The MacBook Pro “Core i7” 2.8 15-Inch (Dual Graphics – Mid-2014 Retina Display) originally was offered as a “configure-to-order” configuration of the MacBook Pro “Core i7” 2.5 15-Inch (Dual Graphics – Mid-2014 Retina Display), but it later was sold as a standard configuration, as well. Other than the processor, these models are identical. The MacBook Pro “Core i7” 2.8 15-Inch (Dual Graphics – Mid-2014 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 (which cannot be upgraded later), 1 TB of flash storage, and dual graphics processors — a NVIDIA GeForce GT 750M 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 2880×1800 (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. In addition, this model has a backlit keyboard, a “no button” glass “inertial” multi-touch trackpad, a “MagSafe 2” power adapter, and an internal, sealed battery that provides an Apple estimated 8 hours of battery life.Compared to its predecessor, this model practically is identical, but it has a faster processor, some different identifiers, and a lower introductory price.
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MacBook Pro “Core i7″ 2.8GHz 15-Inch, 16GB 1600 MHz DDR3L SDRAM, 1TB Flash Storage Solid State Drive
NVIDIA GeForce GT 750M with 2 GB of dedicated GDDR5 memory, integrated Intel Iris 5200 Pro graphics processor
720p FaceTime HD webcam and a high-resolution LED-backlit 15.4” widescreen 2880×1800 (220 ppi) “Retina” display
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
