The MacBook Pro "Core i7" 2.3 15-Inch (Integrated Graphics/Iris Only - Late 2013 Retina Display) features a 22 nm "Haswell/Crystalwell" 2.3 GHz Intel "Core i7" processor (4850HQ), with four independent processor "cores" on a single silicon chip, a 6 MB shared level 3 cache, 8 GB of onboard 1600 MHz DDR3L SDRAM (which could be upgraded to 16 GB at the time of purchase, but cannot be upgraded later), 256 GB of PCIe-based flash storage, and an integrated Intel Iris 5200 Pro graphics processor with 128 MB of "Crystalwell" embedded DRAM (and shared system memory). 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.
This system fully supports the final version of OS X 10.9 "Mavericks," OS X 10.10 "Yosemite," OS X 10.11 "El Capitan," macOS Sierra (10.12), and macOS High Sierra (10.13). Running macOS High Sierra (10.13) or later, it supports HEVC (High-Efficiency Video Coding), but it does not support hardware accelerated HEVC.
This model also is compatible with the final version of macOS Mojave (10.14), macOS Catalina (10.15), and macOS Big Sur (macOS 11), as well. It is not compatible with macOS Monterey (macOS 12) or subsequent versions of the macOS.