The MacBook Pro "Core i7" 2.8 15-Inch (Dual Graphics/Force Touch - Mid-2015 Retina Display) features a 22 nm "Haswell/Crystalwell" 2.8 GHz Intel "Core i7" processor (4980HQ), with four independent processor "cores" on a single silicon chip, a 6 MB shared level 3 cache, 16 GB of onboard 1600 MHz DDR3L SDRAM , 1 TB of PCIe-based flash storage, and dual graphics processors -- an AMD Radeon R9 M370X with 2 GB of dedicated GDDR5 memory 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 (2.04 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 10.10 "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 is compatible with the final version of macOS Mojave (10.14), macOS Catalina (10.15), and macOS Big Sur (macOS 11), as well. It additionally supports the final version of macOS Monterey (macOS 12), but it does not support Universal Control, AirPlay to Mac, or Low Power Mode in addition to the more minor Spatial Audio, Portrait Mode, 3D Landmarks, and Interactive Globe features. It does not support macOS Ventura (macOS 13) or later.