Quad core processor series intel core i7 package boxed socket socket 2011 number of processing cores 4 number of threads 8 clock frequency 37 ghz turbo boost max turbo frequency 39 ghz processor code name sandy bridge e tdp 130 watt stepping revision s1 stepping l2 cache 4 x 256 kb l2 cache 1 024 kb l3 cache 10 kb voltage 135 v manufacturing process 22 nm suitable for intel system package fclga2011 features mmx sse sse2 sse3 sse4