Description
Intel Core i7 : The Intel Core i7 for laptops is based on the LG1156 Core i5/i7 CPU for desktops. The base clock speed of the CPUs is relatively low, but because of a huge Turbo mode, the cores can dynamically overclock to up to 3.2 GHz (920XM). Therefore, the CPU can be as fast as high clocked dual-core CPUs (using single threaded applications) but still offer the advantage of 4 cores. Because of the large TDP of 45 W / 55 W, the CPU is only intended for large laptops. 740QM : The Core i7-740QM is a high-end quad-core CPU for laptops (in 2010) with a relative small base clock rate and a high Turbo Boost max frequency of 2.93 GHz (for one core). Therefore, it combines the advantages of a slow clocked quad core CPU with a fast single core one. Compared to the faster Core i7 mobile CPUs, the 740QM only features 6MB L3 Cache.