I am sure you will understand after reading following advantages.
Newer technology. The LED technology is generally considered new.
Reduces energy bills. Replacing your business’s old lighting with LED will dramatically cut your energy consumption by up to 90 percent.
Cooler. LED requires...
I think, the number of cores is more important than the frequency of processor, for a six core at 4.1GHz or an 8 core at 3.6GHz, I will choose the 8 cores.