The macbook pro "core i5" 13-inch (early 2015 retina display) features a 14 nm "broadwell" 2.7 ghz intel "core i5" processor (5257u), with dual independent processor "cores" on a single silicon chip, a 3 mb shared level 3 cache, 8gb of onboard 1866 mhz lpddr3 sdram , 256 gb of 4 lane pcie-based flash storage by default, and an integrated intel iris graphics 6100 graphics processor that shares memory with the system. it also has an integrated 720p facetime hd webcam, and a high-resolution led-backlit 13.3" widescreen 2560x1600 (227 ppi) "retina" display in a case that weighs just less than 3.5 pounds (1.58 kg). it does not have an internal optical drive. connectivity includes 802.11ac wi-fi, bluetooth 4.0, two usb 3.0 ports, two "thunderbolt 2" ports, an hdmi port, an audio in/out port, and an sdxc card slot.