Hi guys, i will buy this tablet because i loved it but, i have a doubt, i have been searching in internet and i read that it has 8 cores (4 to 1.5GHZ and 4 to 2.0GHZ) so, it will work with all the cores? i mean, if for example, it is not in use will work with 4 cores to 1.5GHZ or it will work...