HP EliteBook 820 TouchScreen. Loaded with Intel Core i7 4600U 2100 MHz processor, you’ll have plenty of computing power for work or play. For RAM, this computer comes packed in with 4GB , DDR3 SDRAM. In addition to the fast RAM, you’ll also have shorter access speeds with the included 500GB Harddisk drive. This portable computer also has plenty of screen real estate. The monitor on this unit is 12.5 inches, or 31.75 centimeters, in size. The screen also has an impressive 1366 x 768 resolution for its size. The keys are soft and responsive and colored a deep black while the chassis of the computer itself is comprised of a durable, gray-colored magnesium alloy.