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 Legacy Intel® Core™ Processor Intel Core i5-xxx Lenovo ThinkPad X201, Intel® Core™ i5, 2.4 GHz, 30.7 cm (12.1"), 1280 x 800 pixels, 2 GB, 250 GB Lenovo ThinkPad X201. Processor family: Intel® Core™ i5, Processor model: i5-520M, Processor frequency: 2.4 GHz. Display diagonal: 30.7 cm (12.1"), Display resolution: 1280 x 800 pixels. Internal memory: 2 GB. Total storage capacity: 250 GB. On-board graphics card model: Intel® HD Graphics. Mobile network generation: 3G. Discrete graphics card model: Intel HD. Operating system installed: Windows 7 Professional. Product colour: Black. Weight: 1.47 kg https://www.expertreviews.co.uk/laptops/49886/lenovo-thinkpad-x201-review We weren't able to get our hands on the upcoming version of the Lenovo ThinkPad X201 (called the X201s) which has the new ultra-low-voltage Core i7 processor. However, as these run at very slow clock speeds, we think most people will be happier with th... Solid build quality and a comfortable keyboard are expected of a ThinkPad; the X201 adds desktop performance and a half-day of battery life...