<b>Higher Performance When You Need It Most</b> Intel® Turbo Boost Technology 2.01 accelerates processor and graphics performance by increasing the operating frequency when operating below specification limits. The maximum frequency varies depending on workload, hardware, software, and overall system configuration. 2.0 Legacy Intel® Core™ Processor Intel Core i5-2xxx Acer Aspire Z3801, 21.5", Full HD, Intel® Core™ i5, 4 GB, 1 TB, Windows 7 Home Premium Acer Aspire Z3801. Display diagonal: 21.5", HD type: Full HD, Display resolution: 1920 x 1080 pixels, Touchscreen. Processor family: Intel® Core™ i5, Processor frequency: 2.5 GHz. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 1 TB, Storage media: HDD. On-board graphics card model: Intel® HD Graphics 2000. Built-in camera. Optical drive type: DVD±RW. Operating system installed: Windows 7 Home Premium. Product color: Silver