Quad core processor series intel core i7 package boxed socket socket 1150 number of processing cores 4 number of threads 8 clock frequency 31 ghz turbo boost max turbo frequency 39 ghz processor code name haswell tdp 65 watt integrated graphics graphics chipset intel hd 4600 gpu frequency 350 mhz stepping revision c0 stepping l2 cache 4 x 256 kb l2 cache 1 024 kb l3 cache 8 kb manufacturing process 22 nm suitable for intel system pack