b0 stepping l2 cache 4 x 256 kb l2 cache 1 024 kb l3 cache 6 kb manufacturing process 14 nm package fclga2066 features mmx sse sse2 sse3 ssse3 sse41 sse42 advanced vector extensions avx advance