The MacBook Pro Late 2013 features a 22 nm Haswell/Crystalwell 2.3Ghz Intel Core i7 processor (4850HQ), with four independent processor cores on a single silicon chip. It also has an integrated 720p FaceTime HD webcam and a high-resolution LED-backlit 15.4" widescreen 2880x1800 (220 ppi) retina display in a case that weighs just less than 4.5 pounds (2.02 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.