CPU Comparison

Core i7-620UM vs Core i7-640UM

A side-by-side comparison of specs, performance and value. The Intel Core i7-620UM is an ultra-low voltage mobile processor launched in January 2010 as part of the Arrandale family. Designed for the thinnest and lightest laptops of its era, it operates on a stringent 18W TDP to maximize battery life. The processor features 2 cores and 4 threads, leveraging Hyper-Threading to improve multitasking efficiency. It runs at a conservative base clock of 1.067 GHz but can dynamically boost up to 2.133 GHz using Intel's Turbo Boost technology when demanding applications require it. Built on a 32nm process for the CPU and 45nm for the integrated graphics and memory controller, it housed 4 MB of Smart Cache. The integrated HD Graphics (Ironlake) provided basic display capabilities. While completely outclassed by modern ultra-portable chips, the 620UM was a vital stepping stone in the evolution of the ultrabook, bringing Core i7 branding and reasonable performance to sub-inch-thick laptops.