The Apple MacBook Air “Core i5” 1.3 11-Inch (Mid-2013/Haswell) features a 22-nm “Haswell” 1.3 GHz Intel “Core i5” processor (4250U) with two independent processor “cores” on a single chip, a 3 MB shared level 3 cache, 4 GB of onboard 1600 MHz LPDDR3 SDRAM (which could be upgraded to 8 GB at the time of purchase, but cannot be upgraded later), 128 GB or 256 GB of PCIe-based flash storage, and an “integrated” Intel HD Graphics 5000 graphics processor that shares system memory. This all is packed in a razor thin (0.11-0.68 inch), 2.3 pound, aluminum case with an integrated 720p “FaceTime HD” webcam, a backlit full-size keyboard and an 11.6″ widescreen TFT LED backlit active-matrix “glossy” display (1366×768 native resolution). Connectivity includes 802.11ac Wi-Fi, Bluetooth 4.0, analog audio out, a “Thunderbolt” port, and two USB 3.0 ports
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11-Inch LED-backlit Display with build in 720p FaceTime HD Camera; 1366×768 Resolution; Intel HD Graphics 5000.
1.3 GHz Dual-Core (Haswell) 4th-Gen Intel Core i5 Processor (Turbo Boost up to 2.6 GHz)
128GB Flash Storage, 4GB of Onboard 1600MHz LPDDR3 RAM
802.11ac Wi-Fi, Bluetooth 4.0; Up to 9 Hours of Battery Life, OS X