DDR:

It means double rate of data transfer in Spanish. They are modules of RAM memory composed of synchronous memories (SDRAM), available in DIMM encapsulation, which allows the transfer of data through two different channels simultaneously in the same clock cycle.

Resultado de imagen para ddr

Core i7:


Finally, the Core i7 also have a series of microphones within the Lynnfield and that like all these, are coupled to the motherboard through the Socket 1156 and manufactured at 45nm. The best of the Core i7 is that in addition to having 4 cores, they carry the two leading Intel technologies, Turbo Boost and Hyperthreading. This makes that its processing speed is very high and that in its case.