Apple MacBook Pro 15.4-Inch Laptop with Retina Display Intel Core i7 2.8GHz, 512GB Flash Storage, 16GB DDR3 Memory, R9 M370X with 2GB Memory, Force Touch, 1 Year Apple Warranty (2015 Version) 2.8 GHz Quad-Core Intel Core i7 Processor (Turbo Boost up to 3.7 GHz, 6 MB shared L3 cache) 16 GB DDR3 RAM Memory, 512GB PCIe-based Flash Storage, Bluetooth, 802.11ac Wi-Fi 15.4-inch IPS Retina Display 2880-by-1800 resolution, Built-in battery (9 hours) Intel Iris Pro and AMD Radeon R9 M370X with 2GB GDDR5 memory, two Thunderbolt 2 ports, two USB 3 ports, an HDMI port, an SDXC card slot Force Touch trackpad for precise cursor control and pressure-sensing capabilities, 720p FaceTime HD camera, OS X Yosemite, 1 Year Apple Warranty