ENERGY STAR® is the government-backed symbol for energy efficiency, providing simple, credible, and unbiased information that consumers and businesses rely on to make well-informed decisions. ENERGY STAR is the simple choice for energy efficiency, making it easy for consumers and businesses to purchase products that save them money and protect the environment. ENERGY STAR <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 DIRECTIVE (EU) 2022/2380 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 23 November 2022 (Part III) y Lenovo ThinkPad X220, Intel® Core™ i5, 2.6 GHz, 31.8 cm (12.5"), 1366 x 768 Pixeles, 4 GB, 320 GB Lenovo ThinkPad X220. Familia de procesador: Intel® Core™ i5, Modelo del procesador: i5-2540M, Frecuencia del procesador: 2.6 GHz. Diagonal de la pantalla: 31.8 cm (12.5"), Resolución de la pantalla: 1366 x 768 Pixeles. Memoria interna: 4 GB, Tipo de memoria interna: DDR3-SDRAM. Capacidad total de almacenaje: 320 GB, Unidad de almacenamiento: Unidad de disco duro. Modelo de gráficos en tarjeta: Intel® HD Graphics 3000. Sistema operativo instalado: Windows 7 Professional. Color del producto: Negro. Peso: 1.3 kg