Difference between g6 and g7 in Highlander Flying Song Navigation

The difference between Highlander Flying Song Navigation g6 and g7 lies in the different processors. Relevant information shows that Highlander Feige Navigation g6 adopts dual-core processor and g7 adopts quad-core processor. They have different processors. Quad-core processor consists of two dual-core processors, so it is more powerful than dual-core processors in function.