4th Generation Intel® Core™ processors are based on Intel® microarchitecture formerly known as Haswell, manufactured on 22 nm process technology with 3D tri-gate transistors. This platform provides excellent CPU, graphics, media performance, flexibility, and enhanced security over the 3rd generation Intel® Core™ processors, making it ideal for a broad range of intelligent systems. Intel Core i5-4xxx Lenovo ThinkPad NVI68MS, Intel® Core™ i5, 2.4 GHz, 15.6", 1366 x 768 pixels, 4 GB, 320 GB Lenovo ThinkPad NVI68MS. Processor family: Intel® Core™ i5, Processor model: i5-450M, Processor frequency: 2.4 GHz. Display diagonal: 15.6", Display resolution: 1366 x 768 pixels. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 320 GB, Optical drive type: DVD-RW. On-board graphics card model: Intel® HD Graphics. Operating system installed: Windows 7 Professional. Product color: Black. Weight: 3.53 lbs (1.6 kg)