The Apple MacBook Air “Core i5” 1.3 13-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), 2.96 pound, aluminum case with an integrated 720p “FaceTime HD” webcam, a backlit full-size keyboard and an 13.3″ widescreen TFT LED backlit active-matrix “glossy” display (1440×900 native resolution). Connectivity includes 802.11ac Wi-Fi, Bluetooth 4.0, analog audio out, a “Thunderbolt” port, two USB 3.0 ports, and an SDXC-capable SD card slot

Up to 12 Hours of Battery Life, OS X Mavericks
1.3GHz dual-core Intel Core i5 processor , Turbo Boost up to 2.6GHz
13-Inch LED-backlit Display; 1440×900 Resolution; Intel HD Graphics 5000
802.11ac Wi-Fi

Engineered specifically to meet your computing needs, the Apple MacBook Air offers advanced features that will help you accelerate and optimize your productivity. Physically this laptop is light and versatile allowing you to bring your work where ever you go. Internally, this laptop is equipped with a powerful Intel Core i5 processor with a clock speed at 1.90 GHz GHz for exceptionally fast computing. In addition, this Apple is loaded with 4GB of RAM for multi-tasking efficiently and handling memory-intensive applications. This Laptop comes with a 128GB SSD hard drive which is more than enough space to store all of your precious documents, photos, and applications. Furthermore, this device comes pre-loaded with MAC OS X.

1.6 GHz dual-core Intel Core i5 (Turbo Boost up to 2.7 GHz) with 3 MB shared L3 cache
13.3-Inch (diagonal) LED-backlit Glossy Widescreen Display, 1440 x 900 resolution
Intel HD Graphics 6000
OS X Yosemite, Up to 12 Hours of Battery Life